Us Code § 291 - Derived patents

Full text of Us Code United States Code § 291 — Derived patents, with citation guidance and answers to common questions.

§ 291. Derived patents

(a) In General.—The owner of a patent may have relief by civil action against the owner of another patent that claims the same invention and has an earlier effective filing date, if the invention claimed in such other patent was derived from the inventor of the invention claimed in the patent owned by the person seeking relief under this section.

(b) Filing Limitation.—An action under this section may be filed only before the end of the 1-year period beginning on the date of the issuance of the first patent containing a claim to the allegedly derived invention and naming an individual alleged to have derived such invention as the inventor or joint inventor.

(July 19, 1952, ch. 950, 66 Stat. 814; Pub. L. 112–29, §§3(h)(1), 20(j), Sept. 16, 2011, 125 Stat. 288, 335.)

Historical and Revision Notes

Based on Title 35, U.S.C., 1946 ed., §66 (R.S. 4918, amended Mar. 2, 1927, ch. 273, §12, 44 Stat. 1337).

Language is changed.


Editorial Notes

Amendments

2011—Pub. L. 112–29, §20(j), struck out "of this title" after "146".

Pub. L. 112–29, §3(h)(1), amended section generally. Prior to amendment, text read as follows: "The owner of an interfering patent may have relief against the owner of another by civil action, and the court may adjudge the question of the validity of any of the interfering patents, in whole or in part. The provisions of the second paragraph of section 146 shall apply to actions brought under this section."


Statutory Notes and Related Subsidiaries

Effective Date of 2011 Amendment

Amendment by section 3(h)(1) of Pub. L. 112–29 effective upon the expiration of the 18-month period beginning on Sept. 16, 2011, and applicable to certain applications for patent and any patents issuing thereon, see section 3(n) of Pub. L. 112–29, set out as an Effective Date of 2011 Amendment; Savings Provisions note under section 100 of this title.

Amendment by section 20(j) of Pub. L. 112–29 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. 112–29, set out as a note under section 2 of this title.

Savings Provisions

Provisions of 35 U.S.C. 291, as in effect on the day before the expiration of the 18-month period beginning on Sept. 16, 2011, apply to each claim of certain applications for patent, and certain patents issued thereon, for which the amendments made by section 3 of Pub. L. 112–29 also apply, see section 3(n)(2) of Pub. L. 112–29, set out as an Effective Date of 2011 Amendment; Savings Provisions note under section 100 of this title.

About This Section

35 U.S.C. § 291 is part of Title 35 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.

This section may be cited in legal writing as 35 U.S.C. § 291. For the most current official text, including any recent amendments, use the official source links below. Do not rely on this page as the sole authority for legal citation or litigation.

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Sources

Frequently Asked Questions About Us Code § 291

What does United States Code § 291 cover?

Section 291 ("Derived patents") is part of the United States Code, the codified statutory law of Us Code. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Us Code § 291?

A common citation format is "United States Code § 291" (Us Code). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Us Code law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Us Code official source linked on this page or consult a licensed Us Code attorney.

How does Us Code § 291 apply to my situation?

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Sources & Verification

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