DOUGLAS DYNAMICS, LLC v. BUYERS PRODUCTS CO.

No. 09-cv-261-wmc.

745 F.Supp.2d 876 (2010)

DOUGLAS DYNAMICS, LLC, Plaintiff, v. BUYERS PRODUCTS COMPANY, Defendant.

United States District Court, W.D. Wisconsin.

October 6, 2010.


Attorney(s) appearing for the Case

Aaron T. Olejniczak , George H. Solveson , Edward R. Williams , Andrus, Sceales, Starke & Sawall, Milwaukee, WI, for Plaintiff.

Mark Johnson , Todd R. Tucker , Renner Otto Boisselle & Sklar, Cleveland, OH, Andrew Clarkowski , Axley Brynelson, LLP, Madison, WI, for Defendant.


SUMMARY JUDGMENT OPINION AND ORDER ON INVALIDITY

WILLIAM M. CONLEY, District Judge.

This patent infringement action involves five patents related to the mounting of snowplows, as well as the hydraulic and electrical systems on snowplow assemblies. Plaintiff Douglas Dynamics, LLC alleges that defendant Buyers Products Company sells snowplow assemblies that infringe claims in all five patents. The court has already completed its claims construction and infringement...

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