As we wrote previously,
the Federal Circuit sitting en banc held that a patent
applicant can seek district court review of a PTO rejection of its
application without having to pay for the time the PTO's
attorneys spent on the case. See NantKwest, Inc. v.
Iancu, 898 F.3d 1177 (Fed. Cir. 2018) (en banc). On March 4,
the Supreme Court decided to take up this question. Iancu v.
NantKwest, Inc., No. 18-801, 2019 WL 1005844 (U.S. Mar. 4,
2019).
There are two ways to seek judicial review of a PTO rejection of
a patent or trademark application. The more common approach is to
take an appeal to the Federal Circuit, but the applicant can also
seek relief by civil action, in a de novo district-court
proceeding. A party who chooses to go to the district court is
statutorily required to pay "all the expenses" of the
proceeding. 35 U.S.C. § 145 (patents); 15 U.S.C. § 1071
(trademarks). If the party goes to the district court, then a
further patent appeal will go to the Federal