David R. Yohannan, Partner

Representative Matters

  • Intellicheck Mobilisa, Inc. v. Honeywell International, Inc. (W.D.Wash. 2016)
    • Representing seller of ID scanning equipment and related software solutions in defense of patent infringement action. Case currently in fact discovery.
  • 3rd Eye Surveillance LLC v. United States (Ct. Fed. Cl. 2015)
    • Representing third-party defendant in defense of patent infringement case involving video surveillance technology.
  • Intellicheck Mobilisa, Inc. v. Wizz Systems L.L.C. (W.D.Wash. 2015)
    • Representing reseller of ID scanning equipment and related software solutions in defense of patent infringement action. Case currently in fact discovery.
  • WAG Acquisition L.L.C. v. Sobonito Investments, LTD (D.N.J. 2014)
    • Representing online media company in defense of patent infringement case relating to buffering systems and methods. Case currently in jurisdictional discovery phase.
  • Jacobs Vehicle Systems, Inc. v. Yang (M.D.N.C. 2012)
    • Represented plaintiff in trade secret misappropriation case concerning engine brake technology provided to Chinese competitor. Case settled favorably for plaintiff; defendant assigned his U.S. patents concerning the technology in dispute to plaintiff as part of settlement.
  • Markerts-Alert PYT. Ltd., v. OM Securities, LLC d/b/a Trademonster and Optionmonster Holdings, Inc. (D. Del. 2012)
    • Represented defendants in a patent infringement action accusing online stock and option trading services of infringing a business method patent. The case was dismissed with prejudice after the patent was invalidated in a Patent Office proceeding.
  • Vidsys, Inc. v. Proximex Corporation (E.D. Pa. 2011)
    • Represented declaratory judgment plaintiff in district court action seeking a declaration of non-infringement and the invalidity of patent. Also represented plaintiff in parallel reexamination proceeding that, after appeal, resulted in defendant’s loss of patent rights and dismissal of district court case.
  • Innovative Office Products, Inc. v. Humanscale Corporation (E.D. Pa. 2010)
    • Successful defense and dismissal of a patent infringement case with no payment to the plaintiff as result of successful parallel challenge of patent in reexamination proceeding.
  • Neutral Tandem, Inc. v. Peerless Network, LLC, et. al. (N.D. I11.2008)
    • Successful defense of a patent infringement suit including defeating motion for preliminary injunction and obtaining a judgment of invalidity of the patent. An award of summary judgment was affirmed on appeal to the U.S. Court of Appeals for the Federal Circuit.
  • Telarix, Inc v. Vero Systems, LLC (E.D. Va. 2007)
    • Successful assertion of a patent infringement suit. The case settled in favor of our client after the defendant took a license under the asserted patent.
  • Stena Rederi AB v. The United States et al. (Fed Cl. 2006)
    • Successful assertion of a Swedish shipping company’s patent on a ship hull design against the U.S. resulting in an award of $3.2 million to the client.
  • Intelli-Check, Inc. v. Tricom Card Technologies, Inc. et al. (E.D. NY 2003)
    • Successful defense of a patent infringement action resulting in a license to the client for nominal fee.