Douglas Dynamics v. Buyers Products Company, No. 11-1291 (Fed. Cir. May 21, 2013)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Douglas Dynamics, LLC (Douglas ) sued Buyers Pro d- ucts Co. (Buyers) for infringement of several patents related to snowplow mounting assemblies . The United States District Court for the We stern District of Wisco n- sin granted summary judgment of non- infringement of U.S. Patent No. Re. 35,700 (’700 Patent) in favor of Bu y- ers. Douglas Dynamics, LLC v. Buyers Prods. Co. , 747 F. Supp. 2d 1063 (W.D. Wis. 2010) . Following a jury verdict that found U.S. Patent No. 5,353,530 (’530 Patent ) and U.S. Patent No.