(a) INFRINGER'S CIVIL ACTION.- (1) POST-GRANT REVIEW BARRED BY CIVIL ACTION.-A post-grant review may not be instituted under this chapter if, before the date on which the petition for such a review is filed, the petitioner or real party in interest filed a civil action challenging the validity of a claim of the patent. (2) STAY OF CIVIL ACTION.-If the petitioner or real party in interest files a civil action challenging the validity of a claim of the patent on or after the date on which the petitioner
(a)Scope. Part 42 governs proceedings before the Patent Trial and Appeal Board. Sections 1.4 , 1.7 , 1.14 , 1.16 , 1.22 , 1.23 , 1.25 , 1.26 , 1.32 , 1.34 , and 1.36 of this chapter also apply to proceedings before the Board, as do other sections of part 1 of this chapter that are incorporated by reference into this part. (b)Construction. This part shall be construed to secure the just, speedy, and inexpensive resolution of every proceeding. (c)Decorum. Every party must act with courtesy and decorum