Counsel registry
Wilmer Cutler Pickering Hale and Dorr
57 case appearances — 9 as plaintiff counsel · 48 as defendant counsel.
Firm overview
Wilmer Cutler Pickering Hale and Dorr LLP: Patent Litigation Summary
Wilmer Cutler Pickering Hale and Dorr LLP, known as WilmerHale, is a major international law firm co-headquartered in Boston and Washington, D.C.. As a prominent "BigLaw" firm with more than 1,000 lawyers across 12 offices in the United States and Europe, it is consistently ranked among the nation's most elite firms, placing in the top 3 of The American Lawyer's "A-List" in 2024 and 2025.. The firm is recognized by Chambers and Partners and Best Lawyers as having a top-tier patent litigation practice..
The firm's intellectual property group, comprising over 200 lawyers and technical specialists, handles complex, high-stakes patent disputes for industry-leading clients.. WilmerHale's litigators are known for their expertise across a wide array of technologies, including telecommunications, wireless communications, consumer electronics, semiconductors, computer security, and life sciences.. The firm’s practice is not limited to one side of the aisle; while the provided case list shows plaintiff-side representation for Visa Inc., WilmerHale frequently defends major technology companies against infringement claims, including those from non-practicing entities..
WilmerHale’s IP litigators handle matters from district court through to the highest levels of appeal. The tracked cases Visa USA Inc. v. Cortex MCP Inc. reflect the firm's active Federal Circuit appellate practice.. Beyond this, the firm has served as counsel in numerous high-profile patent disputes, including representing Apple in its global litigation against Optis Wireless and in a major patent trial brought by Masimo concerning pulse oximetry technology.. The firm also has a formidable Patent Trial and Appeal Board (PTAB) practice, consistently ranked by publications like Managing IP and Law360 as a top firm for inter partes review (IPR) proceedings for both patent challengers and owners..
The practice is led by highly regarded partners. Mark D. Selwyn, based in Palo Alto, is the co-chair of the firm's IP Litigation Practice and has represented many of Silicon Valley's most prominent technology companies.. The firm's deep appellate bench includes Washington, D.C. partner Thomas G. Saunders, who focuses on IP appeals and has argued before the U.S. Supreme Court.. Other key partners named in the provided case data include Nina S. Tallon, a trial lawyer with a notable record in cases before the International Trade Commission (ITC), and Todd C. Zubler, an experienced IP and appellate litigator..
Attorneys
Roles
- lead counsel52
- counsel39
- Counsel34
- Lead Counsel23
- Of Counsel9
- of counsel9
- Backup Counsel5
- associate4
- counsel, likely appellate3
- lead appellate counsel2
- key patent litigator1
- significant litigator for the defense1
- respected patent litigator for the defense1
- Partner and Vice Chair, Intellectual Property Department1
- Partner1
- Senior Associate1
Cases (57)
- Δ defendantAdvanced Integrated Circuit Process LLC v. Taiwan Semiconductor Manufacturing Company, Ltd.James E. Quigley · Counsel
- Δ defendantAerin Medical Inc. v. Neurent Medical LimitedDavid L. Cavanaugh · Lead Counsel
- Δ defendantAerin Medical Inc. v. Neurent Medical Ltd. et al.David L. Cavanaugh · Lead Counsel
- π plaintiffApple Inc. v. Optis Wireless Technology, LLCJason Kipnis · Counsel
- π plaintiffApple Inc. v. Topwire LLCWilliam F. Lee · lead counsel
- Δ defendantART Research and Technology LLC v. Google, LLC et al.Mark D. Selwyn · lead counsel
- π plaintiffBeckman Coulter, Inc. v. Cytek Biosciences, Inc.Omar A. Khan · lead counsel
- Δ defendantCentripetal Networks, Inc. v. Cisco Systems, Inc.Mark Christopher Fleming · lead counsel
