MENLO PARK, Calif.--(BUSINESS WIRE)--Geron Corporation (Nasdaq: GERN) announced that the Enlarged Board of Appeals of the European Patent Office (EPO) has issued a decision in case G0002/06, which was an appeal by the Wisconsin Alumni Research Foundation (WARF) against the rejection of claims in WARF’s European Patent Application No. 96903521.1. The claims of the application pertain to the first isolation of human embryonic stem cells (hESCs) by Dr. James Thomson at the University of Wisconsin.