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LegalText 35 U.S.C. § 143 Proceedings on appeal us united_states_code code_section 35 PATENTS 13 REVIEW OF PATENT AND TRADEMARK OFFICE DECISIONS 143 35 U.S.C. § 143 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/s143 data/legal/raw/us/code/title-35/usc35.xml a9b95c2d30fff3c924de5ae338c40ac11a7ae1f4a02207db5254e066499dba62 736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3 777046c663f230e84c6ad2b085666b163d83902741e3b071a47c97a3a362245c 2026-07-04 official
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35 U.S.C. § 143 - Proceedings on appeal

Text

With respect to an appeal described in section 142, the Director shall transmit to the United States Court of Appeals for the Federal Circuit a certified list of the documents comprising the record in the Patent and Trademark Office. The court may request that the Director forward the original or certified copies of such documents during pendency of the appeal. In an ex parte case, the Director shall submit to the court in writing the grounds for the decision of the Patent and Trademark Office, addressing all of the issues raised in the appeal. The Director shall have the right to intervene in an appeal from a decision entered by the Patent Trial and Appeal Board in a derivation proceeding under section 135 or in an inter partes or post-grant review under chapter 31 or 32. The court shall, before hearing an appeal, give notice of the time and place of the hearing to the Director and the parties in the appeal.

(July 19, 1952, ch. 950, 66 Stat. 802; Pub. L. 93596, § 1, Jan. 2, 1975, 88 Stat. 1949; Pub. L. 97164, title I, § 163(a)(7), Apr. 2, 1982, 96 Stat. 49; Pub. L. 98620, title IV, § 414(a), Nov. 8, 1984, 98 Stat. 3363; Pub. L. 106113, div. B, § 1000(a)(9) [title IV, §§ 4605(d), 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A571, 1501A582; Pub. L. 107273, div. C, title III, §§ 13202(b)(2), 13206(b)(1)(B), Nov. 2, 2002, 116 Stat. 1901, 1906; Pub. L. 11229, §§ 7(c)(3), 20(j), Sept. 16, 2011, 125 Stat. 314, 335.)

Notes

Historical and Revision NotesBased on Title 35, U.S.C., 1946 ed., § 61 (R.S. 4913, amended Mar. 2, 1927, ch. 273, § 10, 44 Stat. 1336). Language is changed. The requirement that the Commissioner notify the parties is omitted and a requirement that the court notify the parties is added. The statement relating to filing the papers and testimony is made more explicit.

Editorial Notes

Amendments2011—Pub. L. 11229, § 20(j), struck out “of this title” after “142”. Pub. L. 11229, § 7(c)(3), substituted “In an ex parte case, the Director shall submit to the court in writing the grounds for the decision of the Patent and Trademark Office, addressing all of the issues raised in the appeal. The Director shall have the right to intervene in an appeal from a decision entered by the Patent Trial and Appeal Board in a derivation proceeding under section 135 or in an inter partes or post-grant review under chapter 31 or 32.” for “In an ex parte case or any reexamination case, the Director shall submit to the court in writing the grounds for the decision of the Patent and Trademark Office, addressing all the issues involved in the appeal.” and struck out second occurrence of “The court shall, before hearing an appeal, give notice of the time and place of the hearing to the Director and the parties in the appeal.” at the end. 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, § 13202(b)(2), amended third sentence generally and added fourth sentence identical to existing fourth (now fifth) sentence. Prior to amendment, third sentence read as follows: “In any reexamination case, the Director shall submit to the court in writing the grounds for the decision of the Patent and Trademark Office, addressing all the issues involved in the appeal.” 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” the first, second, and fourth places appearing. Pub. L. 106113, § 1000(a)(9) [title IV, § 4605(d)], amended third sentence generally. Prior to amendment, third sentence read as follows: “In an ex parte case, the Commissioner shall submit to the court in writing the grounds for the decision of the Patent and Trademark Office, addressing all the issues involved in the appeal.” 1984—Pub. L. 98620 substituted provisions requiring the Commissioner to transmit to the court a certified list of the documents comprising the record in the Patent and Trademark Office, with respect to an appeal described in section 142 of this title, for provision which required the Commissioner to transmit to the court certified copies of all the necessary original papers and evidence in the case specified by the appellant and the appellee, and inserted provision that the court may request that the Commissioner forward the original or certified copies of such documents during the pendency of the appeal. 1982—Pub. L. 97164 substituted “Court of Appeals for the Federal Circuit” for “Court of Customs and Patent Appeals”. 1975—Pub. L. 93596 substituted “Patent and Trademark Office” for “Patent Office”.

Statutory Notes and Related Subsidiaries

Effective Date of 2011 AmendmentAmendment by section 7(c)(3) of 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. Amendment by section 20(j) of 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, see section 20(l) of Pub. L. 11229, set out as a note under section 2 of this title.

Effective Date of 1999 AmendmentAmendment by section 1000(a)(9) [title IV, § 4605(d)] 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. 98620 applicable to proceedings pending in the Patent and Trademark Office on Nov. 8, 1984, and to appeals pending in the United States Court of Appeals for the Federal Circuit on such date, see section 414(c) of Pub. L. 98620, set out as a note under section 142 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.

Effective Date of 1975 AmendmentAmendment by Pub. L. 93596 effective Jan. 2, 1975, see section 4 of Pub. L. 93596, set out as a note under section 1111 of Title 15, Commerce and Trade.