Department profile
WilmerHale

Intellectual Property

USA Guide 2026 : Massachusetts


WilmerHale

Rankings

About

Provided by WilmerHale

IP Litigation

Clients rely on our globally recognized Intellectual Property Litigation Practice to provide high-quality and innovative solutions to the most complex legal and business issues. We have helped companies defend their interests in jurisdictions across the United States and internationally. Our lawyers have tried cases in federal district courts throughout the United States, and we appear frequently in the top jurisdictions for patent cases, including the District of Delaware, the Central, Northern, and Southern Districts of California, the Eastern and Western Districts of Texas, as well as in the International Trade Commission.


To learn more, visit: https://www.wilmerhale.com/en/solutions/intellectual-property-litigation

IP

Clients depend on us to understand how intellectual property relates to their business, and to use that knowledge to help them fully realize the value of their intellectual property. We offer full-service IP coverage across industries, from technology, telecommunications, retail and media to pharmaceuticals and medical devices. Clients come to WilmerHale for counseling on patent drafting and prosecution; post-grant proceedings; trademark, copyright and trade secret protection; and strategic IP portfolio development.

To learn more, visit: https://www.wilmerhale.com/en/solutions/intellectual-property-counseling-and-prosecution

Chambers Review

Provided by Chambers

Intellectual Property - Massachusetts

Band 1

Band 1


What the Team is Known For
WilmerHale is a team of high-quality litigators, frequently sought after by hi-tech and life sciences companies for handling contentious proceedings arising from patent infringement claims and PTAB post-grant reviews. The team also assists with transactional matters such as licensing agreements and strategic alliances, as well as domestic and international prosecution needs.

Work Highlights

Provided by Chambers

  • WilmerHale secured a landmark global settlement for GSK in a high-stakes patent infringement dispute against Pfizer.

Strengths

Provided by Chambers

  • The team are strategy-driven, but also very detail-oriented.

    Intellectual Property respondentUSA
  • The team at WilmerHale is of the highest caliber. They are extremely knowledgeable about all areas of IP and trademarks.

    Intellectual Property respondentUSA
  • WilmerHale are top notch: great litigators, strategic and thoughtful, and they communicate well with others in the company.

    Intellectual Property respondentUSA
  • There is no firm I trust more than WilmerHale for IP litigation, strategy, and counseling. The work product is always flawless.

    Intellectual Property respondentUSA
  • The team at WilmerHale have outstanding real trial experience and first-chair trial lawyers.

    Intellectual Property respondentUSA

Notable Practitioners

Provided by Chambers

  • Senior StatespeopleWilliam F Lee
    Senior StatespeopleWilliam F Lee

    William F Lee

    William Lee is a preeminent IP litigator with an impressive track record of success representing leading life sciences and technology companies in high value patent trials.

    • William always delivers the best service of the highest quality.

      Intellectual Property respondentUSA
    • William is the ultimate senior statesman.

      Intellectual Property respondentUSA
  • Band 1Joseph Mueller
    Band 1Joseph Mueller

    Joseph Mueller

    Joseph Mueller often works on IP litigation and regularly counsels technology companies. He has notable experience handling matters both at trial and at appeal.
    • Joe is unparalleled as a trial lawyer. He is very creative, high energy, and extremely likeable.

      Intellectual Property respondentUSA
    • He is one of the best first-chair trial lawyers in patent litigation.

      Intellectual Property respondentUSA
    • He is a truly preeminent lawyer in patent litigation.

      Intellectual Property respondentUSA
  • Band 2Lisa J Pirozzolo
    Band 2Lisa J Pirozzolo

    Lisa J Pirozzolo

    Lisa Pirozzolo is recommended for her counsel in patent infringement and licensing disputes. She frequently represents prominent life sciences and technology companies.

    • Lisa is willing to dig into work on tight timelines and to get us what we need as a client.

      Intellectual Property respondentUSA
    • Lisa is an incredibly consistent and steady hand.

      Intellectual Property respondentUSA
  • Band 3Emily Whelan
    Band 3Emily Whelan

    Emily Whelan

    Emily Whelan chairs the firm's IP group and is regularly called on by life sciences companies for both contentious and non-contentious mandates, including both portfolio management and litigation.
    • Emily is the first person I call when I need help with a thorny issue or an important project.

      Intellectual Property respondentUSA
    • Emily has a deep knowledge of patent litigation strategy.

      Intellectual Property respondentUSA
  • Band 4Cynthia D Vreeland
    Band 4Cynthia D Vreeland

    Cynthia D Vreeland

    Cynthia Vreeland is a respected patent litigator with notable experience in high-stakes infringement trials, especially for technology clients.
    • Cynthia is great at leading a team. She is very thorough, careful and meticulous.

      Intellectual Property respondentUSA
  • Band 4Michael J Summersgill
    Band 4Michael J Summersgill

    Michael J Summersgill

    Michael Summersgill is a distinguished litigator with a notable track record of success in high stakes IP trials.

    • Michael out-strategizes the other side and is terrific on his feet and in the court.

      Intellectual Property respondentUSA
  • Band 5Kevin Prussia
    Band 5Kevin Prussia

    Kevin Prussia

    Kevin Prussia has significant experience in intellectual property litigation. He represents clients in front of the ITC, Patent Trial and Appeal Board and Massachusetts Supreme Court.

Ranked Individuals at WilmerHale (7)

Massachusetts

Members

Provided by WilmerHale

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