Advanced Cell Technology, Inc. (ACT) announced today the intent to appeal the decision of the Board of Patent Appeals and Interference, interference number 104,746, between itself and Geron Corporation (Nasdaq:GERN) to the U.S. District Court. Advanced Cell Technology disputes Geron Corporation’s claim that ACT’s patent at issue in the interference has been invalidated. An issued US patent is entitled to a presumption of validity until a final ruling. A final ruling in this case has not been made.
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