United States Code/Title 35/Chapter 25/Section 251

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United States Code
the United States Government
Title 35, Chapter 25, Section 251. Reissue of defective patents
113391United States CodeTitle 35, Chapter 25, Section 251. Reissue of defective patentsthe United States Government

Section 251. Reissue of defective patents

Whenever any patent is, through error without any deceptive intention, deemed wholly or partly inoperative or invalid, by reason of a defective specification or drawing, or by reason of the patentee claiming more or less than he had a right to claim in the patent, the Director shall, on the surrender of such patent and the payment of the fee required by law, reissue the patent for the invention disclosed in the original patent, and in accordance with a new and amended application, for the unexpired part of the term of the original patent. No new matter shall be introduced into the application for reissue.

The Director may issue several reissued patents for distinct and separate parts of the thing patented, upon demand of the applicant, and upon payment of the required fee for a reissue for each of such reissued patents.

The provisions of this title relating to applications for patent shall be applicable to applications for reissue of a patent, except that application for reissue may be made and sworn to by the assignee of the entire interest if the application does not seek to enlarge the scope of the claims of the original patent.

No reissued patent shall be granted enlarging the scope of the claims of the original patent unless applied for within two years from the grant of the original patent.

Source

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(July 19, 1952, ch. 950, 66 Stat. 808; Pub. L. 106-113, div. B, Sec. 1000(a)(9) [title IV, Sec. 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A-582; Pub. L. 107-273, div. C, title III, Sec. 13206(b)(1)(B), Nov. 2, 2002, 116 Stat. 1906.)

Historical and Revision Notes

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Based on Title 35, U.S.C., 1946 ed., Sec. 64 (R.S. 4916, amended May 24, 1928, ch. 730, 45 Stat. 732.)

The sentences of the corresponding section of existing statute are rearranged and divided into two sections with some changes in language. The clause at the end of the present statute is omitted as obsolete.

The third paragraph incorporates by reference the requirements of other applications, and adds a new provision relating to application for reissue being made in certain cases by the assignee.

A two year period of limitation on applying for broadened reissues is added, codifying the present rule of decision with a fixed period.

Amendments

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2002

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

1999

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Pub. L. 106-113, as amended by Pub. L. 107-273, substituted “Director” for “Commissioner” in first and second pars.

Effective Date of 1999 Amendment

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