Brian J. Winterfeldt is a partner in the Washington, D.C. and New York offices of Mayer Brown LLP,  and co-Head of the Firm's Global Brand Management and Internet Practice. His practice involves most aspects of intellectual property law, including domestic and international trademark counseling, clearance, prosecution, enforcement, and litigation, as well as trade dress and domain name issues.
His job responsibilities includes significant work in domain name law and new media counseling and enforcement, including assisting clients with the management of their domain name portfolios and securing domain names that incorporate clients' trademarks through the Uniform Dispute Resolution Policy and other similar processes for foreign domain names. . He has also counseled clients on cutting edge issues such as social media and Web 2.0, including strategies for brand promotion and protection in these spaces.
Brian Winterfeldt has a B.A. in Art History from Emory University, a M.A. in Latin American Studies, and a J.D. from Georgetown University Law Center. He has written a number of articles on trademark law and has been selected for the past several years to serve as a reviewer for the Saul Lefkowitz Moot Court Competition by the International Trademark Association. Mr. Winterfeldt is a prominent and frequent speaker at industry events on topics including trademark issues and social media.
Associate, Manelli Denison and Selter, 1998-2000.
Associate, Dow Lohnes, 2000-2002.
Of Counsel, Mintz Levin, 2002-2005.
Partner, Ballard Spahr Andrews & Ingersoll LLP, 2005-2009.
Partner, Steptoe & Johnson LLP, 2009-2013.
Partner, Head of Internet Practice Group, Katten Muchin Rosenman LLP, 2013–2015
Partner, Co-Head of the Global Brand Management and Internet Practice, Mayer Brown LLP, 2015-Present