Mercantile National Bank of Chicago v. Quest, Inc.

MEMORANDUM

GRANT, District Judge.

Plaintiffs, as patentees and licensees, under United States Letters Patent No. 3,115,138, bring this action for injunction and damages for infringement * against the manufacturing defendant, Quest, Inc., (Quest) and Paul E. Magers (Magers), its President and Chief Executive Officer. Plaintiffs charged that defendants’ infringement was willful and deliberate and seek treble damages.

By their answer, defendants denied the charge of infringement, alleged invalidity of plaintiffs’ patent, and denied enforceability by reason of alleged misuse. Defendants also…