Quick search by citation:

35 U.S. Code Chapter 3 - PRACTICE BEFORE PATENT AND TRADEMARK OFFICE

Editorial Notes
Amendments

1999—Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, § 4715(b)], Nov. 29, 1999, 113 Stat. 1536, 1501A–580, struck out item 31 “Regulations for agents and attorneys”.

1975—Pub. L. 93–596, § 1, Jan. 2, 1975, 88 Stat. 1949, substituted “PATENT AND TRADEMARK OFFICE” for “PATENT OFFICE” in chapter heading.