• District of Columbia
  • U.S. Patent and Trademark Office
  • United States Court of Appeals for the District of Columbia Circuit
  • United States Court of Appeals for the Federal Circuit


  • George Washington University Law School, JD
  • University of Wisconsin-Platteville, BA
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Mark Thronson


Washington, DC v. +1.202.420.4742 f. +1.202.420.2201

Mark Thronson has 32 years of successful experience in virtually every aspect of patent law, including patent litigation (cases involving hundreds of millions of dollars), patent post-grant proceedings, alternative dispute resolution, patent prosecution, opinions/counseling, and patent licensing.

Mr. Thronson has represented many of the world’s largest and most important companies in a wide range of technologies, including electronics, image/data processing, semiconductors, networks, optical fiber, optical disks/drives, aquaculture, audio equipment, batteries, bioinformatics, biotechnology, cameras, electroplating, desalination, geotechnology, imagers/copiers, document management, lighting, nuclear medicine, tomography, industrial designs, and telecommunications.

From 1982 to 1988, he was an examiner at the U.S. Patent and Trademark Office, and became a primary examiner in 1987.

From 1994 through 2009, Mr. Thronson was an adjunct professor at Johns Hopkins University, where he taught intellectual property law to graduate business students.

In 2013, he received the prestigious Burton Award for distinguished legal writing.


Outside the office, Mr. Thronson devotes much of his time to local baseball and other youth sports programs (PTB Generals, Bradley Eagles, Potomac Panthers) and community volunteer activities. He was an original officer of LENS Foundation, a charitable organization headquartered in McLean, Virginia, which supports a fledgling Lutheran seminary in Novosaratovka, Russia.


  • 2012–2017, listed in Washington, D.C. Super Lawyers

A description of the standard or methodology on which the accolades are based can be found here.