Court of Appeals of Washington April 29, 2004, No. 21576-8-III (Auto Sox USA, Inc. v. Zurich North America)

Kurtz, J.

William Elmer sued Auto Sox USA, Inc., for patent infringement. Auto Sox tendered the claim to its insurance company, Northern Insurance Company of New York, Inc. It claimed coverage as an “advertising injury.” Northern denied coverage. Auto Sox then sued Northern and its parent company, Zurich North America.