MPEP § 2014 — Duty of Disclosure in Reexamination Proceedings and Supplemental Examination (Annotated Rules)

§2014 Duty of Disclosure in Reexamination Proceedings and Supplemental Examination

USPTO MPEP version: BlueIron's Update: 2026-01-10

This page consolidates and annotates all enforceable requirements under MPEP § 2014, 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.

Duty of Disclosure in Reexamination Proceedings and Supplemental Examination

This section addresses Duty of Disclosure in Reexamination Proceedings and Supplemental Examination. Primary authority: 35 U.S.C. 2686, 35 U.S.C. 257, and 35 U.S.C. 257(e). Contains: 1 permission and 7 other statements.

Key Rules

Topic

Scope of Duty

3 rules
StatutoryInformativeAlways
[mpep-2014-5e9c4e8eb5478c4efa3517da]
All Material Information Must Be Disclosed During Reexamination
Note:
During a reexamination, all individuals involved must disclose information known to be material to patentability. This ensures the Office evaluates all relevant teachings.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Scope of DutyMaterial Information DefinitionMateriality Standard
StatutoryInformativeAlways
[mpep-2014-ec3d4f9f7b751ecfd23bb7b7]
Duty to Disclose Material Information in Reexamination
Note:
Patent owners must disclose all material information known to them, as cited by the Office or submitted via an information disclosure statement. Failure due to fraud or bad faith violates this duty.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Scope of DutyMaterial Information DefinitionIDS Fees and Certification
StatutoryPermittedAlways
[mpep-2014-fde05bfcf094b2ecdb270e36]
Patent Owner Must Disclose Material Information During Supplemental Examination and Reexamination
Note:
The patent owner and associated individuals must disclose information material to patentability during supplemental examination and any ex parte reexamination, and the Office will continue the proceeding if fraud is suspected.

In supplemental examination, the duty of disclosure applies to the patent owner and individuals associated with the patent owner as defined in 37 CFR 1.555. However, as provided by 37 CFR 1.625(d)(4), information material to patentability is defined by 37 CFR 1.56 in supplemental examination and any ex parte reexamination proceeding ordered under 35 U.S.C. 257. Furthermore, 37 CFR 1.620(g) provides that, if the Office becomes aware, during the course of a supplemental examination or of any ex parte reexamination ordered under 35 U.S.C. 257 as a result of the supplemental examination proceeding, that a material fraud on the Office may have been committed in connection with the patent requested to be examined, the supplemental examination proceeding or any ex parte reexamination proceeding ordered under 35 U.S.C. 257 will continue. The matter will be referred to the U.S. Attorney General in accordance with 35 U.S.C. 257(e).

Jump to MPEP Source · 37 CFR 1.555Scope of DutyMaterial Information DefinitionDuty of Disclosure Fundamentals
Topic

Individuals Under Duty

3 rules
StatutoryInformativeAlways
[mpep-2014-a56f4927f757c40f55705dd0]
Patent Owner Must Disclose Material Information
Note:
The patent owner and their representatives must disclose all information known to be material to patentability in a reexamination proceeding.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Individuals Under DutyScope of DutyMaterial Information Definition
StatutoryInformativeAlways
[mpep-2014-c61c9f577328599e23fe8c69]
Patent Owner and Representatives Must Disclose Material Information
Note:
The patent owner, their representatives, and other involved individuals must disclose all material information to the Office during reexamination proceedings.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Individuals Under DutyScope of DutyMaterial Information Definition
StatutoryInformativeAlways
[mpep-2014-538f6694bc17d4fa9c2866ef]
Matter Referred to U.S. Attorney General
Note:
If material fraud on the Office is suspected during a supplemental examination, the matter will be referred to the U.S. Attorney General.

In supplemental examination, the duty of disclosure applies to the patent owner and individuals associated with the patent owner as defined in 37 CFR 1.555. However, as provided by 37 CFR 1.625(d)(4), information material to patentability is defined by 37 CFR 1.56 in supplemental examination and any ex parte reexamination proceeding ordered under 35 U.S.C. 257. Furthermore, 37 CFR 1.620(g) provides that, if the Office becomes aware, during the course of a supplemental examination or of any ex parte reexamination ordered under 35 U.S.C. 257 as a result of the supplemental examination proceeding, that a material fraud on the Office may have been committed in connection with the patent requested to be examined, the supplemental examination proceeding or any ex parte reexamination proceeding ordered under 35 U.S.C. 257 will continue. The matter will be referred to the U.S. Attorney General in accordance with 35 U.S.C. 257(e).

