Mary Petronio
Associate
Mary’s wide-ranging practice includes complex commercial litigation, land use and property disputes, and eminent domain law. She has been involved with trials before the Massachusetts Superior Court, the Massachusetts Land Court, and the United States District Court for the District of Massachusetts, along with appeals before the Massachusetts Appeals Court and Supreme Judicial Court.
Before joining Verrill, Mary served as a judicial intern in the chambers of the Honorable Allison D. Burroughs of the United States District Court for the District of Massachusetts and an intern in the Trial Division of the Massachusetts Attorney General’s Office. Prior to law school, she also worked as a legal analyst in a large intellectual property firm, honing a familiarity with IP work and an appreciation for innovation.
Mary has a working fluency in Spanish due to her undergraduate study of international social movements and human rights in Buenos Aires, Argentina.
When she’s not in the office, Mary can be found baking, traveling, or spending time (preferably near the water) with her family in Rhode Island, where she was born and raised.
Verrill Attorney Stephen Segal Named President of the Maine Chapter of the Federal Bar Association
PORTLAND, Maine – Verrill attorney Stephen B. Segal has been elected President of the Maine Chapter of the Federal Bar Association (FBA). The...42 Verrill Attorneys Named 2026 Super Lawyers and Rising Stars
BOSTON, Mass.; BANGOR, Maine; PORTLAND, Maine; and WESTPORT, Conn. – Verrill is proud to announce that 42 attorneys have been recognized in the...Verrill Attorney Annabel Rodriguez Named Top Women of Law by Massachusetts Lawyers Weekly
BOSTON, Massachusetts – Verrill attorney Annabel Rodriguez has been recognized as a Top Women of Law by Massachusetts Lawyers Weekly, and will be...What Employee Benefits Lawyers Do (and How to Make the Best Use of Us)
What do employee benefits lawyers do all day and how can clients make the best use of them? This post offers an overview of the kinds of things...Bloomberg Law Quotes Robert Keach on Expanded Access to Small Business Reorganization
Verrill attorney Bob Keach was recently featured in Bloomberg Law, discussing legislation that would raise debt limits for bankruptcy relief and...Phil Bartlett to Step Down as Chair of the Maine Public Utilities Commission
On September 15, 2026, Governor Janet Mills announced that Phil Bartlett will step down as Chair of the Maine Public Utilities Commission (PUC)...Jay McCormack and Michael Fee Co-Author AHLA Article on Skin Substitute Enforcement Trends
Verrill Partners Jay McCormack and Michael Fee co-authored an article for the American Health Law Association's Fraud and Abuse Practice Group...