---
kind: "unit"
title: "37"
title_heading: "Patents, Trademarks, and Copyrights"
key: "chI/subchA/part1/subpartB"
level: "subpart"
label: "Subpart B"
heading: "National Processing Provisions"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/37/chI-subchA-part1-subpartB"
sections_count: 151
---

# Subpart B — National Processing Provisions

Title 37 C.F.R. — Patents, Trademarks, and Copyrights › Chapter I — United States Patent and Trademark Office, Department of Commerce › Subchapter A — General › Part 1 — Rules of Practice in Patent Cases

## Sections

- [§1.31. Applicant and patent owner may be represented by one or more patent practitioners or joint inventors.](/cfr/37/1.31.md)
- [§1.32. Power of attorney.](/cfr/37/1.32.md)
- [§1.33. Correspondence respecting patent applications, patent reexamination proceedings, and other proceedings.](/cfr/37/1.33.md)
- [§1.34. Acting in a representative capacity.](/cfr/37/1.34.md)
- [§1.36. Revocation of power of attorney; withdrawal of patent attorney or agent.](/cfr/37/1.36.md)
- [§1.41. Inventorship.](/cfr/37/1.41.md)
- [§1.42. Applicant for patent.](/cfr/37/1.42.md)
- [§1.43. Application for patent by a legal representative of a deceased or legally incapacitated inventor.](/cfr/37/1.43.md)
- [§1.44. Reserved](/cfr/37/1.44.md)
- [§1.45. Application for patent by joint inventors.](/cfr/37/1.45.md)
- [§1.46. Application for patent by an assignee, obligated assignee, or a person who otherwise shows sufficient proprietary interest in the matter.](/cfr/37/1.46.md)
- [§1.47. Reserved](/cfr/37/1.47.md)
- [§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.](/cfr/37/1.48.md)
- [§1.51. General requisites of an application.](/cfr/37/1.51.md)
- [§1.52. Language, paper, writing, margins, read-only optical disc specifications.](/cfr/37/1.52.md)
- [§1.53. Application number, filing date, and completion of application.](/cfr/37/1.53.md)
- [§1.54. Parts of application to be filed together; filing receipt.](/cfr/37/1.54.md)
- [§1.55. Claim for foreign priority.](/cfr/37/1.55.md)
- [§1.56. Duty to disclose information material to patentability.](/cfr/37/1.56.md)
- [§1.57. Incorporation by reference.](/cfr/37/1.57.md)
- [§1.58. Chemical and mathematical formulae and tables.](/cfr/37/1.58.md)
- [§1.59. Expungement of information or copy of papers in application file.](/cfr/37/1.59.md)
- [§1.60-1.62. Reserved](/cfr/37/1.60-1.62.md)
- [§1.63. Inventor's oath or declaration.](/cfr/37/1.63.md)
- [§1.64. Substitute statement in lieu of an oath or declaration.](/cfr/37/1.64.md)
- [§1.66. Statements under oath.](/cfr/37/1.66.md)
- [§1.67. Supplemental oath or declaration.](/cfr/37/1.67.md)
- [§1.68. Declaration in lieu of oath.](/cfr/37/1.68.md)
- [§1.69. Foreign language oaths and declarations.](/cfr/37/1.69.md)
- [§1.70. Reserved](/cfr/37/1.70.md)
- [§1.71. Detailed description and specification of the invention.](/cfr/37/1.71.md)
- [§1.72. Title and abstract.](/cfr/37/1.72.md)
- [§1.73. Summary of the invention.](/cfr/37/1.73.md)
- [§1.74. Reference to drawings.](/cfr/37/1.74.md)
- [§1.75. Claim(s).](/cfr/37/1.75.md)
- [§1.76. Application data sheet.](/cfr/37/1.76.md)
- [§1.77. Arrangement of application elements.](/cfr/37/1.77.md)
- [§1.78. Claiming benefit of earlier filing date and cross-references to other applications.](/cfr/37/1.78.md)
- [§1.79. Reserved](/cfr/37/1.79.md)
- [§1.81. Drawings required in patent application.](/cfr/37/1.81.md)
- [§1.83. Content of drawing.](/cfr/37/1.83.md)
- [§1.84. Standards for drawings.](/cfr/37/1.84.md)
- [§1.85. Corrections to drawings.](/cfr/37/1.85.md)
