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 Issue22265%OPET 
552 - Reinstatement of Reduced Term (Rule 705 (c ))1840%*OPET 
553 - Filed for Patent Term Extension, Rule 7018175*OPLA 

*Infrequently Filed Petition
 

This is a 12 Month Rolling Average.

The data is current as of January 3, 2022 and is updated quarterly.