66
STAT.]
PUBLIC LAW 2 5 6 - F E B. 1, 1952
representatives, in full settlement for the damage and/or use. This settlement agreement shall be conclusive for all purposes notwithstanding any other provision of law to the contrary. If full settlement of the claim cannot be effected, the head of the department or agency may award and pay to such applicant, his successors, assigns, or legal representatives, a sum not exceeding 75 per centum of the sum which the head of the department or agency considers just compensation for the damage and/or use. A claimant may bring suit against the Suit by claimant. United States in the Court of Claims or in the District Court of the United States for the district in which such claimant is a resident for an amount which when added to the award shall constitute just compensation for the damage and/or use of the invention by the Government. The owner of any patent issued upon an application that was subject to a secrecy order issued pursuant to section 1 hereof, who did not apply for compensation as above provided, shall have the right, after the date of issuance of such patent, to bring suit in the Court of Claims for just compensation for the damage caused by reason of the order of secrecy and/or use by the Government of the invention resulting from his disclosure. The right to compensation for use shall begin on the date of the first use of the invention by the Government. I n a suit under the provisions of this section, and in negotiations concerning settlement of a claim, the United States may avail itself of all defenses it may plead in an action under title 28, United States Code, section 1498, as amended. This section shall not 62 Stat. 941. confer a right of action on anyone or his successors, assigns, or legal representatives who, while in the full-time employment or service of the United States, discovered, invented, or developed the invention on which the claim is based. Filing SEC. 4. Except when authorized by a license obtained from the cation inof appliforeign Secretary of Commerce a person shall not file or cause or authorize to coli»^y,"etc' be filed in any foreign country prior to six months after filing in the United States an application for patent or for the registration of a utility model, industrial design, or model in respect of an invention made in this country. A license shall not be granted with respect to an invention subject to an order issued by the Secretary of Commerce pursuant to section 1 hereof without the concurrence of the head of the departments and the chief officers of the agencies who caused the order to be issued. The license may be granted retroactively where an application has been inadvertently filed abroad and the application does not disclose an invention within the categories prescribed under section 1 hereof. The term "application" when used in this Act includes applications "Application." and any modifications, amendments, or supplements thereto, or divisions thereof. SEC. 5. Notwithstanding any other provisions of law any person, and his successors, assigns, or legal representatives, shall not receive a United States patent for an invention if that person, or his successors, assigns, or legal representatives shall, without procuring the license prescribed in section 4 hereof, have made, or consented to or assisted another's making, application in a foreign country for a patent or for the registration of a utility model, industrial design, or model in respect of the invention. A United States patent issued to such person, his successors, assigns, or legal representatives shall be invalid. SEC. 6. Whoever, during the period or periods of time an invention Penalty c l a u s e. has been ordered to be kept secret and the grant of a patent thereon withheld pursuant to section 1 hereof, shall, with knowledge of such order and without due authorization, willfully publish or disclose or authorize or cause to be published or disclosed the invention, or mate-
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