Job Title Category: Partner

  • Sarah Chapin Columbia

    Sarah Chapin Columbia

    People

    Sarah Chapin Columbia

    Partner
    Areas of focus

    Serves as lead trial counsel in patent infringement, trade secrets, and invalidity litigation across multiple federal jurisdictions

    Counsels clients on overall intellectual property strategy and positioning, including litigation avoidance

    Provides strategic IP guidance in complex transactions where intellectual property assets are critical to the deal

    Advises clients across pharma/biotech, internet, semiconductor, hardware and software, medical device, and manufacturing industries

    Sarah Chapin Columbia is a Fellow of the American College of Trial Lawyers. Over the last dozen years, she has led 17 patent infringement, trade secrets, and invalidity trials (11 jury trials and six bench trials) across several jurisdictions, including the federal courts in Massachusetts, Florida, Delaware, Colorado, California, and Texas.

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    “Sarah is incredibly smart and careful. She gives actionable and thoughtful advice and we trust her implicitly.”

    Recognized as Lawyer of the Year in Boston: Litigatio

    Recognized as Lawyer of the Year in Boston: Litigatio

    The Best Lawyers in America

    Ranked Band 1 in Intellectual Property, Massachusetts

    Ranked Band 1 in Intellectual Property, Massachusetts

    Chambers USA

    Recognize as America’s Best-In-State Lawyer

    Recognize as America’s Best-In-State Lawyer

    Forbes

    Results
    • Lead counsel for Alnylam in ongoing patent infringement litigation involving the cationic lipids essential to the delivery of the COVID-19 vaccines (Alnylam v. Pfizer/BionTech (D. Delaware); Alnylam v. Moderna (D. Delaware))
    • Lead counsel for Next Caller in simultaneous patent infringement litigation and trade secrets, tortious interference and breach of contract litigation related to authentication services. Successfully secured a unanimous jury verdict in favor of Next Caller in both matters (TrustID Inc. v. Next Caller Inc., (D. Delaware), TRUSTID, Inc. v. Next Caller Inc., (D. Colorado))
    • Lead counsel for Amgen in a patent infringement action and jury trials involving breakthrough biologic therapy for the treatment of high LDL cholesterol (Amgen v. Sanofi, et al., (D. Delaware))

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    Recognitions
    • LMG Life Sciences, Shortlisted, General Patent Litigator of the Year – New England – 2026
    • Chambers USA, Intellectual Property, Band 1 (Massachusetts) and Band 3 (Nationwide), 2008-2026; Life Sciences, Band 3 (Massachusetts), 2026
    • The Best Lawyers in America, Lawyer of the Year in Boston: Litigation – Intellectual Property, 2022 and 2024-2026

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    Capabilities and industries
    Regional markets
    Community
    • The Sedona Conference®, Working Group on Patent Damages and Remedies
    Credentials
    Education
    • Harvard Law School, JD, magna cum laude
    • Harvard University, MPP
    • Wesleyan University, BA, Economics
    Admissions
    • Massachusetts
    Courts/Agencies
    • Supreme Court of the United States
    • US Court of Appeals for the Federal Circuit
    • US Court of Appeals for the First Circuit
    • US Court of Appeals for the Second Circuit
    • US Court of Appeals for the Ninth Circuit
    Languages
    • English
  • Richard C. Call

    Richard C. Call

    People

    Richard C. Call

    Partner

    Boston

    New York – One Vanderbilt Avenue

    Areas of focus

    Richard C. Call focuses his practice on a broad range of state and local tax matters, including litigation, advisory, and transactional work. He represents clients in proceedings before administrative bodies, trial courts, and appellate courts across multiple jurisdictions.

