United States Code/Title 35/Chapter 30/Section 301

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113977United States CodeTitle 35, Chapter 30, Section 301. Citation of prior artthe United States Government

Section 301. Citation of prior art

Any person at any time may cite to the Office in writing prior art consisting of patents or printed publications which that person believes to have a bearing on the patentability of any claim of a particular patent. If the person explains in writing the pertinency and manner of applying such prior art to at least one claim of the patent, the citation of such prior art and the explanation thereof will become a part of the official file of the patent. At the written request of the person citing the prior art, his or her identity will be excluded from the patent file and kept confidential.



(Added Pub. L. 96-517, Sec. 1, Dec. 12, 1980, 94 Stat. 3015.)

Effective Date


Chapter effective July 1, 1981, and applicable to patents in force as of July 1, 1981, or issued thereafter, see section 8(b) of Pub. L. 96-517, set out as an Effective Date of 1980 Amendment note under section 41 of this title.