- [§1.88. Reserved](/cfr/37/1.88.md)
- [§1.91. Models or exhibits not generally admitted as part of application or patent.](/cfr/37/1.91.md)
- [§1.92. Reserved](/cfr/37/1.92.md)
- [§1.93. Specimens.](/cfr/37/1.93.md)
- [§1.94. Return of models, exhibits or specimens.](/cfr/37/1.94.md)
- [§1.95. Copies of exhibits.](/cfr/37/1.95.md)
- [§1.96. Submission of computer program listings.](/cfr/37/1.96.md)
- [§1.97. Filing of information disclosure statement.](/cfr/37/1.97.md)
- [§1.98. Content of information disclosure statement.](/cfr/37/1.98.md)
- [§1.99. Reserved](/cfr/37/1.99.md)
- [§1.101. Reserved](/cfr/37/1.101.md)
- [§1.102. Advancement of examination.](/cfr/37/1.102.md)
- [§1.103. Suspension of action by the Office.](/cfr/37/1.103.md)
- [§1.104. Nature of examination.](/cfr/37/1.104.md)
- [§1.105. Requirements for information.](/cfr/37/1.105.md)
- [§1.106-1.108. Reserved](/cfr/37/1.106-1.108.md)
- [§1.109. Effective filing date of a claimed invention under the Leahy-Smith America Invents Act.](/cfr/37/1.109.md)
- [§1.110. Inventorship and ownership of the subject matter of individual claims.](/cfr/37/1.110.md)
- [§1.111. Reply by applicant or patent owner to a non-final Office action.](/cfr/37/1.111.md)
- [§1.112. Reconsideration before final action.](/cfr/37/1.112.md)
- [§1.113. Final rejection or action.](/cfr/37/1.113.md)
- [§1.114. Request for continued examination.](/cfr/37/1.114.md)
- [§1.115. Preliminary amendments.](/cfr/37/1.115.md)
- [§1.116. Amendments and affidavits or other evidence after final action and prior to appeal.](/cfr/37/1.116.md)
- [§1.117-1.119. Reserved](/cfr/37/1.117-1.119.md)
- [§1.121. Manner of making amendments in applications.](/cfr/37/1.121.md)
- [§1.122-1.124. Reserved](/cfr/37/1.122-1.124.md)
- [§1.125. Substitute specification.](/cfr/37/1.125.md)
- [§1.126. Numbering of claims.](/cfr/37/1.126.md)
- [§1.127. Reserved](/cfr/37/1.127.md)
- [§1.129. Transitional procedures for limited examination after final rejection and restriction practice.](/cfr/37/1.129.md)
- [§1.130. Affidavit or declaration of attribution or prior public disclosure under the Leahy-Smith America Invents Act.](/cfr/37/1.130.md)
- [§1.131. Affidavit or declaration of prior invention or to disqualify commonly owned patent or published application as prior art.](/cfr/37/1.131.md)
- [§1.132. Affidavits or declarations traversing rejections or objections.](/cfr/37/1.132.md)
- [§1.133. Interviews.](/cfr/37/1.133.md)
- [§1.134. Time period for reply to an Office action.](/cfr/37/1.134.md)
- [§1.135. Abandonment for failure to reply within time period.](/cfr/37/1.135.md)
- [§1.136. Extensions of time.](/cfr/37/1.136.md)
- [§1.137. Revival of abandoned application, or terminated or limited reexamination prosecution.](/cfr/37/1.137.md)
- [§1.138. Express abandonment.](/cfr/37/1.138.md)
- [§1.139. Reserved](/cfr/37/1.139.md)
- [§1.141. Different inventions in one national application.](/cfr/37/1.141.md)
- [§1.142. Requirement for restriction.](/cfr/37/1.142.md)
- [§1.143. Reconsideration of requirement.](/cfr/37/1.143.md)
- [§1.144. Petition from requirement for restriction.](/cfr/37/1.144.md)
- [§1.145. Subsequent presentation of claims for different invention.](/cfr/37/1.145.md)
- [§1.146. Election of species.](/cfr/37/1.146.md)
- [§1.151. Rules applicable.](/cfr/37/1.151.md)
- [§1.152. Design drawings.](/cfr/37/1.152.md)
- [§1.153. Title, description and claim, oath or declaration.](/cfr/37/1.153.md)
- [§1.154. Arrangement of application elements in a design application.](/cfr/37/1.154.md)
- [§1.155. Reserved](/cfr/37/1.155.md)
- [§1.161. Rules applicable.](/cfr/37/1.161.md)
