Us Code § 2181 - Inventions relating to atomic weapons, and filing of reports

Full text of Us Code United States Code § 2181 — Inventions relating to atomic weapons, and filing of reports, with citation guidance and answers to common questions.

§ 2181. Inventions relating to atomic weapons, and filing of reports

(a) Denial of patent; revocation of prior patents

No patent shall hereafter be granted for any invention or discovery which is useful solely in the utilization of special nuclear material or atomic energy in an atomic weapon. Any patent granted for any such invention or discovery is revoked, and just compensation shall be made therefor.

(b) Denial of rights; revocation of prior rights

No patent hereafter granted shall confer any rights with respect to any invention or discovery to the extent that such invention or discovery is used in the utilization of special nuclear material or atomic energy in atomic weapons. Any rights conferred by any patent heretofore granted for any invention or discovery are revoked to the extent that such invention or discovery is so used, and just compensation shall be made therefor.

(c) Report of invention to Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office

Any person who has made or hereafter makes any invention or discovery useful in the production or utilization of special nuclear material or atomic energy, shall file with the Commission a report containing a complete description thereof unless such invention or discovery is described in an application for a patent filed with the Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office by such person within the time required for the filing of such report. The report covering any such invention or discovery shall be filed on or before the one hundred and eightieth day after such person first discovers or first has reason to believe that such invention or discovery is useful in such production or utilization.

(d) Report to Commission by Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office

The Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office shall notify the Commission of all applications for patents heretofore or hereafter filed which, in his opinion, disclose inventions or discoveries required to be reported under subsection (c), and shall provide the Commission access to all such applications.

(e) Confidential information; circumstances permitting disclosure

Reports filed pursuant to subsection (c) of this section, and applications to which access is provided under subsection (d) of this section, shall be kept in confidence by the Commission, and no information concerning the same given without authority of the inventor or owner unless necessary to carry out the provisions of any Act of Congress or in such special circumstances as may be determined by the Commission.

(Aug. 1, 1946, ch. 724, title I, §151, as added Aug. 30, 1954, ch. 1073, §1, 68 Stat. 943; amended Pub. L. 87–206, §§7–9, Sept. 6, 1961, 75 Stat. 477; renumbered title I, Pub. L. 102–486, title IX, §902(a)(8), Oct. 24, 1992, 106 Stat. 2944; Pub. L. 106–113, div. B, §1000(a)(9) [title IV, §4732(b)(18)], Nov. 29, 1999, 113 Stat. 1536, 1501A–585.)


Editorial Notes

Prior Provisions

Provisions similar to this section were contained in section 1811(a) of this title, prior to the general amendment and renumbering of act Aug. 1, 1946, by act Aug. 30, 1954.

Amendments

1999—Subsecs. (c), (d). Pub. L. 106–113 substituted "Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office" for "Commissioner of Patents".

1961—Pub. L. 87–206, §7, substituted provision concerning inventions relating to atomic weapons and filing of reports for provision relating to military utilization in section catchline.

Subsec. (c). Pub. L. 87–206, §8, struck out designation as cl. (1) of provision relating to production or utilization of special nuclear material or atomic energy and cls. (2) and (3) relating to utilization of special nuclear material in an atomic weapon and utilization of atomic energy in an atomic weapon, respectively, and substituted "the one hundred and eightieth day" for "whichever of the following is the later: either the ninetieth day after completion of such invention or discovery; or the ninetieth day".

Subsec. (e). Pub. L. 87–206, §9, added subsec. (e).


Statutory Notes and Related Subsidiaries

Effective Date of 1999 Amendment

Amendment by Pub. L. 106–113 effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, §4731] of Pub. L. 106–113, set out as a note under section 1 of Title 35, Patents.

Emergency Relief From Postal Situation Affecting Atomic Energy Cases

Excusal of delayed fees or actions affected by postal situation beginning on Mar. 18, 1970, and ending on or about Mar. 30, 1970, see note set out under section 111 of Title 35, Patents.

About This Section

42 U.S.C. § 2181 is part of Title 42 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 42 U.S.C. § 2181. 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

Source: official Us Code text · Last verified 2026-08-27

Frequently Asked Questions About Us Code § 2181

What does United States Code § 2181 cover?

Section 2181 ("Inventions relating to atomic weapons, and filing of reports") 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.

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Sources & Verification

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