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DLA Piper LLP (US)

Intellectual Property: Patent Litigation

USA Guide 2026 : California

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DLA Piper LLP (US)

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Patent Litigation - California

Band 3

What the Team is Known For
DLA Piper is a well-known firm benefiting from an extensive international network. The team has significant experience counseling clients on the defense of patent and trademark infringement claims as well as contentious copyright matters. It offers effective representation across ITC, Markman and Federal Circuit proceedings. The team also assists with Patent Office matters, including post-grant reviews and patent prosecution. It has additional strength in trademark portfolio management and licensing agreements.
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Work Highlights

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  • DLA Piper represented Hill’s Pet Nutrition in a false advertising and civil conspiracy class action brought by KetoNatural, seeking more than $2 billion in damages.

Strengths

Provided by Chambers

  • I always enjoy working with the IP team at DLA Piper. They know the law very well and provide sound legal guidance on the remedies available to us, as well as the types of analyses courts have historically accepted or rejected. Their ability to navigate the subtlety of different circumstances is impressive.

    Intellectual Property: Patent Litigation respondentUSA

  • This IP group at DLA Piper is highly knowledgeable about the counterparties, specifically opposing counsel, their tactics and the case law applicable to our situation. They help us form winning strategies in complex matters.

    Intellectual Property: Patent Litigation respondentUSA

Notable Practitioners

Provided by Chambers

  • Lisa A Haile
    Lisa A Haile

    Lisa A Haile

    Lisa Haile is well-versed in patent prosecution concerns arising in the life sciences sector and frequently advises industry clients on matters ranging from patentability and portfolio management to FDA regulations and due diligence.

    • Lisa Haile is a phenomenal patent prosecution practitioner.

      Intellectual Property: Patent Litigation respondentUSA

    • When the stakes are so high, Lisa Haile is one of the very top patent lawyers in the country.

      Intellectual Property: Patent Litigation respondentUSA
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  • Erin Gibson
    Erin Gibson

    Erin Gibson

    Erin Gibson is frequently called upon by leading tech-sector companies seeking trial representation in high-stakes proceedings. She offers substantial expertise in ITC proceedings.

    • Erin Gibson is a great litigator and strategist. Her ability to prepare witnesses for trial is one of the best I have ever seen. She is also pragmatic and direct. I find her incredibly efficient and a joy to work with.

      Intellectual Property: Patent Litigation respondentUSA

    • Erin Gibson is really focused on the details.

      Intellectual Property: Patent Litigation respondentUSA
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  • Gina Durham
    Gina Durham

    Gina Durham

    Gina Durham regularly advises household-name clients on a broad range of contentious and noncontentious trademark and copyright matters.

    • Gina Durham is excellent, highly skilled, knowledgeable and a great partner to our company.

      Intellectual Property: Patent Litigation respondentUSA
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  • Mark Fowler
    Mark Fowler

    Mark Fowler

    Mark Fowler is experienced in representing high-profile technology companies in patent litigation at both the US district courts and the ITC.

    • Mark Fowler is extremely experienced and really cares about customer service. He is trial‑ready at all times.

      Intellectual Property: Patent Litigation respondentUSA
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  • Melissa Reinckens
    Melissa Reinckens

    Melissa Reinckens

    Melissa Reinckens is increasingly recognized for her adept handling of contentious IP mandates. Her broad expertise spans trademark, trade secrets and false advertising matters, among others.

    • Melissa Reinckens is super knowledgeable in the space. She has good judgment and leads complex matters very well.

      Intellectual Property: Patent Litigation respondentUSA

    • Melissa Reinckens is highly effective and knows the case law very well.

      Intellectual Property: Patent Litigation respondentUSA
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Ranked Individuals at DLA Piper LLP (US) (5)

California

  • Profile image of Lisa A Haile

    Lisa A Haile

    Intellectual Property: Patent Prosecution

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  • Profile image of Gina Durham

    Gina Durham

    Intellectual Property: Trademark, Copyright & Trade Secrets

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  • Profile image of Melissa Reinckens

    Melissa Reinckens

    Intellectual Property: Trademark, Copyright & Trade Secrets

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