Rohm and Haas Co. v. Dawson Chemical Co.

MEMORANDUM AND ORDER

CARL O. BUE, Jr., District Judge.

I. Introduction

On October 27, 1982 this Court, sitting without a jury held claims 1-3, 6, and 8-12 of the U.S. Patent No. 3,816,092 (RH Patent or Wilson Patent), issued June 11,1974, to Rohm and Haas Company as the assignee of the inventors, for “Herbicidal 3, 1 — dichloroanilides,” valid and infringed by Crystal Chemical Company and Joe C. Eller (collectively Crystal). 1 This Court ruled that misrepresentations and/or omissions by Rohm and Haas to the U.S. Patent and Trademark Office (PTO) during the prosecution of the Wilson Patent were…