Mertens Intellectual Property Lawyers

Leslie D. Ware is a Dallas based lawyer specializing in patent management and licensing.

Former Fortune 100 corporate lawyer provides cost-effective legal services to entrepreneurs, startups and small businesses.

General Counsel

Martin Robson is a founding partner at Charhon Callahan Robson & Garza. He represents foreign and domestic companies engaged in complex commercial and patent litigation in federal and state courts nationwide.

Theresa Dawson is Senior Counsel a Carter Arnett. Theresa’s practice is focused primarily on high stakes intellectual property and complex commercial litigation. Theresa has represented numerous clients in federal courts around the country in intellectual property disputes involving a wide range of technologies, including e-commerce, computer software, encryption, telecommunications, network architecture, and mobile applications. Theresa’s intellectual property litigation practice has also involved multiple appeals, including arguing cases before the United States Court of Appeals for the Fifth and Federal Circuits. Theresa was previously Of Counsel at the Dallas office of Fish & Richardson P.C., where she represented clients in complex patent...

Mr. Hulsey has practiced Patent and Trademark Law for 35 years and serves inventors and entrepreneurs in the Southeast United States, focusing principally in Texas, Oklahoma, Arkansas, Tennessee, Mississippi, Alabama, and Louisiana. He has prosecuted and obtained patents and trademarks for this region’s most aspiring and amazing inventors, entrepreneurs, and dreamers who are dedicated to making the world a better place. He is committed to manifesting a perpetual virtuous cycle of innovation and entrepreneurial growth spurring intellectual property growth, which in turn encourages fair, reasonable, collaborative commercialization and to further yet more regional innovation, entrepreneurial growth, and prosperity. Over the years,...

Every day, people come to our law firm on their personal or professional darkest day. Generally speaking, this sense of dread is simply due to being overwhelmed by the situation before them. As a lawyer, being able to shoulder our client's burdens and guide them through the litigation process is extremely rewarding. A native of Fort Hood, Texas, I have built a national litigation practice based on my deep Texas roots. Practicing since 2013, I represent clients across Texas and nationwide facing complex business and intellectual property litigation, including non-compete violations, breach of contract matters, and fraud and misrepresentation. Whether it's...

Brian Elliott - Austin Business Lawyer - is an experienced business and technology attorney based in Austin, Texas. Brian focuses his law practice on business transactions, intellectual property, cybersecurity and data privacy, finance and real estate. In addition to private practice of law, Brian has spent many years as an in-house general counsel in private equity, software, cloud technology, eCommerce and fashion and apparel sectors. In addition, Brian has represented his in-house and private practice clients in offensive and defensive commercial and complex civil litigation matters, including patent infringement, patent misuse, misappropriation of trade secrets, anti-trust, deceptive trade...

Dana Andrew LeJune was born in Beaumont, Texas in 1956 into a Cajun, rice sharecropping family. He graduated from French High School there in 1975. In 1976 he began his undergraduate studies at the University of Texas at Austin, and received his B.A. in History three years later. He taught Government and History at French High School through May, 1979, when he began law school.

Mr. LeJune attended South Texas College of Law and graduated with a J.D. in December, 1982, after having published a maritime law article in the August, 1982 South Texas Law Journal. He took the February, 1983...

When it comes to protecting your intellectual property, experience matters. Katz Law Group, led by Gary Katz, a licensed patent attorney with 23 years of experience, has the experience you deserve. This experience includes ten years in-house with ExxonMobil and over a dozen years working for law firms including small and large firms. Gary has filed and prosecuted several hundred patents for technology startups, mid-size companies as well as several large NYSE companies. Gary is also the Founder & CEO of a cleantech company that is using patented technology to solve our freshwater resource problems. This...

Robert Z. Cashman provides nationwide legal representation for patent litigation matters on a contingency fee basis. He is licensed to practice law in Texas, in New York, and before the US Patent & Trademark Office. Robert is the owner of the Cashman Law Firm, PLLC which helps individuals and small businesses create their business, establish and protect their inventions, and preserve their assets against foreclosure and if necessary, bankruptcy.

Since 2010, Robert has focused his practice on defending accused bittorrent downloaders in copyright infringement lawsuits filed in federal courts across the US. Most recently, cases represented by the Cashman...

Feras Mousilli is a founding partner of Lloyd & Mousilli and regularly advises business clients on a range of technology law issues. He specializes in counseling technology companies from start-ups in their early formation and development, through support of multi-billion dollar business operations of the largest companies in the world.

Mr. Mousilli has served as Senior Corporate Counsel for both Apple Inc. and Dell Inc., where he counseled clients on product development and intellectual property matters, including advertising & marketing, copyright, and trademark strategies and risks. Prior to serving as corporate counsel, Mr. Mousilli practiced with DLA Piper in the intellectual...

Texas business attorney, Charles M.R. Vethan, earned his Doctor of Jurisprudence at Southern Methodist University School of Law in Dallas, Texas, and a Bachelor of Science from the University of Alberta, Canada. Mr. Vethan served as an editor for The International Lawyer, as well as authored articles on international letters of credit, the role of insurance defense counsel in complex litigation matters, and Implied Licenses in Copyrights. He also presented courses through the National Business Institute to attorneys and CPAs on corporate structure and governance. Mr. Vethan is one of less than 20 attorneys practicing in Texas who are...