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    Results
    • Successfully led a team seeking federal review of a New York City Unincorporated Business Tax case in 2025, arguing that the Tax Injunction Act did not bar federal review due to a lack of judges at the New York City Tax Appeals Tribunal, Administrative Judge Division
    • Successfully argued before the Massachusetts Appeals Court in Bay State Gas Company v. Commissioner, securing a rare reversal of the Massachusetts Appellate Tax Board in a corporate income tax case
    Recognitions
    • Best Lawyers in America, Tax Law, Boston, 2022–2027
    • Massachusetts Lawyers Weekly, Go To Tax Lawyer, 2024
    • Legal 500 US, 2021–2024
    • Super Lawyers, New York-Metro Rising Star, 2013–2014
    • Super Lawyers, Massachusetts Rising Star, 2018
    Capabilities and industries
    Regional markets
    Community
    Credentials
    Education
    • New York University School of Law, LLM
    • Brigham Young University J. Reuben Clark Law School, JD
    • Brigham Young University, BA
    Admissions
    • Massachusetts
    • New York
    Languages
    • English
  • Brian M. Bunn

    Brian M. Bunn

    People

    Brian M. Bunn

    Partner
    Areas of focus

    Brian M. Bunn represents clients in the full range of corporate transactions and financings, including mergers, stock and asset purchases and sales, venture capital investments, joint ventures, restructurings and recapitalizations. Brian has deep experience in the life sciences, healthcare, medical device and technology fields. He also advises clients with interests and operations in the food and beverages, energy and manufacturing industries, among other sectors. Brian leads the Boston corporate practice.

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    Results
    Recognitions
    • Legal 500 US, Recommended, 2024
    • Acritas Stars 2020 listed among independently rated lawyers
    Capabilities and industries
    Regional markets
    Community
    • Boston Bar Association
    • Massachusetts Bar Association
    Credentials
    Education
    • Boston University School of Law, JD, cum laude
    • Hamilton College, BA, cum laude
    Admissions
    • Massachusetts
    Languages
    • English
  • Charles R. Buck

    Charles R. Buck

    People

    Charles R. Buck

    Partner
    Areas of focus

    Advises hospital systems, academic medical centers, faculty practice groups, ACOs, and health insurers on complex transactions and regulatory compliance

    Handles mergers and acquisitions, joint ventures, strategic affiliations, and conversions to tax-exempt status in the healthcare sector

    Counsels clients on federal fraud and abuse laws, including the Stark Law, and state regulatory matters

    Advises on physician alignment, HMO regulatory matters, and healthcare organizational strategy

    Charles (Charlie) R. Buck advises healthcare enterprises on complex transactions and regulatory compliance. He represents a wide range of clients, including hospital and health systems, academic medical centers and faculty practice groups, accountable care organizations, and health maintenance organizations (HMOs) and other health insurers.

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    “Charles is practical, grounded and a knowledge expert.”

    Chambers USA

    Ranked Band 1 in Healthcare

    Ranked Band 1 in Healthcare

    Chambers USA

    Ranked in Healthcare Law

    Ranked in Healthcare Law

    The Best Lawyers in America

    Recognized as a Stand-out Lawyer – independently rated lawyers

    Recognized as a Stand-out Lawyer – independently rated lawyers

    Thomson Reuters

    Results
    • Advised Lahey Health System on its consolidation with Beth Israel Deaconess Medical Center, New England Baptist Hospital, Mount Auburn Hospital, and Anna Jaques Hospital to form Beth Israel Lahey Health, the most significant healthcare transaction in the Massachusetts market since the formation of Partners HealthCare in 1994 
    • Advised Reliant Medical Group in the sale of its assets and operations to OptumCare, a division of UnitedHealth Group 
    • Advised RWJBarnabas Health in the negotiation of a long-term academic and clinical affiliation with Rutgers University 
    • Advised Dana-Farber Cancer Institute on the establishment of several community-based facilities 
    • Advised sophisticated medical oncology group on its acquisition by American Oncology Network (AON) 

