37 C.F.R. § 42.203
Post-grant review fee.
(a) A post-grant review fee set forth in § 42.15(b) must accompany the petition.
(b) No filing date will be accorded to the petition until full payment is received.
(a) A post-grant review fee set forth in § 42.15(b) must accompany the petition.
(b) No filing date will be accorded to the petition until full payment is received.