Maintenance Fee Related Petitions

OPET – Office of Petitions

Generally Available

Petition Type

Avg. Days Pending of Decided Petitions

Grant Rate Percentage

Deciding Office

ePetition Option

521 - To Review Refusal to Accept and Record Maintenance Fee Filed on or after 8/27/82 (37 CFR 1.377)1430%*OPET 
533 - To Accept Unintentionally Delayed Payment of Maintenance Fee (37 CFR 1.378(b))11456%OPETePetition Available - Get Immediate DecisionsePetition Available - Get Immediate Decisions

*Infrequently Filed Petition

This is a 12 Month Rolling Average and excludes ePetitions.

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