Jeffrey W. Lesovitz

Partner

Philadelphia
T +1.215.564.2406
F +1.215.568.3439

Overview

Jeff Lesovitz focuses his practice on litigating complex patent infringement cases before U.S. district courts and the Court of Appeals for the Federal Circuit. He also represents complainants and respondents in patent disputes before the U.S. International Trade Commission. His litigation experience primarily involves representing high-tech companies in the consumer electronics, semiconductor, telecommunications, software and medical device industries. In addition to district court and ITC litigation, Jeff represents petitioners and patentees in post-grant litigation proceedings before the U.S. Patent and Trademark Office. He also counsels clients on a variety of other intellectual property matters, including the infringement, enforceability and validity of U.S. patents; the licensing, acquisition and collateralization of intellectual property; and strategies for developing and exploiting intellectual property assets.

Jeff is currently an adjunct professor at Villanova University School of Law, where he teaches a class on advanced patent law. He is also a frequent speaker on complex intellectual property issues relating to his practice, and has authored a number of articles and other publications discussing important intellectual property issues.

Select Experience

Federal Court Patent Litigation
  • Successfully represented a major tech company in a litigation involving patents directed to cellular network technology. Obtained a favorable Markman order, as well as favorable summary judgment orders on infringement and validity. The jury returned a verdict in the client’s favor on all counts after a three-week trial.
  • Successfully represented a large computer software company in multi-district litigation against claims of infringement of five different patents. The dispute was settled on terms very favorable to the client after receiving a summary judgment ruling invalidating all asserted patents in the lead district court case.  
Section 337 ITC Investigations
  • Represented the complainant in an investigation involving five patents directed to computer software in handheld devices. Obtained a favorable settlement after a full trial on the merits.
  • Represented the complainant in an investigation involving multiple patents covering DRAM technology and semiconductor fabrication techniques. A favorable settlement was reached after a full trial on the merits.
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Experience

Federal Court Patent Litigation
  • Successfully represented a major tech company in a litigation involving patents directed to cellular network technology. Obtained a favorable Markman order, as well as favorable summary judgment orders on infringement and validity. The jury returned a verdict in the client’s favor on all counts after a three-week trial.
  • Successfully represented a large computer software company in multi-district litigation against claims of infringement of five different patents. The dispute was settled on terms very favorable to the client after receiving a summary judgment ruling invalidating all asserted patents in the lead district court case.  
  • Represented declaratory judgment plaintiffs in lawsuits involving claims of infringement of patents directed to object-oriented software for accessing data in a relational database. The defendant stipulated to a finding of non-infringement after the plaintiffs received a favorable claim construction order.
  • Represented the New York Stock Exchange against claims of infringement of patents for a wireless device that enables brokers to receive and execute orders. Obtained an order from the court granting summary judgment of invalidity of all asserted patents.
  • Successfully obtained the affirmance of a summary judgment order finding patents invalid as obvious by the Federal Circuit for the New York Stock Exchange.
  • Represented the defendant against claims of infringement of patent directed to LCD technology. Obtained a favorable settlement during the jury trial.
  • Successfully represented a client in parallel lawsuits involving computer memory device technology in California and Guam. The lawsuits involved antitrust claims and infringement claims for numerous patents covering manufacturing techniques for improving performance of DRAM.
Section 337 ITC Investigations
  • Represented the complainant in an investigation involving five patents directed to computer software in handheld devices. Obtained a favorable settlement after a full trial on the merits.
  • Represented the complainant in an investigation involving multiple patents covering DRAM technology and semiconductor fabrication techniques. A favorable settlement was reached after a full trial on the merits.
  • Represented the respondents against claims of infringement of patents covering microcontrollers and digital electronic circuits. Resulted in a favorable settlement after a post-trial briefing.
  • Successfully represented the respondent in an investigation involving a patent concerning fiber optic transmitters and transceivers. Obtained a finding of non-infringement and no domestic industry after a full trial on the merits.
  • Represented the respondent against claims of infringement of patents covering LCD televisions and inkjet technology. Resulted in a favorable settlement after a full trial on the merits.
  • Represented the complainant in an investigation involving patents directed to radio network technology for mobile phones. Obtained a favorable settlement after successfully overcoming summary determination motions, a full trial on the merits, and post-trial briefing.

Recognitions and Memberships

Recognitions

  • The Legal Intelligencer: "Lawyers on the Fast Track" (2016)
  • Pennsylvania Super Lawyers "Rising Star" (2016, 2017)

Memberships

  • American Intellectual Property Law Association
  • International Trade Commission Trial Lawyers Association
  • Institute of Electrical and Electronics Engineers (IEEE)
  • Philadelphia Intellectual Property Law Association

Pro Bono

  • Represented the Asian American Legal Defense and Education Fund (AALDEF) in license agreements for the right to use various musical works in an educational video.
  • Represented and obtained favorable settlements in New York state court for tenants whose property was destroyed after unlawful evictions.
  • Representing, in the U.S. District Court for the Eastern District of Pennsylvania, an individual who was unlawfully detained after voluntarily seeking psychiatric assistance from a local hospital.

Industries

Prior Positions

  • Judicial extern for the Honorable Kent A. Jordan of the U.S. District Court for the District of Delaware
  • Electrical engineer for the U.S. Naval Sea Systems Command Center (NAVSEA)

Admissions

  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, Eastern District of Pennsylvania
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York
  • U.S. Patent and Trademark Office, Registration No. 63,461
  • Pennsylvania
  • New Jersey
  • New York

Education

  • J.D., Villanova University School of Law, 2006, cum laude; Associate Editor, Villanova Law Review (2005 to 2006)
  • B.S., Electrical and Computer Engineering, Villanova University, 2003, magna cum laude