eCFR.io
Daily eCFR

Part 1—Rules of Practice in Patent Cases

Rules of Practice in Patent Cases

ContainsSubparts A–I
CorpusDaily eCFR
Displayed edition2026-04-24
Last updated2026-04-24

PART 1—RULES OF PRACTICE IN PATENT CASES

Editorial Notes:

1. In Patent and Trademark Office publications and usage the part number is omitted from the numbers of §§ 1.1 to 1.352 and the numbers to the right of the decimal point correspond with the respective rule numbers.

2. For nomenclature changes to part 1, see 68 FR 14335, Mar. 25, 2003; 87 FR 68904, Nov. 17, 2022.

Subparts

Authority35 U.S.C. 2(b)(2), unless otherwise noted.
Source24 FR 10332, Dec. 22, 1959, unless otherwise noted.