LAWYER PROFILE
Lynn K Neuner

Lynn K Neuner

USA 2026

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Ranked in 4 practice areas

About

Provided by Simpson Thacher & Bartlett LLP

Practice Areas

A nationally-renowned trial lawyer specializing in securities, shareholder, insurance, complex commercial, and false advertising disputes. Representations include: Travelers in a trial victory related to Johnson & Johnson’s massive talc-related bankruptcy proceedings, which involved over $9 billion in proposed trust funding; TD Bank in historic litigation related to Allen Stanford Ponzi scheme; Pfizer in Cerevel securities litigation, Viatris securities litigation, and numerous indemnity disputes; Bayer in a false advertising dispute challenging promotional claims regarding J&J and Janssen Biotech’s prostate cancer drug ERLEADA®; Lloyd’s and RSA in three-week jury trial in connection with a business interruption and property damage claim; Frontdoor in securing a preliminary injunction after a full evidentiary hearing enforcing a nationwide non-compete in expedited proceedings; Olon S.p.A. in breach of contract and fraud dispute against Perfect Day concerning a cross-border manufacturing and investment arrangement; Chubb, Axa XL, and Swiss Re in multi-jurisdiction aviation insurance litigation related to numerous airplanes allegedly grounded in Russia after the invasion of Ukraine; TD Bank in Ponzi scheme cases involving TelexFree in Massachusetts and National Realty Investment Advisors in New Jersey; Helen Frankenthaler Foundation in obtaining precedent-setting dismissal of dispute brought by former director; co-executors of estate of former CEO of Scholastic Inc. in various trust and probate matters; Hovnanian in landmark securities case regarding credit default swaps; Travelers in centi-million-dollar pollution coverage action; Bayer in emergency court proceeding that ended competitor’s advertising campaign in two weeks; Weight Watchers in large securities class action and related derivative suits; Bayer in advertising challenges regarding Claritin, Aleve and Maty’s Healthy Products; Ziegler Family businesses in shareholder disputes; and multiple confidential international and U.S. arbitrations. Devotes significant pro bono counsel to U.S. veterans, including work on historic ruling allowing veterans to bring class actions in Veterans Court and winning a 20-year dispute to secure disability benefits for a veteran following a VA appeal.

Career

Global Co-Chair of the Firm’s Litigation Department; Previously served as Co-Administrative Partner, on Executive Committee and as Co-Chair of Business Development, Recruiting, and Diversity Committees.

Professional Memberships

Fellow of American College of Trial Lawyers; Chair of the Board of Directors of the Legal Aid Society; Fellow of Litigation Counsel of America; Chair of the Board of Trustees of Practising Law Institute; Co-Chair of the Subcommittee on Best Practices of the Commercial Division Advisory Council; Steering Committee of Lawyers Committee of Inner-City Scholarship Fund; Former Chair of Board of Yale Law School Alumni Fund, Former Chair of New York City Bar Executive Committee.

Publications

Co-author of Chapter on Directors and Officers Coverage in PLI’s Treatise on Securities Litigation; Co-author of Chapter on Crisis Management in leading Treatise on Commercial Litigation in New York State Courts; Co-authored regular column on Highlight Decisions from the New York Court of Appeals for the New York Law Journal.

Personal

Yale Law School; Williams College; Law clerk for Judge Walker of the U.S. Court of Appeals for the Second Circuit and Judge Sarokin of the U.S. District Court for the District of New Jersey.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: General Commercial - New York

Star Individual
Star Individuals

Individual Editorial

Lynn Neuner maintains a versatile and sophisticated practice, which sees her act for corporate and financial clients in shareholder disputes and securities matters, as well as insurance litigation and complex commercial disputes.

Litigation: Securities - New York

Band 2
Band 2

Individual Editorial

Lynn Neuner maintains a versatile and sophisticated practice, which sees her act for corporate and financial clients in shareholder disputes and securities matters, as well as insurance litigation and complex commercial disputes.

Insurance: Dispute Resolution: Insurer - New York

Band 2
Band 2

Individual Editorial
Lynn Neuner maintains a strong insurer-side coverage practice. She has notable experience leading property damage, contamination and bodily injury claims.

Advertising: Litigation - USA - Nationwide

Band 3
Band 3

Individual Editorial
Lynn Neuner of Simpson Thacher & Bartlett LLP is a renowned litigator with a wealth of expertise in false advertising claims. She is especially active on behalf of clients in the pharmaceutical sector.

Insurance: Dispute Resolution: Insurer - USA - Nationwide

Band 3
Band 3

Individual Editorial

Lynn Neuner has a respectable level of expertise in insurance coverage. She represents clients in complex domestic and international disputes regarding, and is particularly experienced in coverage matters relating to personal injury lawsuits.

Strengths

Provided by Chambers

  • Lynn is a really savvy, smart and strategic litigator. She commands respect in the courtroom.

    Litigation: General CommercialChambers Guide to the USA
  • Lynn is incredible. Her attention to detail and ability to quickly see the whole picture, her temperament and client relation skills, as well as her skills in a courtroom, are just phenomenal.

    Litigation: General CommercialChambers Guide to the USA
  • Lynn is a tenacious litigator and an excellent strategist.

    Litigation: General CommercialChambers Guide to the USA
  • Lynn is a great partner and an incredible trial lawyer.

    Litigation: General CommercialChambers Guide to the USA
  • She is incredibly talented and is a strategic thinker who looks at all angles of the matter.

    Litigation: General CommercialChambers Guide to the USA
  • Lynn is incredibly professional and an effective advocate for her client.

    Insurance: Dispute Resolution: InsurerChambers Guide to the USA

Ranked Individuals at Simpson Thacher & Bartlett LLP (156)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

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    Tristan Brown

    Employee Benefits & Executive Compensation

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District of Columbia

Illinois

Massachusetts

New York

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