Act Mar. 19, 1920, ch. 104, § 6, 41 Stat. 535.

2020—Pub. L. 116–260 inserted “Registrations on the supplemental register shall be subject to ex parte expungement and ex parte reexamination under sections 1066a and 1066b of this title, respectively.” at end.

1998—Pub. L. 105–330 substituted “, 1057(c),” for “1057(c),,”.

1988—Pub. L. 100–667 inserted reference to sections 1051(b) and 1057(c).

Amendment by Pub. L. 116–260 effective upon the expiration of the 1-year period beginning on Dec. 27, 2020, and applicable to any mark registered before, on, or after that effective date, see section 225(g) of div. Q of Pub. L. 116–260, set out as a note under section 1064 of this title.

Amendment by Pub. L. 105–330 effective Oct. 30, 1998, and applicable only to any civil action filed or proceeding before the United States Patent and Trademark Office commenced on or after such date relating to the registration of a mark, see section 201(b) of Pub. L. 105–330, set out as a note under section 1051 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.

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.