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Spencer, Sean M.

Sean M. Spencer - Buffalo, NY

Attorney at Hagelin Spencer LLC

Lawyers in Buffalo, NY

135 Delaware Ave. Ste. 200 Buffalo, NY 14202 - 2500

  • 1 Super Lawyers®
  • 18 Years 
    Experience

Updated: 03/10/2026

Attorney Information

Overview

Sean M. Spencer graduated from Trinity College with a double major in History and English in 1999. He is a 2006 graduate of the University Of Dayton School Of Law where he was a member of the Thomas Moore Society.

Mr. Spencer worked for the 6th and 2nd Circuit Federal Defenders’ Offices while attending law school. He also previously worked as a securities block trader for Metropolitan Life Securities in Boston, Massachusetts.

Mr. Spencer is admitted to practice in the State of New York and the Western District of New York. He is responsible for civil litigation including insurance defense, automobile negligence, personal injury, products liability, and appeals. In addition to his work at Hagelin Spencer LLC’s office in Buffalo, Mr. Spencer also is the managing partner of our Garden City office, handling matters in New York City and Long Island.

Sean is a member of the Erie County Bar Association


Awards and Honors

Super Lawyers® Selectees

SuperLawyers

Sean M. Spencer included in a Super Lawyers® list

Other Sources of Feedback About Sean M. Spencer

Included on the 2026 Upstate New York Super Lawyers list


Past Lists

  • 2025 Upstate New York Super Lawyers list
  • 2024 Upstate New York Super Lawyers list
  • 2023 Upstate New York Super Lawyers list
  • 2022 Upstate New York Super Lawyers list
  • 2020 Upstate New York Super Lawyers list
  • 2019 Upstate New York Super Lawyers list
  • 2018 Upstate New York Super Lawyers list
  • 2017 Upstate New York Super Lawyers list

Education

  • Legal Education

    • University of Dayton School of Law, Dayton, Ohio
      Honors: Thomas Moore Society, Member
  • Non Legal Education

    • Trinity College, 1999
      Major: History and English

Current Employment Position(s)

  • Member

Bar Admissions

  • New York
  • U.S. District Court Western District of New York

Other Affiliations

  • Erie County Bar Association (Member)

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