MPEP § 2133.02 — Rejections Based on Publications and Patents (Annotated Rules)

§2133.02 Rejections Based on Publications and Patents

USPTO MPEP version: BlueIron's Update: 2026-01-17

This page consolidates and annotates all enforceable requirements under MPEP § 2133.02, 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.

Rejections Based on Publications and Patents

This section addresses Rejections Based on Publications and Patents. Primary authority: 35 U.S.C. 100, 35 U.S.C. 102(a), and 35 U.S.C. 102. Contains: 1 requirement, 1 prohibition, and 5 other statements.

Key Rules

Topic

Printed Publication (MPEP 2152.02(b))

4 rules
StatutoryInformativeAlways
[mpep-2133-02-1288dff46152bbe499a833e2]
Invention Described in Printed Publication Is Prior Art
Note:
An invention described in a printed publication more than one year before the patent application date is considered prior art, even if authored by the applicant.

“Any invention described in a printed publication more than one year prior to the date of a patent application is prior art under Section 102(b), even if the printed publication was authored by the patent applicant.” De Graffenried v. United States, 16 USPQ2d 1321, 1330 n.7 (Cl. Ct. 1990). “Once an inventor has decided to lift the veil of secrecy from his [or her] work, he [or she] must choose between the protection of a federal patent, or the dedication of his [or her] idea to the public at large.” Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141, 148, 9 USPQ2d 1847, 1851 (1989).

Jump to MPEP SourcePrinted Publication (MPEP 2152.02(b))Prior Art Under 102(a)(1) (MPEP 2152.02)Novelty / Prior Art
StatutoryInformativeAlways
[mpep-2133-02-9e8ebc68c1d9059b46e11368]
Invention Described in Printed Publication Is Prior Art
Note:
An invention described in a printed publication more than one year before the patent application date is considered prior art.

“Any invention described in a printed publication more than one year prior to the date of a patent application is prior art under Section 102(b), even if the printed publication was authored by the patent applicant.” De Graffenried v. United States, 16 USPQ2d 1321, 1330 n.7 (Cl. Ct. 1990). “Once an inventor has decided to lift the veil of secrecy from his [or her] work, he [or she] must choose between the protection of a federal patent, or the dedication of his [or her] idea to the public at large.” Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141, 148, 9 USPQ2d 1847, 1851 (1989).

Jump to MPEP SourcePrinted Publication (MPEP 2152.02(b))Prior Art Under 102(a)(1) (MPEP 2152.02)Novelty / Prior Art
StatutoryRequiredAlways
[mpep-2133-02-006076adcd4e88417780e555]
Inventor Must Choose Patent Protection or Public Disclosure
Note:
Once an inventor decides to disclose their invention, they must either seek federal patent protection or dedicate the idea to public use.

“Any invention described in a printed publication more than one year prior to the date of a patent application is prior art under Section 102(b), even if the printed publication was authored by the patent applicant.” De Graffenried v. United States, 16 USPQ2d 1321, 1330 n.7 (Cl. Ct. 1990). “Once an inventor has decided to lift the veil of secrecy from his [or her] work, he [or she] must choose between the protection of a federal patent, or the dedication of his [or her] idea to the public at large.” Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141, 148, 9 USPQ2d 1847, 1851 (1989).

Jump to MPEP SourcePrinted Publication (MPEP 2152.02(b))Prior Art Under 102(a)(1) (MPEP 2152.02)Novelty / Prior Art
StatutoryInformativeAlways
[mpep-2133-02-53f6eafa7b65a0ffdd5daab9]
Published Invention Described as Prior Art
Note:
An invention described in a printed publication more than one year before a patent application is considered prior art.

“Any invention described in a printed publication more than one year prior to the date of a patent application is prior art under Section 102(b), even if the printed publication was authored by the patent applicant.” De Graffenried v. United States, 16 USPQ2d 1321, 1330 n.7 (Cl. Ct. 1990). “Once an inventor has decided to lift the veil of secrecy from his [or her] work, he [or she] must choose between the protection of a federal patent, or the dedication of his [or her] idea to the public at large.” Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141, 148, 9 USPQ2d 1847, 1851 (1989).

