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Law Office of John J. Sheehan, LLC

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Massachusetts Personal Injury Lawyers | John Sheehan Law

Boston, Massachusetts
Civil Law Attorney
4.9 - 114 Reviews

About the Attorney

The Law Office of John J. Sheehan, LLC is a highly experienced law firm in Boston, Massachusetts, specializing in personal injury, civil law, and employment law. With a team of dedicated attorneys, they have successfully represented hundreds of clients in their legal matters. Whether you have been injured in an accident, need assistance with a civil dispute, or are facing issues in the workplace, their team is here to provide expert legal guidance and representation.

As leading Massachusetts personal injury lawyers, The Law Offices of John Sheehan offer a free case review to assess your situation and determine the best course of action. With their extensive knowledge and resources, they are committed to helping clients achieve the justice and compensation they deserve. Contact their office today to schedule a consultation with a skilled attorney who will fight for your rights and advocate on your behalf.

Practice Areas

Client Reviews

Matheus S. Avatar
Matheus S.
5 star rating
6/25/2026
It's been a privilege to have John Sheehan represent me as my Workers Compensation during one of the toughest periods of my life. My employer pressured me to sign all my documents extremely quickly for WC and wasn't sure what to do, John was willing to meet with me at 9pm and sat with me for over an hour explaining everything that I needed to know to understand this process, the willingness to do that for me made it a obvious choice to have him represent me. He has a wonderful team backing him, including Senior Paralegal Mary Lopez always being extremely attentive to every detail, quick responses to any questions I have, and keeping me up to date to every part of the case that is happening. I couldn't picture anyone else representing me. If you need Workers Compensation claim. Go all in with John Sheehan!
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Cyrus C. Avatar
Cyrus C.
5 star rating
6/08/2026
John Sheehan is a top tier attorney. I experienced a severe back injury at work and at every turn over the course of 3+ years WC attempted to; deny and delay my medical care, take my compensation, was never reachable, and tried every trick in the book to not provide my medical care or compensation. Thankfully John went to BATTLE for me and WON every time. Including our greatest victory in settling our case with full future medical care and adequate financial compensation. His staff, specifically Mary is responsive, knowledgeable, polite, helpful and truly give you their all. If you're facing any work related injury the best investment/decision you'll ever make is hiring John. -Cy
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Cyrus Avatar
Cyrus
5/03/2026
I've been client of John's for 3 years now. I broke my back working in a factory. Had to have a fusion surgery, spine cord stimlulator, prostetic, 2 rounds of physical therapy, nerve blocks, cortisone shots, and numerous medications trials. At every turn WC would deny my treatment on grounds that they need more info, then call the DR offices to get this info at times they need the office was closed. Every time John and his team appealed the denial and won. Getting me the treatment I definitely needed. WC tried taking away my salary compensation or lowering the amount multiple times, John got my full compensation back every time within a week. WC tried to get me to settle for pennies knowing my 20 year career was over because of my company's Gross negligence. John and his team specifically Mary and Joanna were always there when I called to handle any issues I was facing. I thought at first I didn't need an attorney I'm a smart guy I can handle this in my own. I quickly learned they don't play fair and it's a dirty game and I needed and advocate that new the rules and would protect my best interest. John truly had my back and fought for me until I got all the care I needed and then the best financial outcome I could've hoped for. Don't do this alone get John Sheehan in your corner and I guarantee he'll provide the best outcome for you and your family.

Thank John, Mary, Joanna, and the rest of the team behind the scenes. I owe you the security and well-being of my family's future and I can never truly pay that back. 1000 x thank you and best wishes to you and yours.
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Faeda Boursiquot Avatar
Faeda Boursiquot
4/21/2026
Law Office of John J. Sheehan, LLC is one of the best law firm in was referred to. I am being treated with care attention and compassion. The office timing with my claim was perfect. When you call they contacted you asap. Attorney John J. Sheehan, is all I expected I highly recommend anyone with a car accident to get their services here.
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Ben Sid Avatar
Ben Sid
4/01/2026
Great experience working with The attorney Mr John J. Sheehan and his team. They were professional, clear and truly cared about my case. I felt supported the whole time and really appreciate their hard work. Highly recommend!
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