37 CFR § 1.958 - Petition to revive inter partes reexamination prosecution terminated for lack of patent owner response.

If a response by the patent owner is not timely filed in the Office, a petition may be filed pursuant to § 1.137 to revive a reexamination prosecution terminated under § 1.957(b) or limited under § 1.957(c) if the delay in response was unintentional.

[78 FR 62408, Oct. 21, 2013]