Site Feedback

Title 37

Displaying title 37, up to date as of 7/14/2026. Title 37 was last amended 6/24/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 37Patents, Trademarks, and CopyrightsPart / Section
Chapter IUnited States Patent and Trademark Office, Department of Commerce1 – 199
Subchapter AGeneral1 – 90
Part 1Rules of Practice in Patent Cases1.1 – 1.1071
Subpart BNational Processing Provisions1.31 – 1.378
Prosecution of Application and Appointment of Attorney or Agent1.31 – 1.36
Who May Apply for a Patent1.41 – 1.48
The Application1.51 – 1.62
Oath or Declaration1.63 – 1.70
Specification1.71 – 1.79
The Drawings1.81 – 1.88
Models, Exhibits, Specimens1.91 – 1.96
Information Disclosure Statement1.97 – 1.99
Examination of Applications1.101 – 1.110
Action by Applicant and Further Consideration1.111 – 1.114
Amendments1.115 – 1.127
Transitional Provisions1.129
Affidavits Overcoming Rejections1.130 – 1.132
Interviews1.133
Time for Reply by Applicant; Abandonment of Application1.134 – 1.139
Joinder of Inventions in One Application; Restriction1.141 – 1.146
Design Patents1.151 – 1.155
Plant Patents1.161 – 1.167
Reissues1.171 – 1.179
Petitions and Action by the Director1.181 – 1.184
Appeal to the Patent Trial and Appeal Board1.191 – 1.198
Publication of Applications1.211 – 1.221
Miscellaneous Provisions1.248 – 1.251
Preissuance Submissions and Protests by Third Parties1.290 – 1.297
Review of Patent and Trademark Office Decisions by Court1.301
Allowance and Issue of Patent1.311 – 1.318
Disclaimer1.321
Correction of Errors in Patent1.322 – 1.325
Arbitration Awards1.331 – 1.352
Maintenance Fees1.362 – 1.378