U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 37Chapter IPart 1Subpart B - Subpart B—National Processing Provisions

REVIEW OF PATENT AND TRADEMARK OFFICE DECISIONS BY COURT
§§ 1.301-1.304 - §[Reserved]

ALLOWANCE AND ISSUE OF PATENT
§ 1.311 - Notice of allowance.
§ 1.312 - Amendments after allowance.
§ 1.313 - Withdrawal from issue.
§ 1.314 - Issuance of patent.
§ 1.315 - [Reserved]
§ 1.316 - Application abandoned for failure to pay issue fee.
§§ 1.317-1.318 - §[Reserved]

DISCLAIMER
§ 1.321 - Statutory disclaimers, including terminal disclaimers.

CORRECTION OF ERRORS IN PATENT
§ 1.322 - Certificate of correction of Office mistake.
§ 1.323 - Certificate of correction of applicant's mistake.
§ 1.324 - Correction of inventorship in patent, pursuant to 35 U.S.C. 256.
§ 1.325 - Other mistakes not corrected.

ARBITRATION AWARDS
§§ 1.331-1.334 - §[Reserved]
§ 1.335 - Filing of notice of arbitration awards.
§§ 1.351-1.352 - §[Reserved]

MAINTENANCE FEES
§ 1.362 - Time for payment of maintenance fees.
§ 1.363 - Fee address for maintenance fee purposes.
§ 1.366 - Submission of maintenance fees.
§ 1.377 - Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent.
§ 1.378 - Acceptance of delayed payment of maintenance fee in expired patent to reinstate patent.

PROSECUTION OF APPLICATION AND APPOINTMENT OF ATTORNEY OR AGENT
§ 1.31 - Applicant may be represented by one or more patent practitioners or joint inventors.
§ 1.32 - Power of attorney.
§ 1.33 - Correspondence respecting patent applications, patent reexamination proceedings, and other proceedings.
§ 1.34 - Acting in a representative capacity.
§ 1.36 - Revocation of power of attorney; withdrawal of patent attorney or agent.

WHO MAY APPLY FOR A PATENT
§ 1.41 - Inventorship.
§ 1.42 - Applicant for patent.
§ 1.43 - Application for patent by a legal representative of a deceased or legally incapacitated inventor.
§ 1.44 - [Reserved]
§ 1.45 - Application for patent by joint inventors.
§ 1.46 - Application for patent by an assignee, obligated assignee, or a person who otherwise shows sufficient proprietary interest in the matter.
§ 1.47 - [Reserved]
§ 1.48 - Correction of inventorship pursuant to 35 U.S.C. 116 or correction of the name or order of names in a patent application, other than a reissue application.

THE APPLICATION
§ 1.51 - General requisites of an application.
§ 1.52 - Language, paper, writing, margins, read-only optical disc specifications.
§ 1.53 - Application number, filing date, and completion of application.
§ 1.54 - Parts of application to be filed together; filing receipt.
§ 1.55 - Claim for foreign priority.
§ 1.56 - Duty to disclose information material to patentability.
§ 1.57 - Incorporation by reference.
§ 1.58 - Chemical and mathematical formulae and tables.
§ 1.59 - Expungement of information or copy of papers in application file.
§§ 1.60-1.62 - §[Reserved]

OATH OR DECLARATION
§ 1.63 - Inventor's oath or declaration.
§ 1.64 - Substitute statement in lieu of an oath or declaration.
§ 1.66 - Statements under oath.
§ 1.67 - Supplemental oath or declaration.
§ 1.68 - Declaration in lieu of oath.
§ 1.69 - Foreign language oaths and declarations.
§ 1.70 - [Reserved]

SPECIFICATION
§ 1.71 - Detailed description and specification of the invention.
§ 1.72 - Title and abstract.
§ 1.73 - Summary of the invention.
§ 1.74 - Reference to drawings.
§ 1.75 - Claim(s).
§ 1.76 - Application data sheet.
§ 1.77 - Arrangement of application elements.
§ 1.78 - Claiming benefit of earlier filing date and cross-references to other applications.
§ 1.79 - [Reserved]

THE DRAWINGS
§ 1.81 - Drawings required in patent application.
§ 1.83 - Content of drawing.
§ 1.84 - Standards for drawings.
§ 1.85 - Corrections to drawings.
§ 1.88 - [Reserved]

MODELS, EXHIBITS, SPECIMENS
§ 1.91 - Models or exhibits not generally admitted as part of application or patent.
§ 1.92 - [Reserved]
§ 1.93 - Specimens.
§ 1.94 - Return of models, exhibits or specimens.
§ 1.95 - Copies of exhibits.
§ 1.96 - Submission of computer program listings.

