MPEP § 716.01(d) — Weighing Objective Evidence (Annotated Rules)

§716.01(d) Weighing Objective Evidence

USPTO MPEP version: BlueIron's Update: 2025-12-31

This page consolidates and annotates all enforceable requirements under MPEP § 716.01(d), including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Weighing Objective Evidence

This section addresses Weighing Objective Evidence. Contains: 3 requirements, 4 guidance statements, 1 permission, and 6 other statements.

Key Rules

Topic

Establishing Prima Facie Case

9 rules
MPEP GuidanceRequiredAlways
[mpep-716-01-d-7d290ba81a302ee4feab9a11]
Examiner Must Reconsider Patentability After Timely Evidence Submission
Note:
When an applicant timely submits evidence traversing a rejection, the examiner must reassess the patentability of the claimed invention based on all available evidence and arguments.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CaseCommercial Success
MPEP GuidanceRequiredAlways
[mpep-716-01-d-e1d679a931688e5e2752e86a]
Ultimate Patentability Determination Based on Entire Record
Note:
The ultimate determination of patentability must consider the entire record, including all evidence and arguments, to make a preponderance-based decision.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CaseCommercial Success
MPEP GuidanceRequiredAlways
[mpep-716-01-d-c8a0982e4184c3650a69a699]
Rebuttal Evidence Must Be Evaluated Along With Prima Facie Case
Note:
When evaluating patentability, all rebuttal evidence should be considered alongside the original prima facie case without attempting to disprove it.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CasePrima Facie Case of Obviousness
MPEP GuidanceInformativeAlways
[mpep-716-01-d-418a9a2a0d527d3d6e3a14d0]
Rebuttal Evidence Must Be Weighed Against Prima Facie Case
Note:
When an applicant submits rebuttal evidence, it must be considered along with the evidence supporting the prima facie case of obviousness.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CaseCommercial Success
MPEP GuidanceRecommendedAlways
[mpep-716-01-d-aa482e7ce9b24f8d5ad9b0f3]
Rebuttal Evidence Should Not Knockdown Prima Facie Case
Note:
Each piece of rebuttal evidence must be weighed alongside the prima facie case rather than against it.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CasePrima Facie Case of Obviousness
MPEP GuidanceRecommendedAlways
[mpep-716-01-d-aa63b66d93dc941288668883]
Rebuttal Evidence Must Be Considered Holistically Against Prima Facie Case
Note:
All competent rebuttal evidence should be weighed collectively against the supporting evidence of the prima facie case in determining patentability.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CasePrima Facie Case of Obviousness
MPEP GuidancePermittedAlways
[mpep-716-01-d-19872709e543bc13cadf5460]
Objective Evidence Must Be Weighed Against Obviousness
Note:
The record's objective evidence of nonobviousness must be weighed against the evidence of obviousness to determine patentability.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseSecondary Considerations of NonobviousnessObviousness
MPEP GuidanceInformativeAlways
[mpep-716-01-d-d287e3cc4fc8c348858c0842]
Rebuttal Evidence Weighed Against Prima Facie Case
Note:
When rebuttal evidence is submitted, it must be weighed against the evidence supporting the prima facie case of obviousness, not against the conclusion itself.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CaseCommercial Success
MPEP GuidanceInformativeAlways
[mpep-716-01-d-d9a7784580e968d68ebf1f23]
Rebuttal Evidence Weighed Against Prima Facie Case
Note:
All rebuttal evidence must be considered alongside the examiner’s prima facie case of obviousness without attempting to disprove it outright.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceEstablishing Prima Facie CaseRebutting Prima Facie CasePrima Facie Case of Obviousness
Topic

Traversing 35 U.S.C. 103 Rejections

4 rules
MPEP GuidanceInformativeAlways
[mpep-716-01-d-71b4a05a59b9f1880bca1196]
Examiner Must Identify Non-Patentability Reasons
Note:
The examiner must include a statement in the next Office action if they are not convinced of patentability and identify specific reasons for this conclusion.

