( February 11, 2025, 1:55 PM EST) -- WASHINGTON, D.C. — A Delaware federal judge was wrong to dismiss a patent infringement claim against Groupon Inc., a Federal Circuit U.S. Court of Appeals panel held Feb. 10; the panel said that prior decisions of the U.S. Patent Trial and Appeal Board (PTAB) cannot estop a patent holder from asserting infringement arguments based on other patent claims that were not considered by the board....