INFORMATION DISCLOSURE STATEMENT
§ 1.97 - Filing of information disclosure statement.
§ 1.98 - Content of information disclosure statement.
§ 1.99 - [Reserved]

EXAMINATION OF APPLICATIONS
§ 1.101 - [Reserved]
§ 1.102 - Advancement of examination.
§ 1.103 - Suspension of action by the Office.
§ 1.104 - Nature of examination.
§ 1.105 - Requirements for information.
§§ 1.106-1.108 - §[Reserved]
§ 1.109 - Effective filing date of a claimed invention under the Leahy-Smith America Invents Act.
§ 1.110 - Inventorship and ownership of the subject matter of individual claims.

ACTION BY APPLICANT AND FURTHER CONSIDERATION
§ 1.111 - Reply by applicant or patent owner to a non-final Office action.
§ 1.112 - Reconsideration before final action.
§ 1.113 - Final rejection or action.
§ 1.114 - Request for continued examination.

AMENDMENTS
§ 1.115 - Preliminary amendments.
§ 1.116 - Amendments and affidavits or other evidence after final action and prior to appeal.
§§ 1.117-1.119 - §[Reserved]
§ 1.121 - Manner of making amendments in applications.
§§ 1.122-1.224 - §[Reserved]
§ 1.125 - Substitute specification.
§ 1.126 - Numbering of claims.
§ 1.127 - [Reserved]

TRANSITIONAL PROVISIONS
§ 1.129 - Transitional procedures for limited examination after final rejection and restriction practice.

AFFIDAVITS OVERCOMING REJECTIONS
§ 1.130 - Affidavit or declaration of attribution or prior public disclosure under the Leahy-Smith America Invents Act.
§ 1.131 - Affidavit or declaration of prior invention or to disqualify commonly owned patent or published application as prior art.
§ 1.132 - Affidavits or declarations traversing rejections or objections.

INTERVIEWS
§ 1.133 - Interviews.

TIME FOR REPLY BY APPLICANT; ABANDONMENT OF APPLICATION
§ 1.134 - Time period for reply to an Office action.
§ 1.135 - Abandonment for failure to reply within time period.
§ 1.136 - Extensions of time.
§ 1.137 - Revival of abandoned application, or terminated or limited reexamination prosecution.
§ 1.138 - Express abandonment.
§ 1.139 - [Reserved]

JOINDER OF INVENTIONS IN ONE APPLICATION; RESTRICTION
§ 1.141 - Different inventions in one national application.
§ 1.142 - Requirement for restriction.
§ 1.143 - Reconsideration of requirement.
§ 1.144 - Petition from requirement for restriction.
§ 1.145 - Subsequent presentation of claims for different invention.
§ 1.146 - Election of species.

DESIGN PATENTS
§ 1.151 - Rules applicable.
§ 1.152 - Design drawings.
§ 1.153 - Title, description and claim, oath or declaration.
§ 1.154 - Arrangement of application elements in a design application.
§ 1.155 - [Reserved]

PLANT PATENTS
§ 1.165 - Plant drawings.
§ 1.166 - Specimens.
§ 1.167 - Examination.
§ 1.161 - Rules applicable.
§ 1.162 - Applicant, oath or declaration.
§ 1.163 - Specification and arrangement of application elements in a plant application.
§ 1.164 - Claim.

REISSUES
§ 1.171 - Application for reissue.
§ 1.172 - Reissue applicant.
§ 1.173 - Reissue specification, drawings, and amendments.
§ 1.174 - [Reserved]
§ 1.175 - Inventor's oath or declaration for a reissue application.
§ 1.176 - Examination of reissue.
§ 1.177 - Issuance of multiple reissue patents.
§ 1.178 - Original patent; continuing duty of applicant.
§ 1.179 - [Reserved]

PETITIONS AND ACTION BY THE DIRECTOR
§ 1.181 - Petition to the Director.
§ 1.182 - Questions not specifically provided for.
§ 1.183 - Suspension of rules.
§ 1.184 - [Reserved]

APPEAL TO THE PATENT TRIAL AND APPEAL BOARD
§ 1.191 - Appeal to Patent Trial and Appeal Board.
§§ 1.192-1.196 - §[Reserved]
§ 1.197 - Termination of proceedings.
§ 1.198 - Reopening after a final decision of the Patent Trial and Appeal Board.

PUBLICATION OF APPLICATIONS
§ 1.211 - Publication of applications.
§ 1.213 - Nonpublication request.
§ 1.215 - Patent application publication.
§ 1.217 - Publication of a redacted copy of an application.
§ 1.219 - Early publication.
§ 1.221 - Voluntary publication or republication of patent application publication.

MISCELLANEOUS PROVISIONS
§ 1.248 - Service of papers; manner of service; proof of service in cases other than interferences and trials.
§ 1.251 - Unlocatable file.

PREISSUANCE SUBMISSIONS AND PROTESTS BY THIRD PARTIES
§ 1.290 - Submissions by third parties in applications.
§ 1.291 - Protests by the public against pending applications.
§§ 1.292-1.297 - §[Reserved]
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