Five Snell & Wilmer Attorneys Ranked As 2023 IP Stars by Managing IP


PHOENIX – Snell & Wilmer is pleased to announce that attorneys John J. Dabney, Charles F. Hauff, Grant T. Langton, David E. Rogers, and Howard I. Sobelman have been ranked as IP Stars by Managing IP.  Managing IP is described as a premier news and analysis service for intellectual property professionals worldwide. According to the publication, IP Stars is the most comprehensive and widely respected IP guide in the legal profession. The firm’s attorneys were recognized for distinction in the areas of patents and trademarks. 

Dabney represents companies throughout the United States in trademark, copyright, false advertising, and unfair competition litigation. Before joining Snell & Wilmer, Dabney was head of McDermott, Will & Emery’s Trademark Litigation Group for more than a decade and has served as lead counsel in more than 100 federal court actions and in many cases before the Trademark Trial and Appeal Board. He consistently has been ranked as a top trademark litigator in the country by The Best Lawyers in America® (2016-2024), The Legal 500 (2007- 2020) and World Trademark Review (2011-2023). His clients include brand owners in a variety of industries, including food and beverage, medical devices, health care, sporting goods and resorts, household goods, financial services and more.

Hauff is one of the founders of the intellectual property (IP) group at Snell and Wilmer LLP, and practices in all aspects of IP including, litigation, prosecution, licensing, and other business transactions. He has technical experience in, among other fields, the chemical, biotechnical, mechanical, electromechanical, computer software, medical products, acoustics, and life sciences disciplines. Hauff has handled a variety of litigation matters for clients of varying sizes both in the United States and abroad. In addition, he has worked with a number of technology clients to develop creative strategies for protecting globally innovative technology from exercise and other mechanical devices to cutting-edge medical products and pharmaceuticals.

Langton is a partner in the firm's intellectual property group and serves as Chair of the intellectual property group in Los Angeles and Co-Chair of the intellectual property group in California. With over 25 years of experience handling patent prosecution, trademark prosecution, enforcement, licensing, and IP counseling Langton helps clients strategically develop, protect, maintain, and exploit their intellectual property assets both domestically and abroad.

Rogers is a registered patent attorney with over 20 years of experience. He practices patent, trademark, trade dress, trade secret and unfair competition law, including litigation and arbitration; trademark oppositions, cancellations, and domain name disputes; preparing manufacturing and technology contracts, and patent and trademark preparation and prosecution; patent and trademark clearance opinions.

Sobelman focuses his practice on intellectual property law, including patents, copyrights, trademarks, trade secrets, licensing, and due diligence. His practice includes blockchain technologies, big data, software, hardware, internet, business methods, aerospace, solar tracking, financial services, financial planning, insurance products, medical products, mechanical, biotechnology, fiber optics, holography, and various other technologies. In addition, Sobelman has worked with a number of clients to develop creative global protection strategies.

About Snell & Wilmer
Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 450 attorneys practicing in 16 locations throughout the United States and in Mexico, including Phoenix and Tucson, Arizona; Los Angeles, Orange County and San Diego, California; Denver, Colorado; Washington, D.C.; Boise, Idaho; Las Vegas and Reno, Nevada; Albuquerque, New Mexico; Portland, Oregon; Dallas, Texas; Salt Lake City, Utah; Seattle, Washington; and Los Cabos, Mexico. The firm represents clients ranging from large, publicly traded corporations to small businesses, individuals, and entrepreneurs. For more information, visit