Information about proceedings conducted by the Patent Trial and Appeal Board (PTAB), including inter partes review, post-grant review, the transitional post-grant review for covered business method patents, derivations, and interferences.


Proposed changes

Possible revisions to AIA trial proceedings for public comment

Representative orders, decisions and notices

Orders, decisions and notices from representative AIA trials 

Statutes and rules

America Invents Act (AIA) trials, statutes, and rules; amendments to the rules; reference guide to statutes; and final rules and the practice guide


Resources for interference practice

AIA trial types

Comparisons and descriptions of AIA trial types


AIA trial statistics


Hearing procedures and calendars

PTAB End to End

Tools for filing or searching AIA cases


Guidance for conducting trial proceedings


Frequently asked questions about trials




Please send suggestions regarding the trials process to the Board at