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    Recognitions
    • Chambers USA, Band 1 in Healthcare, 2006-2026 
    • The Best Lawyers in America, Healthcare Law, 2008-2027 
    • Massachusetts Lawyers Weekly, Go To Life Sciences/Health Care, 2026
    • Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2024-2026 
    • The Best Lawyers in America, Lawyer of the Year in Boston: Healthcare Law, 2015, 2018, 2022 and 2025 
    • Legal 500 US, Recommended, 2015-2019 and 2024 
    Capabilities and industries
    Regional markets
    Community
    • McDermott Will & Schulte, Boston Health Industry Advisory Practice Group, partner-in-charge  
    • McDermott Will & Schulte, Hospitals and Health Systems Practice Group, co-leader 
    Credentials
    Education
    • Stanford Law School, JD, Order of the Coif
    • Middlebury College, BA, magna cum laude
    Admissions
    • Massachusetts
    Languages
    • English
  • Stephen W. Bernstein

    Stephen W. Bernstein

    People

    Stephen W. Bernstein

    Partner
    Areas of focus

    Stephen W. Bernstein specializes in e-health, “big data”, data engineering, deployment of digital health tools and solutions and health-related matters affected by the internet and the Health Insurance Portability and Accountability Act (HIPAA), as well as private equity investments, mergers, acquisitions, affiliations and joint ventures involving technology, digital health companies, hospitals and physicians. Stephen co-leads the Firm’s Digital Health Practice, which brings together McDermott lawyers from within and outside the Health Industry Advisory Practice Group to develop thought leadership, share information and collaborate on best practices. Stephen served as global head of the Firm’s Health Practice from 2009-2018, and as the Health Practice’s Partner-in-Charge of Health Practice Operations during 2023 and 2024. He has also served on the Firm’s Management, Compensation, Executive and Finance Committees.

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    Results
    • Advised Best Buy Health on its $400M cross-border acquisition of remote Patient Monitoring Company, Current Health
    • Advised OMERS Private Equity on healthcare regulatory matters associated with its $900M+ acquisition of Gastro Health
    • Advised the American Society of Clinical Oncology on its development and implementation of CancerLinQ, a national initiative aimed at assembling a vast database of usable, searchable, real-world cancer information designed to improve the quality of cancer care for patients, and since sold to ConcertAI

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    Recognitions
    • Chambers USA, Band 1 in Healthcare, 2010-2026
    • Best Lawyers in America, Healthcare Law, 2007-2027
    • Legal 500 US, 2015-2019

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    Capabilities and industries
    Regional markets
    Community
    • American Health Lawyers Association
    • Jewish Family & Children’s Services, member of the Board of Directors and the Disabilities Committee
    Credentials
    Education
    • Boston College Law School, JD, cum laude
    • Duke University, AB, magna cum laude
    Admissions
    • California
    • District of Columbia
    • Massachusetts
    Languages
    • English
  • Nicholas Azis

    Nicholas Azis

    People

    Nicholas Azis

    Partner

    London – 22 Bishopsgate

    Areas of focus

    Nicholas (Nick) Azis is a highly experienced corporate lawyer who advises a broad range of publicly owned and privately held clients on mergers and acquisitions transactions, principally in the commodities, energy, technology and manufacturing sectors. He has significant experience in corporate reorganisations and provides day to day corporate counsel to his clients on the application of UK regulation such as the Bribery Act, Criminal Finances Act and Modern Slavery Act on commercial activities in the UK. He also acts as a deputy General Counsel for the firm.

    Results
    • Represented Irving Oil in the acquisition of the Tedcastle group of companies (operating under the Top Oil brand) in Ireland
    • Represented IDEAL Industries Inc. in the sale of its European networks division
    • Represented Terminix Global Holdings Inc in the sale of its Norwegian and UK pest control businesses as a condition to its merger with Rentokil Initial PLC

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    Recognitions
    • The Best Lawyers in the United Kingdom, Mergers and Acquisitions Law, 2023-2025
    • IFLR1000, Energy and Natural Resources, 2022-2023
    • Legal 500 UK, Corporate and Commercial: M&A: lower mid-market, Leading Individual, 2021 and 2024-2025

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    Capabilities and industries
    Regional markets
    Community
    Credentials
    Education
    • University of Law, LLB, First Class Honours
    • University of Bristol, BA
    Admissions
    • England and Wales
    Languages
    • English
    • French