Case Name: Custom Seal v. Duro-Last Roofing, Inc.
Docket Number: 2:12-cv-14579-AC-MJH
Date Filed: 10/16/2012
Judge: Hon. Avern Cohn
Custom Seal, Incorporated filed suit against Duro-Last Roofing, Inc. and Westfield Insurance Company for patent infringement. The United States of America is an intervened as a party. The patents at issue are U.S. Patent Nos. 4,652,321, 4,872,296, 4,848,045, and 4,909,135. The patents generally relate to prefabricated flat and low-sloped roofing systems used in the United States. While the case was filed on October 16, 2012, the parties stipulated to dismissal with prejudice on June 12, 2013.