Contact Info vCARD

T: +1 214.698.3360
F: +1 214.571.2907

Dallas Office
2100 McKinney Avenue
Suite 1100
Dallas, TX 75201-6912, USA


Mark Reiter is Co-Chair of Gibson Dunn's global Intellectual Property Practice Group and is a resident of the Dallas office.  Mr. Reiter has extensive experience litigating intellectual property matters in Federal Courts, appellate courts, including the Court of Appeals for the Federal Circuit, and the International Trade Commission.

Recognized as Best Lawyers® 2015 Patent Litigation "Lawyer of the Year" in Dallas, Mr. Reiter has handled patent litigation matters dealing with a variety of technologies including semiconductor manufacturing, design and processing, software, construction techniques, chemicals, medical devices and food technology.  He has also handled trademark, trade secret, copyright matters, and unfair competition cases.  Mr. Reiter has consistently been named to The Best Lawyers in America® (2009-2015) for Intellectual Property and Patent Litigation.

Mr. Reiter is a member of the Dallas Fort Worth Intellectual Property Law Association.  Additionally, he served as adjunct law professor at Southern Methodist University where he taught intellectual property litigation.

Mr. Reiter received a bachelor of science in electrical engineering from the University of Texas and holds a J.D. from Southern Methodist University.

Representative Matters

  • Lead counsel for Microsoft, Hewlett-Packard, Dell, and Lenovo in a patent infringement matter involving organization of data in a computer system. 
  • Lead counsel for Nippon Steel & Sumitomo Metal in a multi-patent and unfair competition case involving processes for manufacturing specialized steel.  The case involved related litigation in Japan and Korea, which included claims for trade secret misappropriation.
  • Lead Counsel for Agilent and Molecular Devices in patent infringement matter involving devices used to analyze DNA microarrays. 
  • Counsel for Life Technologies, Inc. in arbitration relating to genetic testing equipment.
  • Counsel for T-Mobile in 8 patent dispute involving cellular telephony.
  • Lead counsel for Frito-Lay in a multi-national patent ownership dispute.
  • Co-Lead counsel for Red Hat and Novell in a patent infringement matter pending in the Eastern District of Texas.  The case concerned the user interface found on certain Linux operating systems.  Trial occurred in April 2010 and the jury found on all counts in favor of Red Hat and Novell.
  • Lead counsel for Tessera, Inc. in an ITC matter brought against several DRAM chip and DRAM module manufacturers.  The technology involved mechanical stresses applied to sensitive components.
  • Co-lead counsel for Viacom in a patent infringement matter involving video game technology pending in the Eastern District of Texas.
  • Lead counsel for IBM in multiple patent infringement actions covering a variety of technologies in a variety of courts, including Delaware, the Southern District of California, Eastern District of Texas, and Western District of Wisconsin.
  • Lead counsel for SanDisk in a patent infringement matter covering technology used in flash memory products.
  • Counsel for Allergan in a patent infringement matter involving dry-eye treatment pending in the Eastern District of Texas.
  • Counsel for St. Jude Medical in a patent infringement matter involving pace-maker technology pending in the Eastern District of Texas.
  • Representation of Spinal Concepts in the Western District of Texas in a case involving plates used to treat degenerative spinal conditions.
  • Mr. Reiter has handled a number of cases on behalf of Texas Instruments including:
    • Multi-forum and multi-patent litigation against Samsung Electronics involving semiconductor processing, manufacturing and circuitry.  Part of this litigation was before the International Trade Commission
    • Multi-forum and multi-patent litigation covering a variety of semiconductor-related technologies against Hyundai Electronics Industries, including a several-week patent trial resulting in a verdict in favor of Texas Instruments
    • Multi-forum litigation against a leading semiconductor packaging company including proceedings before the International Trade Commission, involving the packaging of semiconductors.  Prior to the start of trial, the case settled with TI acquiring a license of the disputed semiconductor packaging technology at a reduced royalty rate.
  • Representation of a Taiwanese client against claims of infringement brought by 3M before the International Trade Commission.  3M's patent was found not infringed.  Mr. Reiter subsequently argued the appeal before the Court of Appeals for the Federal Circuit which affirmed the ITC's decision.  The technology involved polymerization techniques used to manufacture consumer products.
  • Representation of The Mathworks, Inc. in the Eastern District of Texas against claims of patent infringement brought by National Instruments.  The claims involved related to several software patents dealing with sophisticated computer simulation technology.  The case was tried to a jury verdict that found one patent not infringed and the other three patents infringed, after two appeals to the Federal Circuit, the case is still pending.
  • Lead counsel on behalf of SanDisk Corporation in multi-patent litigation in the Eastern District of Texas against ST Microelectronics. 
  • Representation of Dell in several matters pending in the Eastern District of Texas.


  • Southern Methodist University - 1990 - Juris Doctor
  • University of Texas - 1985 - Bachelor of Science


  • Texas Bar