Mark Chapman focuses his practice on representing domestic and foreign high-technology clients in patent infringement and related litigation, but also includes opinions, licensing and transactions. He has experience with all phases of patent infringement litigation, including fact and expert discovery, Markman and motion practice, trial and appeal, as well as ITC proceedings. Mr. Chapman also has experience with both inter partes and ex parte patent office reexamination proceedings. He has also coordinated and supported foreign patent litigation and related patent office proceedings, including trials and appeals, with local counsel in Canada, the United Kingdom, the Netherlands, Germany, France and Italy. 

Mr. Chapman's technical background is in engineering physics and his patent experience has involved a wide variety of technologies, including 3D imaging, automotive acceleration sensors, Blu-ray and DVD players, stents, dental floss, endodontic instruments, GPS navigation, high-throughput experimentation, check imaging, industrial combustion burners, interactive lottery technology, mass spectrometers, optical fiber, telecommunications, video surveillance, and wrist-watch designs.

Prior to joining Kenyon, Mr. Chapman practiced transactional corporate and securities law at a top New York law firm. He has also served as a law clerk to the Honorable Mr. Justice John C. Major of the Supreme Court of Canada in Ottawa. 

Representative Experience

  • Bosch in patent litigation regarding video surveillance technology. Criminal Activity Surveillance v. ADT Security Services et al. (E.D. Tex.)

  • Deutsche Telekom and foreign T-Mobile mobile carriers in patent litigation regarding international paging technology. Secured a dismissal for lack of personal jurisdiction, which was affirmed on appeal.Technology Patents v. T-Mobile (UK) et al. (D. Md.)

  • Sony defendants in ITC case against HumanEyes Technologies regarding 3D camera technology. HumanEyes terminated the case at the end of fact discovery. In re Certain Cameras and Mobile Devices (ITC)

  • Bosch, as supplier, in ITC case against Beacon Navigation regarding GPS navigation system technology in automobiles. Beacon terminated the case during fact discovery. In re Certain Automotive GPS Navigation Systems (ITC)

  • Bosch in patent litigations regarding automotive acceleration and angular sensor technology in automobiles. Secured favorable Markman decision which led to favorable settlement. Wacoh v. Robert Bosch (E.D. Mich.) and Wacoh v. Analog Devices et al. (D. Del.)

  • Janam in patent litigation regarding mobile wireless technology. Defeated motion for a preliminary injunction. Symbol Technologies v. Janam Technologies (D. Del.)

  • Represented Sony in patent litigation regarding biometric security technology. Secured dismissal from litigation based on improper joinder. Innovative Biometric Technology v. Lenovo (United States) et al.(S.D. Fla.)

  • Cartier in declaratory judgment action challenging patent regarding watch design technology. Secured favorable settlement. Cartier v. Wing Hon Metal Manufactory (D.D.C.)

  • Guidance Endodontics in ITC case against Dentsply regarding endodontic drill technology. Secured favorable settlement. In re Certain Endodontic Instruments (ITC)

Select Publications

  • "The RAND Modified Hypothetical Negotiation," Intellectual Property Strategist, June 2013.

  • "Microsoft v. AT&T," Intellectual Property Strategist, July 2007.
Representative Matters
  • Bosch in patent litigation regarding video surveillance technology. Criminal Activity Surveillance v. ADT Security Services et al. (E.D. Tex.)
  • Deutsche Telekom and foreign T-Mobile mobile carriers in patent litigation regarding international paging technology. Secured a dismissal for lack of personal jurisdiction, which was affirmed on appeal. Technology Patents v. T-Mobile (UK) et al. (D. Md.)
  • Sony defendants in ITC case against HumanEyes Technologies regarding 3D camera technology. HumanEyes terminated the case at the end of fact discovery. In re Certain Cameras and Mobile Devices (ITC)
  • Bosch, as supplier, in ITC case against Beacon Navigation regarding GPS navigation system technology in automobiles. Beacon terminated the case during fact discovery. In re Certain Automotive GPS Navigation Systems (ITC)
  • Bosch in patent litigations regarding automotive acceleration and angular sensor technology in automobiles. Secured favorable Markman decision which led to favorable settlement. Wacoh v. Robert Bosch (E.D. Mich.) and Wacoh v. Analog Devices et al. (D. Del.)
  • Janam in patent litigation regarding mobile wireless technology. Defeated motion for a preliminary injunction. Symbol Technologies v. Janam Technologies (D. Del.)
  • Represented Sony in patent litigation regarding biometric security technology. Secured dismissal from litigation based on improper joinder. Innovative Biometric Technology v. Lenovo (United States) et al. (S.D. Fla.)
  • Cartier in declaratory judgment action challenging patent regarding watch design technology. Secured favorable settlement. Cartier v. Wing Hon Metal Manufactory (D.D.C.)
  • Guidance Endodontics in ITC case against Dentsply regarding endodontic drill technology. Secured favorable settlement. In re Certain Endodontic Instruments (ITC)
Bar and Court Admissions
  • New York
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. Court of Appeals for the Federal Circuit
  • Ontario