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42 U.S. Code § 2185 - Prior art

In connection with applications for patents covered by this subchapter, the fact that the invention or discovery was known or used before shall be a bar to the patenting of such invention or discovery even though such prior knowledge or use was under secrecy within the atomic energy program of the United States.

(Aug. 1, 1946, ch. 724, title I, § 155, as added Aug. 30, 1954, ch. 1073, § 1, 68 Stat. 947; renumbered title I, Pub. L. 102–486, title IX, § 902(a)(8), Oct. 24, 1992, 106 Stat. 2944.)
Statutory Notes and Related Subsidiaries
Transfer of Functions

Atomic Energy Commission abolished and functions transferred by sections 5814 and 5841 of this title. See, also, notes set out under those sections.