Sanford Warren

Sanford E. Warren Jr.

Partner, Warren Rhoades LLP

Contact Info

Warren Rhoades LLP
1212 Corporate Drive, Suite 250
Irving, TX 75038
Phone: (972) 550-2955


Sanford Warren writes on intellectual property for

Mr. Warren practices complex patent litigation and patent prosecution in the biotechnology, chemical, semiconductor, and telecommunications fields. In addition, Mr. Warren is experienced in the areas of complex patent interferences, trademark oppositions and cancellations, and the management of worldwide trademark programs and international software licensing. Before becoming a partner at Warren & Kennedy, Mr. Warren was the head of the Intellectual Property Group of Gardere Wynne Sewell, LLP and served as intellectual property counsel for American Airlines, Inc.

Mr. Warren is admitted to practice before the U.S. Patent and Trademark Office, the U.S. Court of Appeals for the Federal Circuit, the U.S. District Court for the Eastern, Northern, Southern, and Western Districts of Texas, and the U.S. Claims Court. He is a member of the State Bar of Texas, the American and Dallas Bar Associations, and the International Trademark Association (INTA).

Mr. Warren earned his JD degree, cum laude, in 1987 from Tulane Law School. He received his BS degree in chemistry, cum laude, in 1983 from Millsaps College.

Expert Commentary

Date Article
Sep 2022 Starting a Podcast? Consider the Risks
Jul 2022 Is Your Brand Protected?
Jul 2021 Forum Selection: Appealing a Trademark Trial and Appeal Board Decision
Sep 2018 Update on Alice and Motions To Dismiss
Sep 2014 Supreme Court Clarifies Induced Infringement: A Defendant Cannot Be Liable for Inducing Infringement Where No One Has Directly Infringed
Jul 2014 Looking To Transfer Venue
Apr 2014 Texas Adopts the Uniform Trade Secrets Act
Jan 2014 Patentees Beware: Trial Win Doesn't Equal Permanent Injunction
Nov 2013 Court Expands Defenses to Indirect Infringement
Jul 2012 Willful Patent Infringement after
Mar 2012 A New Domain: Protecting Your Trademarks in ICANN's Expanded Domain Name System
Oct 2011 Patent Reform 2011: The Implications of the Leahy-Smith America Invents Act
Jun 2011 Copyright Infringement Risks Associated with Using Social Media
Apr 2011 Protect Assets and Limit Liability: Three Things To Consider When Launching a New Product
Aug 2010 Business Method Patents in the Wake of
Apr 2010 Patent Marking in Light of
Sep 2009 Intellectual Property Litigation Rising: How to Protect Your Company's Financial Health
Feb 2009 Transfer of Venue in the Eastern District of Texas
Nov 2008 Opinion of Counsel after
Sep 2008 Supreme Court Weighs in on Patent Issues
May 2008 Willful Infringement after
Feb 2008 Prospects for Patent Reform in 2008 and Beyond
Nov 2007 Trade Secret Protection: Good Risk Management
Aug 2007 Protecting Analysis: Patents in the Insurance Industry
May 2007 Active Inducement of Infringement: Proof of Knowledge of a Patent Is Required
Feb 2007 Rethinking Trademark Litigation
Dec 2006 Recent Copyright Case: No CGL Coverage
Aug 2006 Graham v. USI MidAtlantic
Apr 2006 "To Use or Not To Use, That Is the Question"
Jan 2006 Liability for Infringing Acts
Nov 2005 The Dangers of Delay in Filing Patent Applications
Jul 2005 Are Technical Documents Privileged?
Mar 2005 Avoiding Willful Infringement in Intellectual Property Litigation (Part 3)
Nov 2004 Shhhhhhh…Don't Tell Anyone—It's a (Trade) Secret
Aug 2004 Does the Typical CGL's "Advertising Injury" Coverage Extend to IP Claims?
May 2004 Avoiding Willful Infringement in Intellectual Property Litigation (Part 2)
Feb 2004 Avoiding Willful Infringement in Intellectual Property Litigation (Part 1)
Oct 2003 Can I Sue a Foreign Company Whose Only U.S. Presence Is a Well-Insulated Subsidiary?
Jun 2003 Where the Rubber Meets the Road—Intentional Trademark Infringement and Insurance Coverage
Mar 2003 The Question of Work for Hire: "I Paid for It. Why Isn’t It Mine?"
Jan 2003 Method and Apparatus for Beating the Competition
Jun 2002 Everything You
Mar 2002 Anything You Say (or Do) Can and Will be Held Against You in a Court of Law
Nov 2001 Claims?? We Don't Need No Stinkin' Claims!!! (Or Do We?)
Aug 2001 What Does the Word "Comprising" Mean, and Why Should I Care?
May 2001 Intellectual Property Coverage: Are You Naked?
Mar 2001 Bigfoot and the Cybersquatters
Oct 2000 Copyright Infringement Pitfalls in the Online Arena