In this patent infringement action, the defendant moved to compel the production of settlement license agreements as part of its reasonable royalty analysis. The plaintiff opposed the request on the grounds that the agreements were protected by the common interest privilege and were not relevant.
The district court disagreed.
Turning to the issue of common interest, the district court explained that “[t]he protection of communications among clients and attorneys ‘allied in a common legal cause’ has long been recognized” and “has previously arisen in connection with patent rights.” In re Regents of University of California, 101 F.3d 1386, 1389 (Fed. Cir. 1996). In patent cases, “the Federal Circuit has required the entities exchanging the privileged material to have a substantially identical legal interest, as opposed to a solely commercial interest.” High Point SARL v. Sprint Nextel Corp., No. 09-2269-CM-DJW, 2012 WL 234024, at *7 (D. Kan. Jan. 25, 2012) (citing In re Regents, 101 F.3d at 1389). “An exception to the assertion of the common interest privilege exists when the participants in the common interest become adverse to each other in litigation.” Dexia Credit Local v. Rogan, 231 F.R.D. 287, 295 (N.D. Ill. 2005). Continue reading