Warren's practice encompasses the protection and licensing of intellectual property assets including trademarks, copyrights, patents, and trade secrets. He advises clients on technology issues including software, computers, the internet, electronic commerce and electronic communications. He also supports the firm's civil litigation matters which involve intellectual property issues.Warren has been one of the North Bay's leaders in intellectual property and technology law for many years. Since 2005 he has served on and supported the Executive Committee for the Intellectual Property Law Section of the California Lawyers Associations (formerly part of the State Bar of California). He was an officer from 2008 through 2011 including serving as the Section's Chair. In 1997, he founded the Intellectual Property and Technology Law Section for the Sonoma County Bar Ass'n. Warren has been active in the technology sector where he has served on the North Bay Technology Round Table, SofTECH and the Sonoma County Connectivity Council. Warren's other professional memberships include the Petaluma Chamber of Commerce, where he serves on its Board of Directors and Government Affairs Committee (Chair 2007 to 2009, 2018 to present).Warren has spoken about intellectual property at a number of venues ranging from conferences to colleges. He has been active in planning a broad range of intellectual property conferences including chair of the State Bar's 35th Annual IP Institute, the IP and the Internet Conference and the Copyright Office Comes to California Conference.Warren graduated magna cum laude from the University of San Francisco School of Law and served as an extern for the Hon. Armand Arabian of the California Supreme Court. He has a technology background, including a B.S. and M.S. in Mathematics / Computer Science (Highest Honors; Phi Beta Kappa), and seven years experience developing technology software in the aerospace industry.