Intellectual Property Law Firm
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Doug Elliott

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Doug Elliott is an attorney with over 25 years of experience practicing intellectual property law.

Mr. Elliott has extensive litigation experience involving a wide range of intellectual property disputes, representing both plaintiffs and defendants, in federal and state court, for claims involving patents, trademarks, copyrights, unfair competition, false advertising, trade secrets, and breach of contract. For more information about specific litigation matters, please see the list of Representative Cases.

Registered to practice before the United States Patent and Trademark Office (USPTO) since 1987, Mr. Elliott also has extensive experience in patent procurement, including preparing and prosecuting applications filed in the USPTO and supervising the prosecution of applications in foreign countries. He has also handled post-grant proceedings in the USPTO including inter partes review (IPR) and covered business method (CBM).

His extensive trademark practice includes applying for and securing federal and Texas registrations of trademarks and service marks, as well as representing clients in federal and state court, and in trademark opposition and cancellation proceedings in the USPTO.


Over the past 25 years his experience includes legal representation for a wide range of technologies and businesses, including downhole tools, surgical procedures, drones, high-speed submersible pumps, methods for making artificial organ models, water treatment systems, semantic software models and electronic document delivery, location systems using global positioning (GPS), hydraulic fracturing, 3-D printing, welding enclosures, gas and steam turbines, proppants, medical payment systems, website designs, credit card processing, seismic processing, polymer liners for downhole wells, oilfield chemicals, pipe markers, high pressure ball valves, funeral home websites, directional drilling, measurement-while-drilling (MWD) systems, power tongs, remotely operated underwater vehicles (ROVs), subsea assemblies for production platforms, roof assemblies, industrial buildings, bilirubin testing, basic chemicals, fertilizers, surfactants, functionalized polyethylenes, laminates, adhesives, polypropylene blends, polyphenylene sulfide, metallocene catalysts, high speed cable modems, filters, semiconductors, monoclonal antibodies, stents and prosthetics.

His clients include domestic and foreign companies. Mr. Elliott began his career with Arnold, White, and Durkee. He is fluent in Spanish. Mr. Elliott's patent practice also includes freedom-to-operate opinions based on non-infringement and/or invalidity.

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  • University of Tulsa College of Law, received Juris Doctorate in 1986.
  • University of Tulsa, received B.S. in Chemical Engineering in 1983.


  • Elliott Law PLLC (2021)
  • Elliott & Polasek, PLLC (2013-2020)
  • Polasek, Quisenberry & Errington, LLP (2011-2013);
  • Martin, Disere, Jefferson & Wisdom, LLP (2008-2011);
  • Patterson & Sheridan, LLP (2000-2008);
  • Tobor, Goldstein & Healey (1996-2000);
  • Arnold, White & Durkee (1986-1995).


  • Texas Super Lawyer, by Thomson-Reuters, 2011-20
  • Super Lawyer recipient 5 years in a row¬†
  • AV Preeminent Rating, by Martindale-Hubbell
  • AVVO Rated Excellent, by Martindale-Hubbell
  • College of the State Bar, former member
  • Tulsa Law Journal
  • Highest Grades (American Jurisprudence Award) in Constitutional Law and Administrative Law
  • Order of Barristers


  • Fifth Circuit Court of Appeals
  • Court of Appeals for the Federal Circuit
  • Southern District of Texas
  • Eastern District of Texas
  • Court of Federal Claims
  • State Bar of Texas
  • United States Patent and Trademark Office

Why Turn to Our Firm?

  • High-Quality Legal Services
  • Experienced & Dedicated Attorneys
  • Personalized Representation
  • A Solution-Oriented Approach
  • Complimentary Case Evaluations
  • Proven Courtroom Results
  • Flexible Fees & Reasonable Rates
  • 25+ Years of IP & Litigation Experience

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