Atty. Gavin G. McCarthy
Gavin McCarthy is a trial lawyer whose practice covers a wide variety of complex commercial litigation, with a particular emphasis on class action defense and construction litigation. Gavin's practice spans the country, from defending a leading disability insurer in a class action in Louisiana to representing a major energy provider in an eight-figure construction dispute in Maine to handling a series of building product class actions in South Carolina and Massachusetts.
Profile Summary
About Gavin G. McCarthy at a glance
Gavin G. McCarthy is a class action, construction, and product liability attorney based in Portland, Maine, practicing at Pierce Atwood LLP. Admitted to practice in United States, Maine and United States, Massachusetts. Educated at Boston College Law School (J.D., 2003) and Haverford College (B.A.). Recognitions include Lawyer of the Year — Mass Tort Litigation / Class Actions - Defendants, Portland (ME) (2026), Best Lawyers in America — Litigation - Construction (2026), and Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants (2026). Serands clients in Portland, ME and the surrounding metropolitan area.
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About
- Gavin McCarthy is a trial lawyer whose practice covers a wide variety of complex commercial litigation, with a particular emphasis on class action defense and construction litigation
- Gavin's practice spans the country, from defending a leading disability insurer in a class action in Louisiana to representing a major energy provider in an eight-figure construction dispute in Maine to handling a series of building product class actions in South Carolina and Massachusetts
- At the same time, Gavin regularly practices in both state and federal court in Maine, and is the author of the Maine sections of the ABA's 50-state survey of class action law and two leading 50-state construction law treatises
Practice Areas Explained
Gavin G. McCarthy's Areas of Practice
Each practice area below reflects the types of cases Gavin G. McCarthy handles, with a brief overview of what that area of law covers.
Gavin G. McCarthy is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Maine →
Gavin G. McCarthy is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Maine →
Gavin G. McCarthy is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Maine →
Jurisdictional Context
Why local counsel matters in Maine
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 andnue, 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.
Looking for additional Maine attorneys? Browse all attorneys in Portland or all attorneys in Maine.
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