Reexamination Related Petitions

CRU – Central Reexamination Unit
OPLA – Office of Patent Legal Administration

Generally Available

Petition Type

Avg. Days Pending of Decided Petitions

Grant Rate Percentage

Deciding Office

ePetition Option

Extension of time in Ex Parte reexamination under 37 CFR 1.550 105 86% CRU  
Extension of time in Inter Partes reexamination under 37 CFR 1.956 NONE NONE CRU  
To expunge under 1.59 319 100% CRU
To review denial in Ex Parte reexamination under 1.515 73 100% CRU  
To the Director under 1.181 79 6% CRU
Under 1.182 64 4% CRU
For suspension of the rules under 1.183 55 6% CRU

*Infrequently Filed Petition

This is a 12 Month Rolling Average.

The data is current as of February 13, 2018 and will be updated when more data is available.