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LegalText 35 U.S.C. § 141 Appeal to Court of Appeals for the Federal Circuit us united_states_code code_section 35 PATENTS 13 REVIEW OF PATENT AND TRADEMARK OFFICE DECISIONS 141 35 U.S.C. § 141 current 119-100 2026-06-26 official https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc35@119-100.zip /us/usc/t35/s141 data/legal/raw/us/code/title-35/usc35.xml 1b16f62baa0a2cb4f30f8e98ab57e258fd443af9e661022b899a73d3d8806c61 736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3 94624365baf51764c04acc560b85be203a6485b25fbf5710628f4d7bd66c421c 2026-07-04 official
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35 U.S.C. § 141 - Appeal to Court of Appeals for the Federal Circuit

Text

(a) Examinations.— An applicant who is dissatisfied with the final decision in an appeal to the Patent Trial and Appeal Board under section 134(a) may appeal the Boards decision to the United States Court of Appeals for the Federal Circuit. By filing such an appeal, the applicant waives his or her right to proceed under section 145.

(b) Reexaminations.— A patent owner who is dissatisfied with the final decision in an appeal of a reexamination to the Patent Trial and Appeal Board under section 134(b) may appeal the Boards decision only to the United States Court of Appeals for the Federal Circuit.

(c) Post-Grant and Inter Partes Reviews.— A party to an inter partes review or a post-grant review who is dissatisfied with the final written decision of the Patent Trial and Appeal Board under section 318(a) or 328(a) (as the case may be) may appeal the Boards decision only to the United States Court of Appeals for the Federal Circuit.

(d) Derivation Proceedings.— A party to a derivation proceeding who is dissatisfied with the final decision of the Patent Trial and Appeal Board in the proceeding may appeal the decision to the United States Court of Appeals for the Federal Circuit, but such appeal shall be dismissed if any adverse party to such derivation proceeding, within 20 days after the appellant has filed notice of appeal in accordance with section 142, files notice with the Director that the party elects to have all further proceedings conducted as provided in section 146. If the appellant does not, within 30 days after the filing of such notice by the adverse party, file a civil action under section 146, the Boards decision shall govern the further proceedings in the case.

(July 19, 1952, ch. 950, 66 Stat. 802; Pub. L. 97164, title I, § 163(a)(7), (b)(2), Apr. 2, 1982, 96 Stat. 49, 50; Pub. L. 98622, title II, § 203(a), Nov. 8, 1984, 98 Stat. 3387; Pub. L. 106113, div. B, § 1000(a)(9) [title IV, §§ 4605(c), 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A571, 1501A582; Pub. L. 107273, div. C, title III, §§ 13106(c), 13206(b)(1)(B), Nov. 2, 2002, 116 Stat. 1901, 1906; Pub. L. 11229, § 7(c)(1), Sept. 16, 2011, 125 Stat. 314.)

Notes

Historical and Revision NotesBased on Title 35, U.S.C., 1946 ed., § 59a (R.S. 4911, amended (1) Mar. 2, 1927, ch. 273, § 8, 44 Stat. 1336, (2) Mar. 2, 1929, ch. 488, § 2a, 45 Stat. 1476, (3) Aug. 5, 1939, ch. 451, § 3, 53 Stat. 1212). Changes in language are made.

Editorial Notes

Amendments2011—Pub. L. 11229 amended section generally. Prior to amendment, section related to appeals to the Court of Appeals for the Federal Circuit. 2002—Pub. L. 107273, § 13206(b)(1)(B), made technical correction to directory language of Pub. L. 106113, § 1000(a)(9) [title IV, § 4732(a)(10)(A)]. See 1999 Amendment note below. Pub. L. 107273, § 13106(c), inserted “, or a third-party requester in an inter partes reexamination proceeding, who is” after “patent owner” in third sentence. 1999—Pub. L. 106113, § 1000(a)(9) [title IV, § 4732(a)(10)(A)], as amended by Pub. L. 107273, § 13206(b)(1)(B), substituted “Director” for “Commissioner”. Pub. L. 106113, § 1000(a)(9) [title IV, § 4605(c)], inserted after second sentence “A patent owner in any reexamination proceeding dissatisfied with the final decision in an appeal to the Board of Patent Appeals and Interferences under section 134 may appeal the decision only to the United States Court of Appeals for the Federal Circuit.” 1984—Pub. L. 98622, § 203(a)(1)(A), substituted “in an appeal to the Board of Patent Appeals and Interferences under section 134 of this title may appeal the decision” for “of the Board of Patent Appeals may appeal” in first sentence. Pub. L. 98622, § 203(a)(1)(B), substituted “. By filing such an appeal the applicant waives his or her right” for “, thereby waiving his right” in first sentence. Pub. L. 98622, § 203(a)(2)(A), substituted “Board of Patent Appeals and Interferences on the interference may appeal the decision” for “board of patent interferences on the question of priority of appeal” in second sentence. Pub. L. 98622, § 203(a)(2)(B), substituted “In accordance with” for “according to” in second sentence. Pub. L. 98622, § 203(a)(2)(C), substituted “the party” for “he” in second sentence. Pub. L. 98622, § 203(a)(3), reenacted last sentence with minor changes in wording. 1982—Pub. L. 97164, § 163(b)(2), substituted “Court of Appeals for the Federal Circuit” for “Court of Customs and Patent Appeals” in section catchline. Pub. L. 97164, § 163(a)(7), substituted “Court of Appeals for the Federal Circuit” for “Court of Customs and Patent Appeals” in two places.

Statutory Notes and Related Subsidiaries

Effective Date of 2011 AmendmentAmendment by Pub. L. 11229 effective upon the expiration of the 1-year period beginning on Sept. 16, 2011, and applicable to proceedings commenced on or after that effective date, with certain exceptions, see section 7(e) of Pub. L. 11229, set out as a note under section 6 of this title.

Effective Date of 2002 AmendmentAmendment by section 13106(c) of Pub. L. 107273 applicable with respect to any reexamination proceeding commenced on or after Nov. 2, 2002, see section 13106(d) of Pub. L. 107273, set out as a note under section 134 of this title.

Effective Date of 1999 AmendmentAmendment by section 1000(a)(9) [title IV, § 4605(c)] of Pub. L. 106113 applicable to any reexamination filed in the United States Patent and Trademark Office on or after Nov. 2, 2002, see section 13202(d) of Pub. L. 107273, set out as a note under section 134 of this title. Amendment by section 1000(a)(9) [title IV, § 4605(c)] of Pub. L. 106113 effective Nov. 29, 1999, and applicable to any patent issuing from an original application filed in the United States on or after that date, see section 1000(a)(9) [title IV, § 4608(a)] of Pub. L. 106113, set out as a note under section 41 of this title. Amendment by section 1000(a)(9) [title IV, § 4732(a)(10)(A)] of Pub. L. 106113 effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106113, set out as a note under section 1 of this title.

Effective Date of 1984 AmendmentAmendment by Pub. L. 98622 effective three months after Nov. 8, 1984, see section 207 of Pub. L. 98622, set out as a note under section 41 of this title.

Effective Date of 1982 AmendmentAmendment by Pub. L. 97164 effective Oct. 1, 1982, see section 402 of Pub. L. 97164, set out as a note under section 171 of Title 28, Judiciary and Judicial Procedure.