Patent Law FAQ

This FAQ answers all your questions about patent law, patent procedure, and the patent examination process.

The front page of a patent includes the following information regarding foreign priority claims:

  • The country of the foreign application
  • The filing date of the foreign application
  • The number of the foreign application

This information is included for applications where the bib-data sheet has been properly endorsed. As stated in the MPEP: “The front page of the patent when it is issued, and the listing in the Official Gazette, will refer to the claim of priority, giving the country, the filing date, and the number of the foreign application in those applications in which the bib-data sheet has been endorsed.” (MPEP 202)