First Inventor to File (FITF) Resources

The first inventor to file (FITF) provision of the America Invents Act transitions the U.S. to a first-inventor-to-file system from a first-to-invent system and became effective on March 16, 2013. The provision introduced changes to 35 U.S.C. § 102 that impact patent prosecution directly.  This resource page gathers information about patent prosecution under the FITF system all in one place.

Examiner Training Materials

This section provides training materials developed for examiners.

Public Events

Rules and Guidance


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