Jump to MPEP SourcePrinted Publication (MPEP 2152.02(b))Prior Art Under 102(a)(1) (MPEP 2152.02)Novelty / Prior Art
Topic

Statutory Authority for Examination

1 rules
StatutoryInformativeAlways
[mpep-2133-02-9a843b20e561e1294c242c48]
Rejections Not Applicable Under FITF Provisions
Note:
This rule does not apply to applications subject to the first inventor to file (FITF) provisions of the AIA, as determined by MPEP sections 2159 et seq. and examined under MPEP sections 2150 et seq.

[Editor Note: This MPEP section is not applicable to applications subject to examination under the first inventor to file (FITF) provisions of the AIA as set forth in 35 U.S.C. 100 (note). See MPEP § 2159 et seq. to determine whether an application is subject to examination under the FITF provisions, and MPEP § 2150 et seq. for examination of applications subject to those provisions. See MPEP § 2152 et seq. for a detailed discussion of AIA 35 U.S.C. 102(a) and (b).]

Jump to MPEP SourceStatutory Authority for ExaminationExamination ProceduresFirst Inventor to File (FITF) System
Topic

Antedating Reference – Pre-AIA (MPEP 2136.05)

1 rules
StatutoryProhibitedAlways
[mpep-2133-02-6f65efa721cfa829ee6fce94]
Claims Cannot Be Overcome by Declarations or Priority Dates
Note:
Pre-AIA claims rejected as anticipated cannot be overcome by affidavits, declarations, foreign priority dates, or evidence of applicant's invention.

A rejection under pre-AIA 35 U.S.C. 102(b) cannot be overcome by affidavits and declarations under 37 CFR 1.131 (Rule 131 Declarations), foreign priority dates, or evidence that applicant himself invented the subject matter. Outside the 1-year grace period, applicant is barred from obtaining a patent containing any anticipated or obvious claims. In re Foster, 343 F.2d 980, 984, 145 USPQ 166, 170 (CCPA 1965).

Jump to MPEP Source · 37 CFR 1.131Antedating Reference – Pre-AIA (MPEP 2136.05)Assignee as Applicant SignatureApplicant and Assignee Filing Under AIA
Topic

Assignee as Applicant Signature

1 rules
StatutoryInformativeAlways
[mpep-2133-02-5f492872025f1a790e113fa5]
Bar on Anticipated or Obvious Claims After Grace Period
Note:
Applicant is barred from obtaining a patent containing any anticipated or obvious claims outside the 1-year grace period.

A rejection under pre-AIA 35 U.S.C. 102(b) cannot be overcome by affidavits and declarations under 37 CFR 1.131 (Rule 131 Declarations), foreign priority dates, or evidence that applicant himself invented the subject matter. Outside the 1-year grace period, applicant is barred from obtaining a patent containing any anticipated or obvious claims. In re Foster, 343 F.2d 980, 984, 145 USPQ 166, 170 (CCPA 1965).

Jump to MPEP Source · 37 CFR 1.131Assignee as Applicant SignatureApplicant and Assignee Filing Under AIAAntedating Reference – Pre-AIA (MPEP 2136.05)

Citations

Primary topicCitation
Statutory Authority for Examination35 U.S.C. § 100
Statutory Authority for Examination35 U.S.C. § 102(a)
Antedating Reference – Pre-AIA (MPEP 2136.05)
Assignee as Applicant Signature
35 U.S.C. § 102(b)
Antedating Reference – Pre-AIA (MPEP 2136.05)
Assignee as Applicant Signature
37 CFR § 1.131
Statutory Authority for ExaminationMPEP § 2150
Statutory Authority for ExaminationMPEP § 2152
Statutory Authority for ExaminationMPEP § 2159
Printed Publication (MPEP 2152.02(b))Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141, 148, 9 USPQ2d 1847, 1851 (1989)
Antedating Reference – Pre-AIA (MPEP 2136.05)
Assignee as Applicant Signature
In re Foster, 343 F.2d 980, 984, 145 USPQ 166, 170 (CCPA 1965)

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: 2026-01-17