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Mark J. O'Brien
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Licensed in Massachusetts for 27 years
State: Massachusetts
Acquired: 1998
No misconduct found
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Attorney Mark J O'Brien
39 William Ave, Haverhill, MA, 01835-7607
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Mark J. O'Brien's Reviews
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1 Client Review
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Posted by Loren | May 05, 2026 | Hired Attorney
Knowledgeable attorney
Attorney Mark O’Brien was extremely professional and knowledgeable, and always went the extra mile to support me in my case. His attention to detail and communication regarding the case made all the difference in the world. I highly recommend him to anyone seeking legal assistance.
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