With no explanation, chose the best option from "A", "B", "C" or "D". contrary terms, stating that “rotation about the axis established by bolt 272 is not permitted; gearbox 85A cannot pivot in a plane perpendicular to the biaxial plane.” ’220 patent, col. 11, 11. 48-51 (emphases added). Allen argues that one of skill in the art would understand that the term “perpendicular” in the claim should be read to mean “parallel.” Allen stretches the law too far. It is not our function to rewrite claims to preserve their validity. Rhine v. Casio, Inc., 183 F.3d 1342, 1345, 51 USPQ2d 1377,1379 (Fed.Cir.1999). We are simply tasked with determining whether the claims “particularly point[ ] out and distinctly claim[]” what the inventor regards as his invention. 35 U.S.C. § 112, paragraph 2; see also In re Zletz, 893 F.2d 319, 322, 13 USPQ2d 1320, 1322 (Fed.Cir.1989) (<HOLDING>). Moreover, it is of no moment that the

A: holding that claims including constitutional claims must be asserted in trial court to be raised on appeal
B: recognizing that the winter court rejected the ninth circuit sliding scale test because it was too lenient
C: holding that claims failing this test during prosecution must be rejected under  112 paragraph 2
D: holding that the strickland test applies to claims  that counsel was constitutionally ineffective for failing to file a notice of appeal
C.