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M. Ann Hatch

PartnerSt. Louis Metro / Madison County

M. Ann Hatch is a civil litigator resolving product liability, concentrating her practice on personal injury defense, premises liability, asbestos, and toxic tort matters. She has a particular focus on defending asbestos-related lawsuits as well as other toxic torts, such as benzene. Ann represents manufacturers, premises owners, and distributors.

Ann has tried many jury trials to verdict in state and federal courts in Illinois and Missouri. She is perhaps best known for her extensive work in lawsuits filed in the Illinois counties of Madison, St. Clair, McLean, and Cook, as well as in St. Louis and Jackson County, Missouri.

A strategic thinker and problem solver, Ann considers all of the crucial factors surrounding a case and how these ultimately impact her clients’ businesses and reputations. Synthesizing this information with the facts of the case, she strives to limit exposure and potential liability, informing clients of the potential outcomes before negotiating settlements or pursuing a trial.

Prior to joining Hinckley Allen, Ann was a shareholder in the St. Louis office of a full-service, multi-office law firm. She also previously served as a managing partner of a mid-sized regional law firm in St. Louis, Missouri, for several years. Ann began her career as a public defender before building her robust civil litigation practice. All of these experiences serve as a strong foundation for the practical and effective legal advice she provides to clients.

Work Experience

  • Hinckley Allen
    • Partner (2024-Present)
  • Sandberg Phoenix
    • Shareholder (2018-2024)
  • Herzog Crebs
    • Managing Partner (2006-2018)
    • Partner (2000-2018)
    • Associate (1997-2000)
  • Churchill, McDonnell & Hatch
    • Partner (1990-1997)
    • Associate (1983-1990)
  • St. Clair County
    • Assistant Public Defender (1978-1983)

Honors & Awards

  • Best Lawyers in America® (2026)
    • Personal Injury Litigation — Defendants
    • Product Liability Litigation — Defendants
  • St. Louis Business Journal, Most Influential Business Women (2026)
  • Missouri Lawyers Weekly, ICON Award
  • Inspired the formation of the M. Ann Hatch Award for the Land of Lincoln Legal Aid
  • Illinois Bar Foundation, Distinguished Service to Law & Society Award
  • St. Clair County Bar Association, Judge Richard A. Hudlin Memorial Award for Community Service
  • St. Clair County Bar Association, Inaugural Woman President

Charitable & Civic Involvement

  • Champions of the Illinois Bar Foundation, Fellow
  • Teen Court Foundation of St. Clair County, Member
    • Treasurer of the Board of Directors (2019-Present)
  • CASA of Southwestern Illinois
    • President of the Board of Directors (2021-2023)
  • Land of Lincoln Legal Aid, Member
    • President of the Board of Directors (2010-2016)
  • St. Vincent de Paul, Volunteer

Professional Affiliations

  • American Board of Trial Advocates
  • Bar Association of Metropolitan St. Louis
  • Defense Research Institute
  • Illinois State Bar Association
  • Missouri Bar Association

Bar Memberships

  • Illinois
  • Missouri
  • United States District Court for the Central District of Illinois
  • United States District Court for the Southern District of Illinois
  • United States District Court for the Eastern District of Missouri
  • United States District Court of Appeals for the Seventh Circuit
Firm News

St. Louis Business Journal Honors Ann Hatch as One of Region's Most Influential Business Women

Hinckley Allen is proud to announce that Litigation Partner Ann Hatch has been named one of the St. Louis Business Journal's 2026 Most Influential Business Women, an honor recognizing exceptional women leaders…

Firm News

Hinckley Allen Names The Teen Court Foundation of St. Clair County as 2026 Social Justice Partner

Firm Expands Social Justice Partnership Program to the Midwest, Supporting Restorative Youth Justice Hinckley Allen is proud to announce that The Teen Court Foundation of St. Clair County, based in Belleville, Illinois,…

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Upcoming Event

Sponsor: St. Louis Business Journal's 2026 Most Influential Business Women

August 13, 2026

Hinckley Allen is a proud sponsor of the St. Louis Business Journal’s 2026 Most Influential Business Women Awards and is pleased to announce that M. Ann Hatch, partner in the firm’s Litigation…

Past Event

Sponsor: Perrin Conferences — National Asbestos Litigation Conference

September 16, 2025

Hinckley Allen is proud to be a sponsoring firm of Perrin Conferences' National Asbestos Litigation Conference, a prominent, national-level legal event focusing on asbestos and related litigation. About Perrin Conferences: Perrin Conferences,…

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