§ 8.
The Director may revise and maintain the classification by subject matter of United States letters patent, and such other patents and printed publications as may be necessary or practicable, for the purpose of determining with readiness and accuracy the novelty of inventions for which applications for patent are filed.
([July 19, 1952, ch. 950], [66 Stat. 794], § 9; renumbered § 8 and amended [Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, §§ 4717(1), 4732(a)(10)(A)]], Nov. 29, 1999, [113 Stat. 1536], 1501A–580, 1501A–582; [Pub. L. 107–273, div. C, title III, § 13206(b)(1)(B)], Nov. 2, 2002, [116 Stat. 1906].)