2241 Time for Deciding Request Filed under 35 U.S.C. 302 [R-07.2015]
The determination of whether or not to reexamine must be made within 3 months following the filing date of a request. See 35 U.S.C. 303(a) and 37 CFR 1.515(a). If the 3-month period ends on a Saturday, Sunday, or federal holiday within the District of Columbia, then the determination must be mailed by the preceding business day. See the last portion of MPEP § 2240 and also see MPEP § 2283 for multiple copending reexamination proceedings. A determination to reexamine may be made at any time during the period of enforceability of a patent.