Acts Feb. 20, 1905, ch. 592, §§ 6, 7, 33 Stat. 726; Mar. 2, 1907, ch. 2573, § 2, 34 Stat. 1252.

2006—Subsec. (a). Pub. L. 109–312 substituted “the registration of any mark which would be likely to cause dilution by blurring or dilution by tarnishment” for “as a result of dilution”.

1999—Subsec. (a). Pub. L. 106–113 substituted “Director” for “Commissioner” wherever appearing.

Pub. L. 106–43 inserted “, including as a result of dilution under section 1125(c) of this title,” after “principal register” in first sentence.

1988—Pub. L. 100–667 designated existing provisions as subsec. (a), substituted “prescribed fee” for “required fee”, and added subsec. (b).

1982—Pub. L. 97–247 substituted “an” for “a verified” after “required fee, file”, inserted “when requested prior to the expiration of an extension” after “Commissioner for good cause” and struck out provision that an unverified opposition could be filed by a duly authorized attorney, but such opposition would be null and void unless verified by the opposer within a reasonable time after such filing is fixed by the Commissioner.

1975—Pub. L. 93–600 substituted provisions relating to extensions of time for filing opposition upon written request prior to the expiration of the thirty-day period for an additional thirty days, and further extensions for good cause, for provisions relating to extensions of the time for filing opposition for good cause shown.

Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”.

1962—Pub. L. 87–772 inserted “An opposition may be amended under such conditions as may be prescribed by the Commissioner”, and struck out “notice of” after “file a verified” and “time for filing”.

Amendment by Pub. L. 106–113 effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106–113, set out as a note under section 1 of Title 35, Patents.

Amendment by Pub. L. 106–43 effective Aug. 5, 1999, and applicable only to any application for registration filed on or after Jan. 16, 1996, see section 2(e) of Pub. L. 106–43, set out as a note under section 1052 of this title.

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.

Amendment by Pub. L. 97–247 effective six months after Aug. 27, 1982, see section 17(c) of Pub. L. 97–247, set out as a note under section 294 of Title 35, Patents.

Pub. L. 93–600, § 4, Jan. 2, 1975, 88 Stat. 1955, provided that: “This Act [amending this section and sections 1071 and 1117 of this title] shall become effective upon enactment [Jan. 2, 1975], but shall not affect any suit, proceeding, or appeal then pending.”

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 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.

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.