Phil Rovner


Philip A. Rovner specializes in the areas of corporate, commercial and complex litigation. He is an experienced trial attorney, having served as trial counsel in intellectual property, trade secret, corporate and commercial disputes, including cases pending in the United States District Court for the District of Delaware, the Delaware Court of Chancery and the Delaware Superior Court.

Phil has been recognized repeatedly by numerous legal publications, including Chambers USA, Who’s Who Legal: Patents and IAM 1000: The World’s Leading Patent Practitioners. He also has been highlighted in IP Stars, Managing Intellectual Property magazine’s guide to leading IP firms and lawyers.


Representative Matters

  • Sonos v. Denon Electronics (D. Del.). Counsel for Sonos in jury trial where jury returned verdict in Sonos’s favor finding infringement of three of Sonos’s patents and that Denon’s infringement, by its competing high-end wireless audio line, was willful. The jury also rejected Denon’s attempt to invalidate the three asserted Sonos patents, finding instead that all asserted patents are valid.
  • Quadrant Structured Products LLC v. Athilon Capital Corp. (Del. Chancery). Counsel for Athilon and its board of directors in successful defense against claims of breach of fiduciary duty and breach of contract; in post-trial decision, court denied all the relief Quadrant requested ($200 million and an order requiring Athilon to liquidate its assets and shut its business down entirely) and permitted Athilon to continue executing the long-range business strategy that Quadrant challenged at trial.  
  • XpertUniverse, Inc. v. Cisco Systems, Inc. (D. Del.). Counsel for plaintiff in fraud action; jury returned a verdict of $70 million in XpertUniverse’s favor.
  • Nova Biomedical Corp. v. Roche Diagnostics Operations, Inc., et al. (D. Del.). Represented Roche Diagnostics in jury trial defeating allegations that Roche Diagnostics had breached a confidentiality agreement and unfairly competed by misusing alleged trade secrets.
  • Baxter Healthcare Corporation v. Minrad, Inc. (D. Del.). Counsel for Baxter in successful ANDA litigation involving device for inhaled drug delivery.
  • Freudenberg Spunweb Company v. FiberVisions L.P. (Del. Super.). Lead trial counsel for defendant FiberVisions in successful defense of breach of contract action brought pursuant to Delaware Superior Court’s Summary Proceedings for Commercial Disputes procedures; judgment in FiberVisions’ favor after six-day bench trial before Judge Fred S. Silverman.
  • Baxter Healthcare Corporation v. Aventis Behring L.L.C. (Del. Chancery). Lead trial counsel for Baxter in successful commercial case involving Baxter’s recombinant blood products.

Professional Activities & Recognition

Honors & Recognitions

Recognized by Chambers USA: America's Leading Lawyers for Business as a leading practitioner in the area of intellectual property litigation

Recognized by The Best Lawyers in America® in the area of Trade Secrets Law 

Recognized in Who’s Who Legal: Patents

Recognized by IAM 1000: The World’s Leading Patent Practitioners

Recognized by IP Stars


Delaware State Bar Association 

American Bar Association


Fordham University, J.D.

University of Pennsylvania, B.A.

Bar & Court Admissions

Bar Admissions

  • New York, 1988

    Delaware, 1993



Firm News

Philip in the News

Jump to Page

Necessary Cookies

Necessary cookies enable core functionality such as security, network management, and accessibility. You may disable these by changing your browser settings, but this may affect how the website functions.

Analytical Cookies

Analytical cookies help us improve our website by collecting and reporting information on its usage. We access and process information from these cookies at an aggregate level.