Maintenance Fee Related Petitions

OPET – Office of Petitions

Generally Available

Petition Type

Average Days Pending of Decided Petitions

Median 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)701633%*OPET 
533 - To Accept Unintentionally Delayed Payment of Maintenance Fee (37 CFR 1.378(b))1128460%OPETePetition Available - Get Immediate DecisionsePetition Available - Get Immediate Decisions

*Infrequently Filed Petition

Displayed are 12 month rolling average and median values. When the median value is significantly different than the average value the median value will provide a better representation of when a particular category of petition has been decided. This is because a small number of outliers can disproportionately impact the average value. The values exclude ePetitions.

The data is current as of April 1, 2024, and is updated quarterly.