The first paragraph and parts of the second paragraph are based on Title 35, U.S.C., 1946 ed., § 63 (R.S. 4915, amended (1) Mar. 2, 1927, ch. 273, § 11, 44 Stat. 1336, (2) Mar. 2, 1929, ch. 488, § 2(b), 45 Stat. 1476, (3) Aug. 5, 1939, ch. 451, § 4, 53 Stat. 1212), limited to interferences and making some changes. The action is not restricted to applicants, but a patentee may also bring the action. The time for bringing the action is made the same as for appeals.

In the second paragraph the first sentence is new and eliminates difficulties arising from unrecorded interests.

The second sentence is based on Title 35, U.S.C., 1946 ed., § 72a (Mar. 3, 1927, ch. 364, 44 Stat. 1394, reenacted Oct. 31, 1951, ch. 655, § 53a, 65 Stat. 728) with changes in language.

The fourth sentence is new and prevents such suits from being filed against the Commissioner as a defendant; however, the Commissioner has the right to intervene.

Language is changed.

2002—Pub. L. 107–273 made technical correction to directory language of Pub. L. 106–113. See 1999 Amendment note below.

1999—Pub. L. 106–113, as amended by Pub. L. 107–273, substituted “Director” for “Commissioner” wherever appearing.

1984—Pub. L. 98–622 substituted “Board of Patent Appeals and Interferences on the interference” for “board of patent interference on the question of priority”.

1982—Pub. L. 97–164 substituted “Court of Appeals for the Federal Circuit” for “Court of Customs and Patent Appeals”.

1975—Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office” wherever appearing.

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 this title.

Amendment by Pub. L. 98–622 effective three months after Nov. 8, 1984, see section 207 of Pub. L. 98–622, set out as a note under section 41 of this title.

Amendment by Pub. L. 97–164 effective Oct. 1, 1982, see section 402 of Pub. L. 97–164, set out as a note under section 171 of Title 28, Judiciary and Judicial Procedure.

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 Title 15, Commerce and Trade.