District Court, D. Delaware August 20, 2012, Civ. No. 09-515-SLR (Asahi Glass Co. v. Guardian Industries Corp.)

MEMORANDUM OPINION

SUE L. ROBINSON, District Judge.

I. INTRODUCTION

On July 15, 2009, plaintiffs Asahi Glass Co., Ltd. and AGC Flat Glass North America, Inc. (collectively, “plaintiffs”) filed a complaint against Guardian Industries Corporation (“defendant”) alleging infringement of plaintiffs’ U.S. Patent Nos.