Mark D. Strachan

Mark D. Strachan

Of Counsel

Mark D. Strachan

Mark has 35 years of trial experience. He focuses on patent litigation, and his clients include inventors and companies in the fields of wireless communication, pharmaceuticals, medical devices, e-commerce and construction materials. Mark is a native of East Texas. Returning to his hometown after law school, Mark has been honored to know and represent farmers, machine shops, welders, builders, doctors, oil and gas producers, consumers, and businesses. He shared his knowledge of practical law by teaching as an adjunct professor at East Texas Baptist University in Marshall, Texas. In 2006, Mark joined Sayles Werbner to apply his trial experience to patent litigation as well as the firm’s complex commercial matters.

Representative Cases

  • Favorable U.S. Supreme Court ruling arising out of substantial jury verdict in a patent infringement case involving wireless technology.
  • Successful multidefendant settlements on behalf of inventor of e-commerce patents.
  • Successful defense of accused infringer of e-commerce patents.
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Honors And Awards

American Board of Trial Advocates, Associate since 2011
Texas Super Lawyers, Intellectual Property 2011, 2012, 2013, 2014, 2015, 2016, Thomson Reuters

Professional Background

Board Certified in Civil Trial Law by the Texas Board of Legal Specialization
State Bar of Texas
U.S. Supreme Court
U.S. Court of Appeals for the Federal Circuit
U.S. Court of Appeals for the Fifth Circuit
U.S. District Court for Eastern and Northern Districts of Texas
Texas State District Courts
Eastern District of Texas Bar Association
Dallas Bar Association
American Intellectual Property Law Association


University of Texas School of Law, J.D.
University of Texas at Tyler, M.B.A.
University of Texas, B.B.A. 

Speaking Engagements

“Commil USA v. Cisco,” Chicago-Kent College of Law Supreme Court IP Review, 2015
“Civility Matters,” Dallas Chapter of American Board of Trial Advocates, 2015
“Professionalism,” 2014 Texas Advance Patent Litigation Seminar, 2014
“Eastern District of Texas Practices,” Frommer Lawrence and Haug, 2013
“Reversed and Remanded,” Texas Lawyer Video Series, 2013


“Turning the Tables—Offers of Judgment Under Federal Rule 68,” Dallas Bar Association Headnotes, Sept. 2015