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Patterson Belknap Webb & Tyler LLP

Barbara L. Mullin

Barbara L. Mullin

Special Counsel

Patterson Belknap Webb & Tyler LLP
New York, U.S.A.

tel: 212-336-2468
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Local Time: Mon. 03:55


Barbara Mullin is Special Counsel in the Firm's Litigation department, with a focus on patent litigation. Ms. Mullin has over 25 years of experience litigating patent infringement disputes. She regularly tries patent cases in federal courts and before arbitration panels and has argued before the Court of Appeals for the Federal Circuit. Her cases have involved diverse fields such as recombinant antibody technology, medical devices and methods, small molecule pharmaceuticals, semiconductor wafer processing, and water guns. In addition to representing clients in litigation and arbitration proceedings, Ms. Mullin also counsels innovator pharmaceutical and medical device clients on strategic patenting and licensing and freedom to operate issues, as well as Orange Book Listings, Paragraph IV certifications, and other ANDA-related matters.

Representative Experience:

  • Served as one of the principal attorneys representing a biotechnology company and private university in a patent trial charging a competitor's product with infringement. The jury returned a verdict that Ms. Mullin’s clients’ patent was willfully infringed and not invalid, and awarded damages of $1.67 billion. 
  • Successfully defended an American toy manufacturer in a patent infringement suit alleging infringement of two patents for leading water guns.
  • Served as one of the principal attorneys in a Northern District of California jury trial, successfully representing a large computer-chip manufacturing equipment company asserting its process and apparatus patents. The case settled favorably after trial, including awards for past damages and ongoing royalties.
  • Obtained a preliminary injunction followed by a favorable decision at trial and an award of attorneys’ fees on behalf of the plaintiff, a leading diagnostic systems manufacturer. 
  • Served as one of the principal attorneys in obtaining favorable arbitration ruling on the merits and an award of attorneys’ fees and costs on behalf of a leading diagnostic systems manufacture.

    Bar Admissions

    • U.S. Supreme Court
    • U.S. Patent and Trademark Office
    • U.S. Court of Appeals, Federal Circuit
    • Pennsylvania (only admitted in Pennsylvania)


    • Villanova University School of Law (J.D., cum laude, 1991)
    • University of Pennsylvania (B.S., cum laude, 1985)
    Areas of Practice

    WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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