the United States Government

“ In determining priority of invention under this subsection, there shall be considered not only the respective dates of conception and reduction to practice of the invention, but also the reasonable diligence of one who was first to conceive and last to reduce to practice, from a time prior to conception by the other. ”

“ Effective Date of 1972 Amendment Section 3 (b) of Pub. L. 92-358 provided that: “Section 2 of this Act [amending this section] shall take effect six months from the date when Articles 1 to 12 of the Paris Convention of March 20, 1883, for the Protection of Industrial Property, as revised at Stockholm, July 14, 1967, come into force with respect to the United States [Aug. 25, 1973] and shall apply to applications thereafter filed in the United States.” ”

“ The section has been changed so that the prior foreign patent is not a bar unless it was granted before the filing of the application in the United States.
Paragraph (e) is new and enacts the rule of Milburn v. Davis-Bournonville, 270 U.S. 390, by reason of which a United States patent disclosing an invention dates from the date of filing the application for the purpose of anticipating a subsequent inventor.
Paragraph (f) indicates the necessity for the inventor as the party applying for patent. ”