Judge Stark did not believe that Acufloor's representations during prosecution sufficed to overcome clear indications from the specification that mortar is not required to reach the very edge of the tile to meet Acufloor's asserted claims.
The U.S. Court of Appeals for the Federal Circuit reversed the district court's claim construction, concluding that 'runtime engine' should encompass broader functionality than previously interpreted.
The Board addressed how a petitioner canât contradict its claim construction in IPR proceedings when it previously argued means-plus-function in district litigation.