Abandonment related petitions

IPLA – International Patent Legal Administration
ODM – Office of Data Management
OPET – Office of Petitions
TC – Technology Center

Generally available

Petition type

Average days pending of decided petitions

Median days pending of decided petitions

Grant rate percentage

Deciding office

ePetition option

502 - To revive an abandoned application-unintentional delay (37 CFR 1.137(a))  63 49 64% OPET ePetition Available - Get Immediate Decisions
510 - To accept late payment of issue fee - unintentional late payment (37 CFR 1.137(a)) 50 42 71% OPET ePetition Available - Get Immediate Decisions

525 - To withdraw a holding of abandonment (37 CFR 1.181) - Failure to receive an office action

525 - To withdraw a holding of abandonment (37 CFR 1.181) - Reply timely filed

71 49.5 64% OPET  
536 - Under 37 CFR 1.137(f) 117 126.5 71%* OPET ePetition Available - Get Immediate Decisions
561 - Revive abandoned application, continuity purposes only 86 54 76%* OPET ePetition Available - Get Immediate Decisions
650 - For express abandonment under 37 CFR 1.138(c)       ODM  
651 - For express abandonment under Rule 37 CFR 1.138(d) 28 28 100%* ODM  


Prior to examination

Petition type

Average days pending of decided petitions

Median days pending of decided petitions

Grant rate percentage

Deciding office

ePetition option

220 - To excuse a delay in a Hague application 13 13 0%* IPLA  
272 - To revive an abandoned international application - Unintentional delay 37 CFR 1.137(a) 61 44 89% IPLA  
273 - Withdrawal a holding of abandonment - 37 CFR 1.181 91 64 41%* IPLA  

529 - To withdraw a holding of abandonment in pre-exam status (37 CFR 1.181) - Failure to receive an office action

529 - To withdraw a holding of abandonment in pre-exam status (37 CFR 1.181) - Reply timely filed

93 82 27% OPET  
Please scroll to the top of this page to view other petition types that are available during this stage.

*Infrequently filed petition

Displayed are the 12-month rolling average and median values. When the median value is significantly different from the average value, the median value will better represent when a particular category of a 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 3, 2023, and is updated quarterly.