In all inter partes proceedings equitable principles of laches, estoppel, and acquiescence, where applicable may be considered and applied.
Amendments
1988—Pub. L. 100–667 struck out at end "The provisions of this section shall also govern proceedings heretofore begun in the Patent and Trademark Office and not finally determined."
1975—Pub. L. 93–596 substituted "Patent and Trademark Office" for "Patent Office".
Effective Date of 1988 Amendment
Amendment by Pub. L. 100–667 effective one year after Nov. 16, 1988, see section 136 of Pub. L. 100–667, set out as a note under section 1051 of this title.
Effective Date of 1975 Amendment
Amendment by Pub. L. 93–596 effective Jan. 2, 1975, see section 4 of Pub. L. 93–596, set out as a note under section 1111 of this title.
Repeal and Effect on Existing Rights
Repeal of inconsistent provisions, effect of this chapter on pending proceedings and existing registrations and rights under prior acts, see notes set out under section 1051 of this title.
Transfer of Functions
For transfer of functions of other officers, employees, and agencies of Department of Commerce, with certain exceptions, to Secretary of Commerce, with power to delegate, see Reorg. Plan No. 5 of 1950, §§1, 2, eff. May 24, 1950, 15 F.R. 3174, 64 Stat. 1263, set out in the Appendix to Title 5, Government Organization and Employees.