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About Matthew
Biography
Practice Areas
1
Practice Area
Fees and Rates
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Chat withLicenses
Licensed in New York for 33 years
State: New York
Acquired: 1993
No misconduct found
Licensed in Connecticut for 33 years
State: Connecticut
Acquired: 1992
No misconduct found
Location
Catalano Gallardo & Petropoulos, LLP
100 Jericho Quadrangle, Suite 214, Jericho, NY, 11753-2702
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Matthew Kelly Flanagan's Reviews
Avvo Review Score
Not Yet Reviewed
Matthew Kelly Flanagan's Lawyer Endorsements
Christopher Clarke
Ethics and professional responsibility lawyer | Oct 06
Relationship: Fellow lawyer in community
"I worked with Matt in the past. He is a very knowledgeable attorney."
"I endorse this lawyer. I worked with Matt for several years and I have known him for more than 14 years. He is a smart, hard working, and experienced attorney. He knows his stuff. Excellent attorney!"
William McCaffery
Ethics and professional responsibility lawyer
Experience
Honors
2025
AV Preeminent, Martindale-Hubbell®
2024
Super Lawyers, Thomson Reuters
2023
Super Lawyers, Thomson Reuters
2022
Super Lawyers, Thomson Reuters
2021
Super Lawyers, Thomson Reuters
2020
Super Lawyers, Thomson Reuters
2015
AV Preeminent Rated, Martindale-Hubbell
2014
Super Lawyers - New York Metro, Thomson Reuters
2014
AV Preeminent Rated, Martindale-Hubbell
2013
Super Lawyers - New York Metro, Thomson Reuters
2013
AV Preeminent Rated, Martindale-Hubbell
2012
Super Lawyers New York Metro, Thomson Reuters
2012
AV Peer Review Rating, Martindale-Hubbell
2011
AV Peer Review Rating, Martindale-Hubbell
2010
AV Peer Review Rating, Martindale-Hubbell
Work Experience
2024 - Present
Shareholder/Practice Group Co-Chair, Marshall Dennehey, P.C.
2007 - 2024
Partner, Catalano Gallardo & Petropoulos, LLP
Associations
2011 - Present
Theodore Roosevelt American Inn of CourtMaster
2011 - Present
Nassau County Bar AssociationEthics Committee
2011 - Present
New York State Bar Association Law Practice Management CommitteeMember
2007 - Present
American Bar AssociationMember
2001 - Present
Nassau County Bar AssociationMember
1999 - Present
New York State Bar AssociationMember
2023 - 2024
Theodore Roosevelt American Inn of CourtPresident
2019 - 2022
Nassau County Bar AssociationChair, Ethics Committee
2018 - 2021
St. John's University School of Law, Alumni Assoc., Nassau ChapterPresident
Sample of Legal Cases
Harrison v. State of NY, et al., No. 14-cv-1296 (E.D.N.Y. 2015)
Dismissal
Breytman v. Schechter, 101 A.D.3d 783 (2d Dept. 2012)
Dismissal
Specialized Industrial Services Corp. v. Carter, 99 A.D.3d 692 (2d Dept. 2012)
Dismissal
Engler v. Kalmanowitz, 60 A.D.3d 540 (1st Dept. 2009)
Dismissal
Beagle Developers, LLC, 63 A.D.3d 607 (1st Dept. 2009)
Dismissal
Goldberg v. Lenihan, 38 A.D. 3d 598 (2d Dept. 2007)
Dismissal
Kim, No. 04 Civ. 3755, 2007 WL 1649902 (S.D.N.Y. 2007)
Dismissal
Education
1992
St. John's University School of Law
JD - Juris Doctor
1989
Fordham University
BA
Speaking Engagements
2015
Nuts and Bolts of Grievances
Ethics and Professional Responsibility
2015
Legal Malpractice 2015
Legal Malpractice
2014
Risk Management 2014
Legal Malpractice Defense/Risk Management
2014
Professional Liability and Grievances: Avoiding the Road from the Closing Table to the Grievance Committee
Ethics and Professional Liability
2013
Risk Management for Lawyers
Legal Malpractice Defense/Risk Management
2013
Legal Malpractice - Insuring, Avoiding and Defending Yourself Against It
Legal Malpractice Defense
2012
The Ethics of Referrals
Ethics/Professional Liability
2011
Legal Malpractice Avoidance
Legal Malpractice Defense
Publications
2015
New York State Bar Journal
Follow the Money - Escrow Accounts and The Dangers of Excessive Delegation and Deference