If, after evaluating the evidence, the examiner is still not convinced that the claimed invention is patentable, the next Office action should include a statement to that effect and identify the reason(s) (e.g., evidence of commercial success not convincing, the commercial success not related to the technology, etc.). See Demaco Corp. v. F. Von Langsdorff Licensing Ltd., 851 F.2d 1387, 7 USPQ2d 1222 (Fed. Cir.), cert. denied, 488 U.S. 956 (1988). See also MPEP § 716.01. Any conclusion of whether the evidence of obviousness outweighs the objective evidence, along with any individual weights assigned to different objective indicia, should be explained. Volvo Penta of the Americas, LLC v. Brunswick Corp., 81 F.4th 1202, 1215, 2023 USPQ2d 1000 (Fed. Cir. 2023) (The court found the assignment of weight to different considerations was overly vague and ambiguous because, despite evidence of copying, commercial success, and industry praise, the Board assigned all of these factors only “some weight,” “did not explain why it gave these three factors the same weight, or even whether or not that constituted precisely the same weight,” and regarding the weight of all six factors “[did] not discuss the summation of the factors at all other than to say, without explanation, that they collectively ‘weigh[] somewhat in favor of nonobviousness’”). See MPEP § 2145 for guidance in determining whether rebuttal evidence is sufficient to overcome a prima facie case of obviousness.

Jump to MPEP SourceTraversing 35 U.S.C. 103 RejectionsResponding to RejectionsEstablishing Prima Facie Case
MPEP GuidanceRecommendedAlways
[mpep-716-01-d-11f4a91cf86d01d335c589af]
Explain Evidence of Obviousness and Weights
Note:
The rule requires explaining any conclusion that evidence of obviousness outweighs objective evidence, including the individual weights assigned to different indicia.

If, after evaluating the evidence, the examiner is still not convinced that the claimed invention is patentable, the next Office action should include a statement to that effect and identify the reason(s) (e.g., evidence of commercial success not convincing, the commercial success not related to the technology, etc.). See Demaco Corp. v. F. Von Langsdorff Licensing Ltd., 851 F.2d 1387, 7 USPQ2d 1222 (Fed. Cir.), cert. denied, 488 U.S. 956 (1988). See also MPEP § 716.01. Any conclusion of whether the evidence of obviousness outweighs the objective evidence, along with any individual weights assigned to different objective indicia, should be explained. Volvo Penta of the Americas, LLC v. Brunswick Corp., 81 F.4th 1202, 1215, 2023 USPQ2d 1000 (Fed. Cir. 2023) (The court found the assignment of weight to different considerations was overly vague and ambiguous because, despite evidence of copying, commercial success, and industry praise, the Board assigned all of these factors only “some weight,” “did not explain why it gave these three factors the same weight, or even whether or not that constituted precisely the same weight,” and regarding the weight of all six factors “[did] not discuss the summation of the factors at all other than to say, without explanation, that they collectively ‘weigh[] somewhat in favor of nonobviousness’”). See MPEP § 2145 for guidance in determining whether rebuttal evidence is sufficient to overcome a prima facie case of obviousness.

Jump to MPEP SourceTraversing 35 U.S.C. 103 RejectionsSecondary Considerations of NonobviousnessObviousness
MPEP GuidanceInformativeAlways
[mpep-716-01-d-50289c8dd7e089fb7c55cf38]
Weighing Objective Indications of Nonobviousness
Note:
The rule requires that when evaluating evidence against a prima facie case of obviousness, the examiner must clearly assign weights to different objective indicia and explain any summation or overall conclusion regarding nonobviousness.

