I am a Board Certified Workers’ Compensation Specialist. I represent injured persons in work‑related injuries and other personal injury matters. I was previously employed as a claims representative and defense attorney representing insurance companies and their insureds. I served as Chair of the Connecticut Bar Association Workers’ Compensation Section and also as Vice‑Chair and Continuing Legal Education Chair. I have lectured on workers’ compensation and personal injury topics and authored articles in the CBA Compensation Quarterly. I served as President of the Tolland County Bar Association and am a member of Connecticut Trial Lawyers Association. I have served as an adjunct faculty member at University of Connecticut School of Law and Asnuntuck Community College.
I received my law degree from Western New England University School of Law, and my BA in Economics and History from Westfield State University. I also studied at American International College.
I have served on numerous committees and boards, including the Board of Selectmen and Board of Finance for the Town of Ellington, Board of Trustees for our church, and Rockville Downtown Association.
I live in Vernon, CT with my wife Francine. We have two children and 6 grandchildren, and have enjoyed family outings at the beach and I love sking with my grandchildren. In the summer I love to garden and enjoy the outdoors.
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Practice Areas
46 years | 2,000 cases
46 years | 500 cases
20%-33%
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Chat withState: Connecticut
Acquired: 1981
No misconduct found
State: Massachusetts
Acquired: 1980
No misconduct found
736 Deming Street, South Windsor, CT, 06066
1 Corporate Drive, Enfield, CT, 06082
300 Plaza Middlesex, 203 Main Street, Middletown, CT, 06457
999 Asylum Ave., Hartford, CT, 06105
3 Client Reviews
Showing 1 - 1 of 1 review | Advocacy
Posted by Muha | January 06, 2017 | Hired Attorney | Workers Compensation
World Class Law Firm
Everything about Leighton, Katz & Drapeau is superb! They are caring, honest, dependable, hardworking, proven winners, and litigate with your interests at heart! We had a work-related injury case, and it was an absolute pleasure working with Attorney Leighton and Louise. Louise always welcomed our ca...
"I enthusiastically endorse Mark Leighton for anyone seeking a workers compensation attorney. I have had numerous occasions to refer my clients to Mark for legal advice and representation in workers compensation matters all of whom have been pleased with his counsel and representation."
"I have had the pleasure of knowing Mark Leighton for the past nine years. Mark is a top notch Workers' Compensation Attorney and is my "go to" for workers' compensation referrals and questions. If you have been injured at work, Mark is your guy."
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2025
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2024
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2023
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2022
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2018
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2017
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2016
Super Lawyer, Super Lawyers Magazine
2016
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2016
Lead Counsel Rated - Workers' Compensation, Lead Counsel Review Board
2016
Peer Review Rated AV, Martindale-Hubbell
2015
Super Lawyer, Super Lawyers
2014
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2013
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2012
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2011
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2010
Super Lawyer, Super Lawyers
2009
Super Lawyer, Super Lawyers
2001
Board Certified Workers' Compensation Specialist, Connecticut Bar Association
1989 - Present
Founding and Managing Attorney, Leighton Katz & Drapeau
2002 - 2003
Adjunct Professor, UConn Law School
1987 - 1989
Associate Attorney, Trowbridge Ide Courtney & Mansfield
1984 - 1985
Adjunct Professor, Asnuntuck Community College
1981 - 1987
Associate Attorney, Draghi & Leighton
1980 - 1981
Legal Intern/Claim Representative, Insurance Company of North America
1995 - Present
Connecticut Trial Lawyers AssociationMember
2009 - 2011
Connecticut Bar AssociationChair - Workers' Compensation Section
1999 - 2000
Tolland County Bar AssociationPresident
Award for payment of total disability payments upheld on appeal
1980
Juris Doctor (J.D.),
1977
BA - Bachelor of Arts
2005
Legal Issues of a Workers' Compensation/Personal Injury case
2001
Presentation of a Workers' Compensation case - start to finish
2011
2010
2010
2009
2003
English