Dennis D. Brown is a registered patent attorney who has been helping clients in Oklahoma and clients from other states and internationally with their intellectual property needs for more than 27 years. Dennis' areas of practice include patents, trademarks, copyrights, trade secrets, litigation, licensing, infringement and invalidity analyses, opinion writing, and due diligence related to the purchase and sale of intellectual property assets and businesses.
Mark Selwyn is a partner in the Litigation/Controversy Department, co-chair of the Intellectual Property Litigation Practice Group and a member of the firm's Management Committee. He joined the firm in 1994. Mr. Selwyn’s practice focuses on intellectual property litigation. Major corporations have relied on him to litigate biomedical, electrical, chemical, mechanical, and business method patents involving a diverse array of technologies, including wireless communications, electronic commerce, digital cameras, solid state disk drives, location sensing, biosensors, water and wastewater filtration, integrated circuits and angioplasty catheters. He has represented clients in dozens of patent and other intellectual property cases in federal courts throughout the country and before the International Trade Commission (ITC). Mr. Selwyn counts among his clients many of Silicon Valley’s most prominent technology companies.
Justin has the experience, education, and acumen to help you protect your intellectual property (IP) and to develop a strategy that works for your budget, risk tolerance, and future goals. Justin leads the intellectual property group at Dunkiel Saunders, which assists clients in all areas of IP, including patenting inventions and designs, protecting brands (trademarks, service marks, and design marks), litigating intellectual property infringement disputes, negotiating intellectual property agreements, as well as advising on copyrights and trade secret protection. He works with each of his clients, whether an individual, start-up, or mature business, to develop an IP strategy tailored to their specific needs, starting with IP identification and application strategies for those newer to IP and robust global protection strategies for others. In all cases, Justin uses his business and consulting experience to help clients identify and pursue a cost-effective, goal-oriented, solution to their IP needs.
