Wabtec’s Misstep in Patent Challenge Highlights Need for Independent Claim Interpretation
In a recent decision, Westinghouse Air Brake Technologies Corp. (Wabtec) found its challenges to Railware Inc.’s railway traffic control patents curtailed by a failure to independently establish its claim constructions. The U.S. Patent and Trademark Office (USPTO) Director, John Squires, noted the company’s reliance on other parties’ claim constructions as a critical factor that undermined…