Source: https://www.law.cornell.edu/uscode/text/15/1115
Timestamp: 2019-04-19 10:33:02+00:00

Document:
Any registration issued under the Act ofMarch 3, 1881, or the Act of February 20, 1905, or of a mark registered on the principal register provided by this chapter and owned by a party to an action shall be admissible in evidence and shall be prima facie evidence of the validity of the registered mark and of the registration of the mark, of the registrant’s ownership of the mark, and of the registrant’s exclusive right to use the registered mark in commerce on or in connection with the goods or services specified in the registration subject to any conditions or limitations stated therein, but shall not preclude another person from proving any legal or equitable defense or defect, including those set forth in subsection (b), which might have been asserted if such mark had not been registered.
Acts March 3, 1881, and February 20, 1905, referred to in subsec. (a), are acts Mar. 3, 1881, ch. 138, 21 Stat. 502 and Feb. 20, 1905, ch. 592, 33 Stat. 724, which were repealed insofar as inconsistent with this chapter by act July 5, 1946, ch. 540, § 46(a), 60 Stat. 444. Act Feb. 20, 1905, was classified to sections 81 to 109 of this title.
Act Feb. 20, 1905, ch. 592, §§ 16, 21, 33 Stat. 728, 729.
1988—Subsec. (a). Pub. L. 100–667, § 128(a), inserted “the validity of the registered mark and of the registration of the mark, of the registrant’s ownership of the mark, and of the” after “facie evidence of”, inserted “or in connection with” after “in commerce on”, substituted “another person” for “an opposing party”, and inserted “, including those set forth in subsection (b),” after “or defect”.
Subsec. (b). Pub. L. 100–667, § 128(b)(1), amended introductory provisions generally. Prior to amendment, introductory provisions read as follows: “If the right to use the registered mark has become incontestable under section 1065 of this title, the registration shall be conclusive evidence of the registrant’s exclusive right to use the registered mark in commerce on or in connection with the goods or services specified in the affidavit filed under the provisions of said section 1065 subject to any conditions or limitations stated therein except when one of the following defenses or defects is established:”.
Subsec. (b)(3). Pub. L. 100–667, § 128(b)(2), inserted “on or” after “goods or services”.
Subsec. (b)(4). Pub. L. 100–667, § 128(b)(3), struck out “trade or service” after “than as a” and “to users” after “only to describe”.
Subsec. (b)(5). Pub. L. 100–667, § 128(b)(4), substituted “(A) the date of constructive use of the mark established pursuant to section 1057(c) of this title, (B) the registration of the mark under this chapter if the application for registration is filed before the effective date of the Trademark Law Revision Act of 1988, or (C)” for “registration of the mark under this chapter or”.
Subsec. (b)(8). Pub. L. 100–667, § 128(b)(5), (6), added par. (8).
1962—Subsec. (a). Pub. L. 87–772 substituted “registration subject to” for “certificate subject to”, and struck out “certificate of” before “registration issued”.
Subsec. (b). Pub. L. 87–772 substituted “registration shall” for “certificate shall”, and “affidavit filed under the provisions of said section 1065” for “certificate” in text preceding par. (1), substituted “registrant or a person in privity with the registrant,” for “assignee”, and struck out “has been assigned and” after “registered mark” in par. (3), substituted “registration of the mark under this chapter or” for “the”, and struck out “(a) or” before “(c) of section 1062” in par. (5), inserted “registration under this chapter”, substituted “such registration or such” for “the date of”, and struck out “(a) or” before “(c) of section 1062”, “only where the said mark has been published pursuant to subsections (c) of section 1062 of this title and shall apply” after “defect shall apply”, and “under subsection (a) or (c) of section 1062 of this title” after “registrant’s mark”, in par. (6).

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