- Δ defendantCentripetal Networks, LLC v. Palo Alto Networks, Inc. et al.Mark Christopher Fleming · Lead Counsel
- Δ defendantCytek Biosciences, Inc. v. Beckman Coulter, Inc.Laura Macro · Lead Counsel
- Δ defendantCytek Biosciences, Inc. v. Beckman Coulter, Inc.Laura Macro · Lead Counsel
- Δ defendantDISH Technologies L.L.C. et al. v. The New York Times CompanyRobert J. Gunther, Jr. · Lead Counsel
- Δ defendantFirst Solar, Inc. v. Canadian Solar Inc.Mark G. Kindall · lead counsel
- Δ defendantGreenthread, LLC v. Intel Corporation et al.Mark D. Selwyn · Lead Counsel
- Δ defendantGreenthread, LLC v. Intel Corporation et al.Jeffrey T. Han · lead counsel
- Δ defendantHBCU Messaging US LP v. Apple, Inc. et al.Brittany Amadi · Counsel
- Δ defendantHeadwater Research LLC v. Verizon (Verizon Wireless)Erika H. Arner · Lead Counsel
- Δ defendantIn re Centripetal Networks, LLCMark C. Fleming · Of Counsel
- π plaintiffIntel Corporation et al. v. 3D Surfaces, LLCLouis W. Tompros · lead counsel
- Δ defendantKangxi Communication Technologies (Shanghai) Co., Ltd. v. Skyworks Solutions Inc.Haixia Lin · lead counsel
- Δ defendantLuxottica OF America Inc et al. v. Solos Technology LtdWilliam F. Lee · Lead Counsel
- π plaintiffMerck KGaA v. Hopewell Pharma Ventures, Inc.David B. Bassett · lead counsel
- π plaintiffMerck Serono SA v. TWI Pharmaceuticals Inc.David B. Bassett · Lead Counsel
- Δ defendantMoskowitz Family LLC v. Nuvasive Inc.Thomas G. Saunders · lead counsel
- π plaintiffNeurent Medical Ltd v. CLARET EUROPEAN SPECIALTY LENDING COMPANY III, S.A R.L.David L. Cavanaugh · of counsel
- Δ defendantOmni Medsci, Inc. v. Whoop, Inc.William F. Lee · lead counsel
- Δ defendantOne-E-Way, Inc. v. Apple Inc.Mark D. Selwyn · lead counsel
- Δ defendantOptis Wireless Technology, LLC et al. v. Apple Inc.Joseph P. Mueller · Lead Counsel
- Δ defendantPetitioner v. Marlin Semiconductor LtdWilliam F. Lee · lead counsel
- Δ defendantPhenix Longhorn, LLC v. AU Optronics Corporation et al.Justin Watts · key patent litigator
- Δ defendantRegeneron Pharmaceuticals Inc. v. Unnamed DefendantPeter J. Armenio · lead counsel
- Δ defendantSampo IP, Inc. v. Twitter Inc. et al.Sonal N. Mehta · lead counsel
- π plaintiffSkyworks Solutions, Inc. v. Kangxi Communication Technologies Shanghai Co., Ltd. et al.Kate M. Saxton · Lead Counsel
- Δ defendantSoftView LLC v. Apple Inc. et al.Sonal Naresh Mehta · lead counsel
- Δ defendantSolos Technology Limited v. Meta Platforms, Inc. et al.William F. Lee · lead counsel
- Δ defendantTopwire LLC v. Apple, Inc.Joseph J. Mueller · lead counsel
- Δ defendantUniloc USA, Inc. et al. v. Microsoft CorporationSteven F. Cherry · Lead Counsel
- π plaintiffUntitled caseJoseph F. Haag · counsel
- Δ defendantUntitled caseDarren J. Campana · Lead Counsel
- Δ defendantUntitled caseDavid L. Cavanaugh · Partner and Vice Chair, Intellectual Property Department
- Δ defendantUntitled caseAndrew J. Danford · counsel
- Δ defendantUntitled caseAmy K. Wigmore · counsel
- Δ defendantUntitled caseMark D. Selwyn · lead counsel
- Δ defendantUntitled caseKevin S. Prussia · lead counsel
- Δ defendantUntitled caseMark D. Selwyn · lead counsel
- Δ defendantUntitled caseMark D. Selwyn · lead counsel
- Δ defendantUntitled caseJoseph J. Mueller · Lead Counsel
- Δ defendantUntitled caseDavid L. Cavanaugh · counsel
- Δ defendantUntitled caseKevin S. Prussia · lead counsel
- Δ defendantUntitled caseMark Christopher Fleming · lead counsel
- Δ defendantUntitled caseJoseph J. Mueller · Lead Counsel
- Δ defendantUntitled caseSarah R. Frazier · Counsel
- Δ defendantUntitled caseMark D. Selwyn · lead counsel
- Δ defendantUntitled caseAndrew J. Danford · lead counsel
- Δ defendantVirnetX Inc. v. Apple Inc.William F. Lee · lead counsel
- Δ defendantVirnetX Inc. v. Cisco Systems, Inc.Thomas G. Saunders · lead counsel
- Δ defendantWinView IP Holdings, LLC v. DraftKingsJonathan A. Cox · Lead Counsel