How does the USPTO determine if an applicant is entitled to the benefit of the foreign filing date?

The examiner generally does not examine the certified copy of the foreign priority application except to see that it contains no obvious formal defects and corresponds to the U.S. application. The examiner will consider the merits of the priority claim if: An intervening reference is found with an effective date between the foreign filing date…

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What are the requirements for accepting an unintentionally delayed claim for foreign priority?

The requirements for accepting an unintentionally delayed claim for foreign priority include: Filing a petition to accept a delayed claim for priority under 35 U.S.C. 119(a)-(d) or (f), 365(a) or (b), or 386(a) or 386(b). Submitting the priority claim in an application data sheet identifying the foreign application. Providing a certified copy of the foreign…

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Can the foreign priority application be filed by an assignee, legal representative or agent of the inventor?

Yes, the foreign application may have been filed by and in the name of the assignee or legal representative or agent of the inventor, as applicant. If the certified copy of the foreign application corresponds with the one identified in the U.S. application and no discrepancies appear, it may be assumed the U.S. application is…

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What does an examiner check when reviewing a claim to foreign priority?

When reviewing a claim to foreign priority, the examiner generally checks the following: That the papers contain no obvious formal defects That the papers correspond in number, date and country to the application identified in the application data sheet For original applications filed under 35 U.S.C. 111(a) and international applications entering the national stage under…

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