Kay Chandler


Our life sciences clients inspire me – I’m driven to work tirelessly and creatively with them to achieve their goals of developing and commercializing innovative healthcare products.

+1 858 550 6014

Kay Chandler is chair of Cooley’s global life sciences industry practice and co-chair of the firm’s Women’s Initiative. Kay specializes in representing public and private life sciences companies in a wide range of commercial and corporate matters that are critical to their businesses. She counsels biotechnology, biopharmaceutical, diagnostic, and device companies on complex U.S., global and regional transactions, including technology and product licenses, acquisitions, and divestitures; research, development, and commercial collaborations; supply, distribution, and manufacturing agreements; and profit-sharing and co-promotion arrangements. Kay works collaboratively with her clients to understand each client's business and strategic objectives and to structure and negotiate transactions to meet those objectives. She applies corporate and securities experience to implement transactions in a manner that facilitates and supports the financing and corporate development strategies of her clients.

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  • Neurocrine Partners With Takeda to Address Psychiatric Disorders 

  • Horizon Pharma Buys River Vision for $145 Million and Unspecified Earn-Out 

  • Horizon Pharma Acquisition of Crealta Holdings for $510 Million 

  • Auspex Pharma $3.5 billion sale to Teva Pharma 

  • Horizon Pharma Completes $400 Million Exchangeable Senior Notes Offering 

  • View all


  • University of Michigan Law School
    JD, 1988

  • University of Michigan - Ann Arbor
    BA, Economics
    with distinction, 1985

Admissions & Credentials



  • American Bar Association

  • San Diego County Bar Association

Rankings & Accolades

    The Best Lawyers in America: Biotechnology Law and Life Sciences 

    Southern California Super Lawyers: Securities and Corporate Finance (2007-2009, 2011-2019)

    Chambers USA: America's Leading Lawyers for Business, Life Sciences: Commercial (National and California) (2009-2016, 2018 – 2020)

    The Best Lawyers in America: San Diego Biotechnology Lawyer of the Year (2011)

    Lawdragon: One of 500 dealmakers in America (2007)

    Legal 500: Key Lawyer, Healthcare: Life Sciences (2020)


+1 858 550 6014 office
+1 858 550 6420 fax

4401 Eastgate Mall
San Diego, CA 92121-1909