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DLA Piper LLP (US)

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DLA Piper LLP (US) is sought after for its successful track record representing global and domestic clients in the tech, semiconductor and medical device sectors in patent infringement disputes, with a particular focus on proceedings at the International Trade Commission. San Diego partner Sean Cunningham chairs the firm’s patent litigation group and represent major tech companies like Lenovo, Motorola Mobility and HP Inc. in disputes at all levels of the US court system. Also in San Diego, Erin Gibson is a reputed trial lawyer with particular expertise in the tech industry, litigator Kathryn Riley Grasso represents medical device and tech companies in a wide range of litigation, and Richard Mulloy stands out for his life sciences expertise. The Palo Alto team includes patent litigators Mark Fowler and Carrie Williamson, and the key practitioners in Chicago include Matthew Satchwell, who maintains close relationships with clients in the high-tech space, and Paul Steadman, who handles patent and trade secret matters.

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Key clients

  • Microsoft Corporation
  • Lenovo Group Ltd.
  • Motorola Mobility LLC
  • NXP Semiconductors N.V.
  • NXP USA Inc.
  • Nike
  • Advanced Micro Devices, Inc
  • Hewlett Packard Enterprise Development LP
  • One World Technologies, Inc.
  • Techtronic Industries Co. Ltd.
  • PureCircle
  • Motorola Solutions, Inc.
  • ResMed Inc.
  • Toyota Motor Corporation

Work highlights

  • Represented Lenovo Group Ltd., Lenovo (United States) Inc. and Motorola Mobility LLC in a multi-case, multi-venue assertion brought by Maxell Technologies.
  • Represented Toyota Motor Corporation, several of its subsidiaries, and several of its suppliers in a six-patent MDL case.
  • Represented  Hewlett Packard Enterprise in a multi-matter assertion of almost 20 patents brought by plaintiff Intellectual Ventures in multiple federal district courts, including the Western District of Texas, the District of Delaware, and the Northern District of California.

Practice head

The lawyer(s) leading their teams.

Sean Cunningham, Gina Durham, Erin Gibson, Michael Sitzman

Other key lawyers

Kathryn Riley Grasso, Richard Mulloy, Mark Fowler, Carrie Williamson, Matthew Satchwell, Paul Steadman