On Patent Damages and Apportionment In two recent cases, the U.S. Court of Appeals for the Federal Circuit provided important guidance when applying apportionment principles to calculate reasonable royalty damages.  See Finjan, Inc. v. Blue Coat Systems, Inc., 879 F.3d 1299 (Fed. Cir. 2018); Exmark Mfg. Co. v. Briggs & Stratton Power Products Group, LLC, 879 F.3d 1332 (Fed. Cir. 2018).  The Federal Circ ...