Matthew K. Flanagan

Co-Chair, Disciplinary Board Representation Practice Group
Shareholder

Matt is a highly skilled litigator with over 30 years of trial and appellate experience and serves as Co-Chair of the firm's Disciplinary Board Representation Practice Group. His practice is concentrated on the defense of lawyers against malpractice actions, Judiciary Law 487 claims and grievances. He also defends other professionals and handles general litigation matters on behalf of corporate clients. He has successfully tried cases in New York City and its surrounding counties and has secured dozens of victories in attorney liability cases in New York State’s appellate courts.

With a career-long focus on professional liability litigation, Matt lectures throughout the state on legal malpractice prevention and defense, ethics and professional responsibility. His articles relating to attorney ethics have been cited in the authoritative codification of the laws of New York, as well as New York’s leading treatise on the Rules of Professional Conduct.

Among his numerous professional memberships, he is President of the Theodore Roosevelt American Inn of Court and is a member of the New York State Bar Association's Law Practice Management and Insurance Committees. He is a longtime member of the Nassau County Bar Association and served as Chair of the Association’s Ethics Committee from 2019 to 2022. He is also a longtime member of the American Bar Association.

Matt has been recognized annually as a New York Metro Area Super Lawyer for over a decade and is rated AV Preeminent™ by Martindale-Hubbell, the highest peer-review ranking for an attorney's professional and ethical competence. A graduate of St. John's University School of Law and Fordham University, he is admitted to practice before the courts of the State of New York, the United States District Courts for the Southern and Eastern Districts of New York and the United States Court of Appeals for the Second Circuit.

Admissions
New York
1993
U.S. District Court Eastern District of New York
1993
U.S. District Court Southern District of New York
1993
U.S. Court of Appeals 2nd Circuit
1996
Education
St. John’s University School of Law (J.D., 1992)
Fordham University (B.A., 1989)
Honors & awards
New York Metro Area Super Lawyer
2012-2024
Associations & memberships
American Bar Association (2007-Present)
Nassau County Bar Association (1999-present); Ethics Committee (2011-present); Ethics Committee Chairman (2019-2022)
New York State Bar Association (1999-present); Law Practice Management & Insurance Committees (2011-present)
St. John’s University Alumni Association, Nassau Chapter (2000-present); President (2017-2020)
Theodore Roosevelt American Inn of Court, (2011-present); President (October 2023-present)
Year joined
2024