Jump to MPEP Source · 37 CFR 1.555Individuals Under DutyDisclosure via Supplemental ExaminationSupplemental Examination
Topic

Material Information Definition

2 rules
StatutoryInformativeAlways
[mpep-2014-2b155bbf54d6ec6b7ab6527e]
Material Information for Cancelled Claims Not Required
Note:
Patentability information for cancelled claims does not need to be disclosed if it is not relevant to remaining claims in reexamination proceedings.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Material Information DefinitionMateriality StandardEx Parte Reexamination
StatutoryInformativeAlways
[mpep-2014-541000e3b2b7aa93c28517da]
Continuing Disclosure Requirement During Reexamination
Note:
Patent owner and associated individuals must continuously disclose material information throughout reexamination proceedings, and any fraud or bad faith violations result in noncompliance.

As provided in 37 CFR 1.555, the duty of disclosure in reexamination proceedings applies to the patent owner and individuals associated with the patent owner. That duty is a continuing obligation on the part of the patent owner throughout the proceedings. Any fraud practiced or attempted on the Office or any violation of the duty of disclosure through bad faith or intentional misconduct by any such individual results in noncompliance with 37 CFR 1.555(a). Any such issues raised by the patent owner or the third party requester during a reexamination proceeding will merely be noted as unresolved questions under 37 CFR 1.552(c). See MPEP § 2258 for information material to patentability in ex parte reexamination proceedings and MPEP § 2658 for inter partes reexamination proceedings.

Jump to MPEP Source · 37 CFR 1.555Material Information DefinitionThird Party Requester RightsMateriality Standard
Topic

Required Disclosures

2 rules
StatutoryInformativeAlways
[mpep-2014-1df6a5af91b440f9f672e6ea]
Patent Owner Must Disclose Prior or Concurrent Proceedings Involving Patent
Note:
The patent owner is required to disclose any prior or concurrent proceedings involving the patent during ex parte reexamination and inter partes reexamination proceedings.

For the patent owner’s duty to disclose prior or concurrent proceedings in which the patent is or was involved, see MPEP § 2282 (for ex parte reexamination), § 2686 (for inter partes reexamination), and § 2001.06(c).

Jump to MPEP Source · 37 CFR 1.555Required DisclosuresMerged Reexamination ProceedingsDuty of Disclosure
StatutoryInformativeAlways
[mpep-2014-c4f9ca644f9e42cca6fc5bca]
Disclosure Required for Supplemental Examination Proceedings
Note:
Patent owners must disclose prior or concurrent proceedings involving their patent during supplemental examination.

For the patent owner’s duty to disclose prior or concurrent proceedings in which the patent is or was involved in supplemental examination, see MPEP § 2820.

Jump to MPEP Source · 37 CFR 1.555Required DisclosuresDisclosure via Supplemental ExaminationMerged Reexamination Proceedings
Topic

Ex Parte Reexamination

1 rules
StatutoryInformativeAlways
[mpep-2014-f18a5cd9a664fb43a12c2375]
Public Interest in Patent Reexamination
Note:
A patent is inherently of public interest, and all individuals involved in a reexamination must disclose information material to its patentability.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Ex Parte ReexaminationIndividuals Under DutyScope of Duty
Topic

Duty of Disclosure Fundamentals

1 rules
StatutoryInformativeAlways
[mpep-2014-086ff8efbfa19c8b4ec09245]
Disclosure Requirement for Each Claim Pending
Note:
Patent owners and their representatives must disclose all material information to the Office for each claim until it is cancelled.

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)Duty of Disclosure FundamentalsRequired DisclosuresDuty of Disclosure
Topic

IDS Fees and Certification

1 rules
StatutoryRequiredAlways
[mpep-2014-b94657aa52d8636ca4a4ee00]
Information Disclosure Statement Required for Reexamination
Note:
All individuals associated with the patent owner must file an information disclosure statement within two months of the reexamination order, containing items listed in § 1.98(a).

(a) A patent by its very nature is affected with a public interest. The public interest is best served, and the most effective reexamination occurs when, at the time a reexamination proceeding is being conducted, the Office is aware of and evaluates the teachings of all information material to patentability in a reexamination proceeding. Each individual associated with the patent owner in a reexamination proceeding has a duty of candor and good faith in dealing with the Office, which includes a duty to disclose to the Office all information known to that individual to be material to patentability in a reexamination proceeding. The individuals who have a duty to disclose to the Office all information known to them to be material to patentability in a reexamination proceeding are the patent owner, each attorney or agent who represents the patent owner, and every other individual who is substantively involved on behalf of the patent owner in a reexamination proceeding. The duty to disclose the information exists with respect to each claim pending in the reexamination proceeding until the claim is cancelled. Information material to the patentability the patentability of a cancelled claim need not be submitted if the information is not material to patentability of any claim remaining under consideration in the reexamination proceeding. The duty to disclose all information known to be material to patentability in a reexamination proceeding is deemed to be satisfied if all information known to be material to patentability of any claim in the patent after issuance of the reexamination certificate was cited by the Office or submitted to the Office in an information disclosure statement. However, the duties of candor, good faith, and disclosure have not been complied with if any fraud on the Office was practiced or attempted or the duty of disclosure was violated through bad faith or intentional misconduct by, or on behalf of, the patent owner in the reexamination proceeding. Any information disclosure statement must be filed with the items listed in § 1.98(a) as applied to individuals associated with the patent owner in a reexamination proceeding, and should be filed within two months of the date of the order for reexamination, or as soon thereafter as possible.

