Denis is Barclay Damon’s Intellectual Property Practice Group leader and the co-team leader of the technology, medical devices, communications and networking technology, and emerging technologies teams. A nationally recognized intellectual property lawyer and registered patent attorney, Denis handles patent and trademark infringement disputes in federal district court and at the International Trade Commission, patent office proceedings such as inter partes reviews and reexaminations, and the preparation of patent and trademark applications.
His experience as both a patent litigator and patent prosecutor enables Denis to successfully challenge and defend patents under the America Invents Act before the US Patent and Trademark Office. Denis regularly serves as lead counsel in IPRs of patents involved in district court litigation.
His ability to provide clients with high-value intellectual property counsel is enhanced by his strong engineering background, which includes several years working as a licensed professional engineer. This technical experience enables Denis to handle patent matters across a wide variety of technologies and industries, including health care, telecommunications, semi-conductor manufacturing, and oil and gas.