Patent Term Adjustment Petitions

OPET – Office of Petitions
OPLA – Office of Patent Legal Administration

Generally Available

Petition Type

Avg. Days Pending of Decided Petitions

Grant Rate Percentage

Deciding Office

ePetition Option

551 - Correction of Patent Term Adjustment Value After Issue20866%OPET 
552 - Reinstatement of Reduced Term (Rule 705 (c ))1840%*OPET 
553 - Filed for Patent Term Extension, Rule 7013100%*OPLA 

*Infrequently Filed Petition

This is a 12 Month Rolling Average.

The data is current as of April 1, 2022 and is updated quarterly.