Jump to MPEP Source · 37 CFR 1.98(a)IDS Fees and CertificationInformation Disclosure StatementReexamination Order
Topic

Inter Partes Reexamination

1 rules
StatutoryInformativeAlways
[mpep-2014-3bfb9f522749b286a47a6ed0]
Responsibility for Compliance with Reexamination Section
Note:
The responsibility for complying with the section in reexamination proceedings rests on individuals designated in paragraph (a), and no evaluation will be made by the Office during these proceedings regarding compliance.

(c) The responsibility for compliance with this section rests upon the individuals designated in paragraph (a) of this section and no evaluation will be made by the Office in the reexamination proceeding as to compliance with this section. If questions of compliance with this section are raised by the patent owner or the third party requester during a reexamination proceeding, they will be noted as unresolved questions in accordance with § 1.552(c).

Jump to MPEP Source · 37 CFR 1.552(c)Inter Partes ReexaminationThird Party Requester RightsInter Partes Reexamination Request
Topic

Third Party Requester Rights

1 rules
StatutoryInformativeAlways
[mpep-2014-5dbe5c2632cb526e7f9001d5]
Questions of Compliance Not Evaluated During Reexamination
Note:
If compliance questions are raised by the patent owner or third party requester during reexamination, they will be noted as unresolved.

(c) The responsibility for compliance with this section rests upon the individuals designated in paragraph (a) of this section and no evaluation will be made by the Office in the reexamination proceeding as to compliance with this section. If questions of compliance with this section are raised by the patent owner or the third party requester during a reexamination proceeding, they will be noted as unresolved questions in accordance with § 1.552(c).

Jump to MPEP Source · 37 CFR 1.552(c)Third Party Requester RightsInter Partes Reexamination RequestEstoppel After Judgment
Topic

Duty of Disclosure

1 rules
StatutoryInformativeAlways
[mpep-2014-98d837f085b107421230d7f8]
Disclosure Obligation for Patent Owner and Associates in Reexamination
Note:
The patent owner and associated individuals must disclose information throughout reexamination proceedings, and any fraud or violation of this duty is noncompliant.

As provided in 37 CFR 1.555, the duty of disclosure in reexamination proceedings applies to the patent owner and individuals associated with the patent owner. That duty is a continuing obligation on the part of the patent owner throughout the proceedings. Any fraud practiced or attempted on the Office or any violation of the duty of disclosure through bad faith or intentional misconduct by any such individual results in noncompliance with 37 CFR 1.555(a). Any such issues raised by the patent owner or the third party requester during a reexamination proceeding will merely be noted as unresolved questions under 37 CFR 1.552(c). See MPEP § 2258 for information material to patentability in ex parte reexamination proceedings and MPEP § 2658 for inter partes reexamination proceedings.

Jump to MPEP Source · 37 CFR 1.555Duty of DisclosureMaterial Information DefinitionThird Party Requester Rights

Citations

Primary topicCitation
Individuals Under Duty
Scope of Duty
35 U.S.C. § 257
Individuals Under Duty
Scope of Duty
35 U.S.C. § 257(e)
Required Disclosures35 U.S.C. § 2686
Duty of Disclosure
Inter Partes Reexamination
Material Information Definition
Third Party Requester Rights
37 CFR § 1.552(c)
Duty of Disclosure
Individuals Under Duty
Material Information Definition
Scope of Duty
37 CFR § 1.555
Duty of Disclosure
Material Information Definition
37 CFR § 1.555(a)
Individuals Under Duty
Scope of Duty
37 CFR § 1.56
Individuals Under Duty
Scope of Duty
37 CFR § 1.620(g)
Individuals Under Duty
Scope of Duty
37 CFR § 1.625(d)(4)
Duty of Disclosure Fundamentals
Ex Parte Reexamination
IDS Fees and Certification
Individuals Under Duty
Material Information Definition
Scope of Duty
37 CFR § 1.98(a)
Required Disclosures37 CFR § 2001.06(c)
Duty of Disclosure
Material Information Definition
MPEP § 2258
Required DisclosuresMPEP § 2282
Duty of Disclosure
Material Information Definition
MPEP § 2658
Required DisclosuresMPEP § 2820

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: 2026-01-10