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Eric Lancaster


Silicon Valley

Image of Eric Lancaster
Eric Lancaster


Silicon Valley

Eric is a partner in the Intellectual Property practice in the Silicon Valley office. He successfully represents technology companies in all aspects of their life cycle. Eric's practice focuses on IP litigation matters across the country in district courts, the United States International Trade Commission, Patent Trade and Appeals Board and state courts. His litigation experience covers a variety of technologies, including pharmaceuticals, medical devices, software, social networking, mobile devices, semiconductor, LCDs and computer hardware. Eric has served as lead counsel for his clients in multiple matters.

In addition to litigation matters, Eric provides strategic and commercial advice to leading multinational companies and has significant experience with IP and commercial due diligence investigations in the context of analyzing complex commercial and technology-related aspects of corporate transactions.

Eric is committed to helping grow and develop the next generation of leaders and giving back to his community. He regularly speaks at events at various law schools and recently participated in a Chambers summer associate podcast. Eric is an adjunct professor at Berkeley Law School, where he teaches Antitrust and Innovation. He serves in a leadership role on the Silicon Valley Urban Debate League's Legal Advisory Committee, which partners with the Silicon Valley Urban Debate League (SVUDL) to help youths from low-income backgrounds tap the power of their voices to compete, excel and change the world through the rigor and thrill of the academic sport of debate. SVUDL empowers low-income students of color, many of whom will become first-generation college students, to unlock the power of their voices to become advocates for themselves, their futures and their communities. 

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Silicon Valley

Allen & Overy LLP
550 High Street
Palo Alto
CA 94301

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Admitted: State Bar of California, 2006

US District Court for the Central District of California

US District Court for the Northern District of California

US District Court for the Southern District of California

US District Court for the Eastern District of Texas


JD, Santa Clara University School of Law, 2006

BA & BS (Economics and Chemistry), University of California, Davis, 2002

Other noteworthy experience


  • Global pharmaceutical company. Lead patent team representing a global pharmaceutical company defending against "reverse payment" antitrust claims.
  • Major pharmaceutical company. Represented a major pharmaceutical company in multiple BPCIA matters.
    Walmart Global eCommerce. Represents Walmart’s global eCommerce division in various patent litigation matters throughout the United States.
  • Anthem, Inc. Represented Athem in its defense against the US Department of Justice's lawsuit to block Anthem's $54.2 billion agreement to acquire Cigna Corporation, the largest merger ever in the health insurance industry.
  • Leading global technology company. Represented a leading global technology company in multiple recent acquisitions of technology companies.
  • Nest Labs, Inc. Represented Google subsidiary Nest Labs in a patent infringement case brought by Allure Energy Inc.
  • DreamWorks Animation et al . Represented DreamWorks, Sony Pictures Imageworks, Deluxe Entertainment, and Hydraulx in patent litigation involving computer graphics software.
  • Google Inc. et al. Obtained summary judgment of invalidity of all asserted claims of both patents on behalf of Google after all other defendants settled in patent litigation involving social networking systems, as well as award of all requested costs.
    Autodesk, Inc. Obtained complete defense jury verdict of non-infringement and invalidity for Autodesk in a patent infringement suit involving CAD software.
  • Chimei InnoLux, InnoLux, and Chi Mei Optoelectronics USA. Obtained Final Determination of non-infringement or invalidity of all five asserted patents on behalf of Respondents Chimei InnoLux, InnoLux, and Chi Mei Optoelectronics USA in Section 337 Investigation involving LCD products. The Federal Circuit upheld the Commission's Final Determination providing a complete victory for our clients.