Patents and technical information

Whenever, in connection with the furnishing of assistance under this chapter— Before suit against the United States Government has been instituted, the head of the agency of the United States Government concerned may settle and pay any claim arising under the circumstances described in subsection (a) of this section. No claim may be paid under this subsection unless the amount tendered is accepted by the claimant in full satisfaction. Funds appropriated pursuant to this chapter shall not be expended by the United States Government for the acquisition of any drug product or pharmaceutical product manufactured outside the United States if the manufacture of such drug product or pharmaceutical product in the United States would involve the use of, or be covered by, an unexpired patent of the United States which has not previously been held invalid by an unappealed or un­appealable judgment or decree of a court of competent jurisdiction, unless such manufacture is expressly authorized by the owner of such patent.