- [§1.162. Applicant, oath or declaration.](/cfr/37/1.162.md)
- [§1.163. Specification and arrangement of application elements in a plant application.](/cfr/37/1.163.md)
- [§1.164. Claim.](/cfr/37/1.164.md)
- [§1.165. Plant drawings.](/cfr/37/1.165.md)
- [§1.166. Specimens.](/cfr/37/1.166.md)
- [§1.167. Examination.](/cfr/37/1.167.md)
- [§1.171. Application for reissue.](/cfr/37/1.171.md)
- [§1.172. Reissue applicant.](/cfr/37/1.172.md)
- [§1.173. Reissue specification, drawings, and amendments.](/cfr/37/1.173.md)
- [§1.174. Reserved](/cfr/37/1.174.md)
- [§1.175. Inventor's oath or declaration for a reissue application.](/cfr/37/1.175.md)
- [§1.176. Examination of reissue.](/cfr/37/1.176.md)
- [§1.177. Issuance of multiple reissue patents.](/cfr/37/1.177.md)
- [§1.178. Original patent; continuing duty of applicant.](/cfr/37/1.178.md)
- [§1.179. Reserved](/cfr/37/1.179.md)
- [§1.181. Petition to the Director.](/cfr/37/1.181.md)
- [§1.182. Questions not specifically provided for.](/cfr/37/1.182.md)
- [§1.183. Suspension of rules.](/cfr/37/1.183.md)
- [§1.184. Reserved](/cfr/37/1.184.md)
- [§1.191. Appeal to Patent Trial and Appeal Board.](/cfr/37/1.191.md)
- [§1.192-1.196. Reserved](/cfr/37/1.192-1.196.md)
- [§1.197. Termination of proceedings.](/cfr/37/1.197.md)
- [§1.198. Reopening after a final decision of the Patent Trial and Appeal Board.](/cfr/37/1.198.md)
- [§1.211. Publication of applications.](/cfr/37/1.211.md)
- [§1.213. Nonpublication request.](/cfr/37/1.213.md)
- [§1.215. Patent application publication.](/cfr/37/1.215.md)
- [§1.217. Publication of a redacted copy of an application.](/cfr/37/1.217.md)
- [§1.219. Early publication.](/cfr/37/1.219.md)
- [§1.221. Voluntary publication or republication of patent application publication.](/cfr/37/1.221.md)
- [§1.248. Service of papers; manner of service; proof of service in cases other than interferences and trials.](/cfr/37/1.248.md)
- [§1.251. Unlocatable file.](/cfr/37/1.251.md)
- [§1.290. Submissions by third parties in applications.](/cfr/37/1.290.md)
- [§1.291. Protests by the public against pending applications.](/cfr/37/1.291.md)
- [§1.292-1.297. Reserved](/cfr/37/1.292-1.297.md)
- [§1.301-1.304. Reserved](/cfr/37/1.301-1.304.md)
- [§1.311. Notice of allowance.](/cfr/37/1.311.md)
- [§1.312. Amendments after allowance.](/cfr/37/1.312.md)
- [§1.313. Withdrawal from issue.](/cfr/37/1.313.md)
- [§1.314. Issuance of patent.](/cfr/37/1.314.md)
- [§1.315. Reserved](/cfr/37/1.315.md)
- [§1.316. Application abandoned for failure to pay issue fee.](/cfr/37/1.316.md)
- [§1.317-1.318. Reserved](/cfr/37/1.317-1.318.md)
- [§1.321. Statutory disclaimers, including terminal disclaimers.](/cfr/37/1.321.md)
- [§1.322. Certificate of correction of Office mistake.](/cfr/37/1.322.md)
- [§1.323. Certificate of correction of applicant's mistake.](/cfr/37/1.323.md)
- [§1.324. Correction of inventorship in patent, pursuant to 35 U.S.C. 256.](/cfr/37/1.324.md)
- [§1.325. Other mistakes not corrected.](/cfr/37/1.325.md)
- [§1.331-1.334. Reserved](/cfr/37/1.331-1.334.md)
- [§1.335. Filing of notice of arbitration awards.](/cfr/37/1.335.md)
- [§1.351-1.352. Reserved](/cfr/37/1.351-1.352.md)
- [§1.362. Time for payment of maintenance fees.](/cfr/37/1.362.md)
- [§1.363. Fee address for maintenance fee purposes.](/cfr/37/1.363.md)
- [§1.366. Submission of maintenance fees.](/cfr/37/1.366.md)
- [§1.377. Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent.](/cfr/37/1.377.md)
- [§1.378. Acceptance of delayed payment of maintenance fee in expired patent to reinstate patent.](/cfr/37/1.378.md)