No. 91-1088. March 10, 1993. Jack E. Haken, U.S. Philips Corp., Tarrytown, NY, argued, for appellant. Fred E. McKelvey, Sol., Office of the Sol., Arlington, VA, argued, for appellee. With him on the brief, was Lee E. Barrett, Associate Sol. Appeal from the Patent and Trademark Office Board of Patent Appeals and Interferences. Before ARCHER, PLAGER, and RADER, Circuit Judges. ARCHER, Circuit Judge. Johannes R. Van Geuns appeals from the September 25, 1990 decision of the Patent and Trademark Office
(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