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.