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With millions of dollars won in compensation for his clients and nearly a decade of distinguished service, Attorney Justin L. Mason has earned a reputation as a loyal advocate when you need a St. Louis personal injury lawyer on your side. As the founder of The Law Offices of Justin L. Mason, LLC, he has handled cases involving some of the nation’s largest insurance companies while advocating for injury victims. His practice allows him to make positive change in the lives of those who were underserved by the companies they thought they could trust. If you were in a car, truck, or motorcycle accident, call The Law Offices of Justin L. Mason, LLC for a free consultation about how to proceed with your case.
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Chat withState: Missouri
Acquired: 2010
State: Illinois
Acquired: 2012
Lawyer disciplined by state licensing authority in 2025
1917 Rutger Ave., Saint Louis, MO, 63104
Showing 1 - 5 of 6 client reviews from Avvo
Posted by anonymous | January 16, 2020 | Hired Attorney
Justin Mason failed to tell me important information regarding my case. He dragged out my case for over a year because he didn’t know how to proceed with it. He then told me there was a “disconnect” in our professional relationship and asked for more money if I still wanted his representation. I ...
Posted by anonymous | November 16, 2016 | Hired Attorney
I never actually met Justin, we only communicated through phone and e-mail, which was always pleasant. Justin made sure I received whatever amount that was fair for my case. I am very pleased and would use his services again.
Posted by Tony | July 4, 2016 | Hired Attorney
I was involved in a rear end accident and Justin setup the treatment with a very good chiropractor. I was informed of the steps of the process necessary to settle my case. I had an excellent experience with Justin.
Posted by anonymous | June 27, 2016 | Consulted Attorney
After being involved in a car accident along with my longtime girlfriend and suffering a varay of spinal injuries, I followed a family members advice and went to Justin Mason's office. He welcomed me in immediately and took on my case right away. Once I signed the contract, he became my attorney in a...
Posted by anonymous | June 8, 2016 | Hired Attorney
When I first spoke with him he told me that he had a trial experience and was well versed in DWI cases. Once I hired him on he didn't do anything that he had promised during our introductory meeting. He did not handle a deposition for me, and for 7-months he didn't get the arrest video that was a key...
"if I ever need help with a case or have a question, Justin is there to help. His door is always open and he is knowledgeable about many areas of law, including personal injury and criminal defense. Good guy to have around!"
"Justin is a highly talented and energetic attorney. He is on my short list of lawyers to whom I refer clients."
"I endorse this lawyer. Justin is an excellent attorney and knows his way around a court room. I would highly recommend him."
Personal injury lawyer
Personal injury lawyer
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Personal injury lawyer
Personal injury lawyer
This lawyer was disciplined by a state licensing authority in 2025.
Disbarment issued in IL, 2025
updated on 12/16/2025This is the most serious penalty for a lawyer. If this attorney is currently practicing law, you should contact the Illinois State Bar to understand the reasons for this disbarment.
2012 - Present
Managing Partner, Law Offices of Justin L. Mason, LLC
2010 - 2011
Associate, Brown & James, PC
2012 - Present
Bar Association of Metropolitan St. Louis
2012 - Present
Missouri Association of Trial Attorneys
2012 - Present
Missouri State BarMember
2012 - Present
Illinois State Bar AssociationMember
2012 - 2013
Leadership Academy-Missouri BarMember
Not Guilty
2010
N/A
BS - Bachelor of Science
English
Legal Answers
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