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1.321 (pre‑AIA) Statutory disclaimers, including terminal disclaimers.

[Editor Note: Para. (b) below is not applicable to patent applications filed under 35 U.S.C. 111(a) or 363 on or after Sept. 16, 2012 *]

  • (b) An applicant or assignee may disclaim or dedicate to the public the entire term, or any terminal part of the term, of a patent to be granted. Such terminal disclaimer is binding upon the grantee and its successors or assigns. The terminal disclaimer, to be recorded in the Patent and Trademark Office, must:
    • (1) Be signed:
      • (i) By the applicant, or
      • (ii) If there is an assignee of record of an undivided part interest, by the applicant and such assignee, or
      • (iii) If there is an assignee of record of the entire interest, by such assignee, or
      • (iv) By an attorney or agent of record;
    • (2) Specify the portion of the term of the patent being disclaimed;
    • (3) State the present extent of applicant’s or assignee’s ownership interest in the patent to be granted; and
    • (4) Be accompanied by the fee set forth in § 1.20(d) .

[47 FR 41272, Sept. 17, 1982, effective Oct. 1, 1982; revised, 58 FR 54504, Oct. 22, 1993, effective Jan. 3, 1994; para. (c) revised, 61 FR 42790, Aug. 19, 1996, effective Sept. 23, 1996; para (d) added, 70 FR 1818, Jan. 11, 2005, effective Dec. 10, 2004; paras. (c) and (d) revised, 70 FR 54259, Sept. 14, 2005, effective Sept. 14, 2005; para.(d) introductory text revised, 78 FR 11024, Feb. 14, 2013, effective Mar. 16, 2013]

[ *See § 1.321 for more information and for para. (b) applicable to patent applications filed under 35 U.S.C. 111(a) or 363 on or after Sept. 16, 2012]

CORRECTION OF ERRORS IN PATENT