If, after evaluating the evidence, the examiner is still not convinced that the claimed invention is patentable, the next Office action should include a statement to that effect and identify the reason(s) (e.g., evidence of commercial success not convincing, the commercial success not related to the technology, etc.). See Demaco Corp. v. F. Von Langsdorff Licensing Ltd., 851 F.2d 1387, 7 USPQ2d 1222 (Fed. Cir.), cert. denied, 488 U.S. 956 (1988). See also MPEP § 716.01. Any conclusion of whether the evidence of obviousness outweighs the objective evidence, along with any individual weights assigned to different objective indicia, should be explained. Volvo Penta of the Americas, LLC v. Brunswick Corp., 81 F.4th 1202, 1215, 2023 USPQ2d 1000 (Fed. Cir. 2023) (The court found the assignment of weight to different considerations was overly vague and ambiguous because, despite evidence of copying, commercial success, and industry praise, the Board assigned all of these factors only “some weight,” “did not explain why it gave these three factors the same weight, or even whether or not that constituted precisely the same weight,” and regarding the weight of all six factors “[did] not discuss the summation of the factors at all other than to say, without explanation, that they collectively ‘weigh[] somewhat in favor of nonobviousness’”). See MPEP § 2145 for guidance in determining whether rebuttal evidence is sufficient to overcome a prima facie case of obviousness.

Jump to MPEP SourceTraversing 35 U.S.C. 103 RejectionsResponding to RejectionsEstablishing Prima Facie Case
MPEP GuidanceInformativeAlways
[mpep-716-01-d-aeaacfc4f3067213fb835e6d]
Objective Evidence Weights Must Be Clearly Explained
Note:
The court found that assigning equal weight to evidence of copying, commercial success, and industry praise without explanation is insufficient. The weights must be clearly justified.

If, after evaluating the evidence, the examiner is still not convinced that the claimed invention is patentable, the next Office action should include a statement to that effect and identify the reason(s) (e.g., evidence of commercial success not convincing, the commercial success not related to the technology, etc.). See Demaco Corp. v. F. Von Langsdorff Licensing Ltd., 851 F.2d 1387, 7 USPQ2d 1222 (Fed. Cir.), cert. denied, 488 U.S. 956 (1988). See also MPEP § 716.01. Any conclusion of whether the evidence of obviousness outweighs the objective evidence, along with any individual weights assigned to different objective indicia, should be explained. Volvo Penta of the Americas, LLC v. Brunswick Corp., 81 F.4th 1202, 1215, 2023 USPQ2d 1000 (Fed. Cir. 2023) (The court found the assignment of weight to different considerations was overly vague and ambiguous because, despite evidence of copying, commercial success, and industry praise, the Board assigned all of these factors only “some weight,” “did not explain why it gave these three factors the same weight, or even whether or not that constituted precisely the same weight,” and regarding the weight of all six factors “[did] not discuss the summation of the factors at all other than to say, without explanation, that they collectively ‘weigh[] somewhat in favor of nonobviousness’”). See MPEP § 2145 for guidance in determining whether rebuttal evidence is sufficient to overcome a prima facie case of obviousness.

Jump to MPEP SourceTraversing 35 U.S.C. 103 RejectionsResponding to RejectionsEstablishing Prima Facie Case
Topic

Secondary Considerations of Nonobviousness

1 rules
MPEP GuidanceInformativeAlways
[mpep-716-01-d-d96840e53600e967add9664c]
Objective Evidence Does Not Mandate Patentability
Note:
The submission of objective evidence does not automatically lead to a conclusion of patentability; it must be weighed against the entire record and other evidence.

