37 CFR 42.200 : Patents, Trademarks, And Copyrights (Section 2.11 To Chapter V) — United States Patent And Trademark Office, Department Of Commerce (Parts 1 - 199) (Section 2.11 To Parts 151-199) — Unknown Title (Parts 2 - 90) (Section 2.11 To Section 90.3) — Trial Practice Before The Patent Trial And Appeal Board (Section 42.1 To Section 42.407) — Post-Grant Review (Section 42.200 To Section 42.224) — General (Part 42) (Section 42.200 To Section 42.224) — Procedure; pendency.

(a) A post-grant review is a trial subject to the procedures set forth in subpart A of this part.

(b) A claim in an unexpired patent shall be given its broadest reasonable construction in light of the specification of the patent in which it appears.

(c) A post-grant review proceeding shall be administered such that pendency before the Board after institution is normally no more than one year. The time can be extended by up to six months for good cause by the Chief Administrative Patent Judge, or adjusted by the Board in the case of joinder.

(d) Interferences commenced before September 16, 2012, shall proceed under part 41 of this chapter except as the Chief Administrative Patent Judge, acting on behalf of the Director, may otherwise order in the interests-of-justice.