Civil Litigation & More Attorney · Serving Portland, ME · 33+ Years Experience
Profile Summary
About Thomas S. Marjerison at a Glance
Thomas S. Marjerison is a Member based in Portland, Maine, practicing at Norman, Hanson & DeTroy, LLC. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on criminal defense, litigation, and insurance. Admitted to practice in Maine (1993) and U.S. District Court, District of Maine U.S. Court of Appeals, First Circuit U.S. Supreme Court (1993). Educated at University of Maine School of Law (J.D., 1993) and Connecticut College (B.A., 1989). Recognitions include AV Preeminent. Active member of Maine State Bar Association Maine Trial Lawyers Association Defense Research Institute Maine Association of Criminal Defense Attorneys. Serves clients in Portland, ME and the surrounding metropolitan area.
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About Thomas S. Marjerison
- Mr. Thomas S. Marjerison is a lawyer practicing civil litigation, criminal defense, insurance defense
- Thomas received a B.A. degree from Connecticut College in 1989, and has been licensed for 33 years
- Thomas practices at Norman, Hanson & DeTroy, LLC in Portland, ME
Practice Areas Explained
Thomas S. Marjerison's Areas of Legal Practice
Each practice area below reflects the types of cases Thomas S. Marjerison handles, with a practical overview of what that area of law involves and how it may apply to your situation in Portland.
Criminal Defense in Portland
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Thomas S. Marjerison is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Maine →
Civil Litigation in Portland
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Thomas S. Marjerison is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Maine →
Insurance Law in Portland
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
Thomas S. Marjerison is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Maine →
Jurisdictional Context
Why Local Counsel Matters in Portland
Practicing law in Maine. Legal matters in Maine are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Maine state district court, depending on subject matter and amount in controversy. An attorney licensed in Maine brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Maine courts without local counsel or pro hac vice admission.
Portland Courts and Legal Process
Choosing a Portland-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Maine attorneys? Browse all attorneys in Portland or all attorneys in Maine.
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Professional Profile
Why Clients in Portland Choose Thomas S. Marjerison
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Thomas S. Marjerison's practice in the field of criminal defense, litigation, and insurance.
Decade-Tested Legal Experience
Thomas S. Marjerison brings 33+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Maine and U.S. District Court, District of Maine U.S. Court of Appeals, First Circuit U.S. Supreme Court, Thomas S. Marjerison can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense, litigation, and insurance, Thomas S. Marjerison can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Portland
A Portland-based practice means Thomas S. Marjerison attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find Thomas S. Marjerison Online
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Thomas S. Marjerison's Practice Areas & Specializations
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