When an applicant timely submits evidence traversing a rejection, the examiner must reconsider the patentability of the claimed invention. The ultimate determination of patentability must be based on consideration of the entire record, by a preponderance of evidence, with due consideration to the persuasiveness of any arguments and any secondary evidence. In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992). The submission of objective evidence of patentability does not mandate a conclusion of patentability in and of itself. In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987). Facts established by rebuttal evidence must be evaluated along with the facts on which the conclusion of a prima facie case was reached, not against the conclusion itself. In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990). In other words, each piece of rebuttal evidence should not be evaluated for its ability to knockdown the prima facie case. All of the competent rebuttal evidence taken as a whole should be weighed against the evidence supporting the prima facie case. In re Piasecki, 745 F.2d 1468, 1472, 223 USPQ 785, 788 (Fed. Cir. 1984). Although the record may establish evidence of secondary considerations which are indicia of nonobviousness, the record may also establish such a strong case of obviousness that the objective evidence of nonobviousness is not sufficient to outweigh the evidence of obviousness. Newell Cos. v. Kenney Mfg. Co., 864 F.2d 757, 769, 9 USPQ2d 1417, 1427 (Fed. Cir. 1988), cert. denied, 493 U.S. 814 (1989); Richardson-Vicks, Inc., v. The Upjohn Co., 122 F.3d 1476, 1484, 44 USPQ2d 1181, 1187 (Fed. Cir. 1997) (showing of unexpected results and commercial success of claimed ibuprofen and pseudoephedrine combination in single tablet form, while supported by substantial evidence, held not to overcome strong prima facie case of obviousness). See In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984) for a detailed discussion of the proper roles of the examiner’s prima facie case and applicant’s rebuttal evidence in the final determination of obviousness.

Jump to MPEP SourceSecondary Considerations of NonobviousnessEstablishing Prima Facie CaseRebutting Prima Facie Case
Topic

Commercial Success

1 rules
MPEP GuidanceRecommendedAlways
[mpep-716-01-d-fdbdeaf6f7f44e626b9437fa]
Next Office Action Must Include Unconvincing Reason
Note:
The next Office action must include a statement that the examiner is not convinced of patentability and identify specific reasons, such as unconvincing evidence of commercial success.

If, after evaluating the evidence, the examiner is still not convinced that the claimed invention is patentable, the next Office action should include a statement to that effect and identify the reason(s) (e.g., evidence of commercial success not convincing, the commercial success not related to the technology, etc.). See Demaco Corp. v. F. Von Langsdorff Licensing Ltd., 851 F.2d 1387, 7 USPQ2d 1222 (Fed. Cir.), cert. denied, 488 U.S. 956 (1988). See also MPEP § 716.01. Any conclusion of whether the evidence of obviousness outweighs the objective evidence, along with any individual weights assigned to different objective indicia, should be explained. Volvo Penta of the Americas, LLC v. Brunswick Corp., 81 F.4th 1202, 1215, 2023 USPQ2d 1000 (Fed. Cir. 2023) (The court found the assignment of weight to different considerations was overly vague and ambiguous because, despite evidence of copying, commercial success, and industry praise, the Board assigned all of these factors only “some weight,” “did not explain why it gave these three factors the same weight, or even whether or not that constituted precisely the same weight,” and regarding the weight of all six factors “[did] not discuss the summation of the factors at all other than to say, without explanation, that they collectively ‘weigh[] somewhat in favor of nonobviousness’”). See MPEP § 2145 for guidance in determining whether rebuttal evidence is sufficient to overcome a prima facie case of obviousness.

Jump to MPEP SourceCommercial SuccessOffice Actions and ResponsesSecondary Considerations of Nonobviousness

Citations

Primary topicCitation
Commercial Success
Traversing 35 U.S.C. 103 Rejections
MPEP § 2145
Commercial Success
Traversing 35 U.S.C. 103 Rejections
MPEP § 716.01
Establishing Prima Facie Case
Secondary Considerations of Nonobviousness
In re Chupp, 816 F.2d 643, 2 USPQ2d 1437 (Fed. Cir. 1987)
Establishing Prima Facie Case
Secondary Considerations of Nonobviousness
In re Eli Lilly, 902 F.2d 943, 14 USPQ2d 1741 (Fed. Cir. 1990)
Establishing Prima Facie Case
Secondary Considerations of Nonobviousness
In re Oetiker, 977 F.2d 1443, 24 USPQ2d 1443 (Fed. Cir. 1992)
Establishing Prima Facie Case
Secondary Considerations of Nonobviousness
In re Piasecki, 745 F.2d 1468, 223 USPQ 785 (Fed. Cir. 1984)

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2025-12-31