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Business Details
50+ Years
experience
Your Trusted Legal Partner in Portland, ME
Since 1975, Norman Hanson & Detroy has established itself as one of Maine's most respected law firms and a leader in northern New England's legal landscape. Our firm combines decades of experience with a commitment to efficiency and effectiveness, delivering results-oriented representation across a broad spectrum of practice areas. Our attorneys are recognized locally, regionally, and nationally for their expertise in litigation, insurance defense, labor law, and commercial disputes, consistently achieving favorable outcomes for clients through mediation, trial, and appellate work.

As a member of ALFA International, we leverage a global network of independent law firms to provide cost-effective, high-quality legal solutions while maintaining our deep roots in Maine's legal community. Our focus on professional excellence is reflected in our U.S. News Best Lawyers rankings and Benchmark Litigation recognition, underscoring our reputation as a premier litigation boutique with specialists in every practice area.
Services
Appellate Practice Commercial Litigation Insurance Law Medical Malpractice Defense Workers' Compensation Law
Details
  • Year established: 1975
Highlights and features
  • We offer 50+ years of combined legal experience through our team of recognized specialists
  • Our ALFA International membership provides global resources with local representation
  • We maintain cost-efficient practices without compromising litigation effectiveness
  • Our attorneys are consistently recognized by peers in regional and national rankings
  • We provide tailored legal strategies based on deep understanding of Maine's legal landscape
Associations and certifications
  • ALFA International
  • U.S. News Best Lawyers
  • Benchmark Litigation
What people say
Top-notch firm Excellent trial lawyers Highly recommended
Services
Appellate Practice
Our appellate specialists handle complex legal issues across state and federal courts. With decades of experience in high-stakes appeals, we craft strategic arguments that have shaped legal precedents in Maine and beyond. Clients benefit from our deep understanding of judicial processes and our track record of overturning unfavorable trial outcomes while preserving favorable rulings.
Commercial Litigation
We represent businesses in contract disputes, shareholder conflicts, and commercial matters. Our approach combines aggressive advocacy with practical business insights to resolve disputes efficiently. Our team's experience in complex commercial cases ensures clients receive strategic counsel that protects their financial interests and operational continuity.
Insurance Law
Specializing in insurance coverage and defense matters, we protect insurers' interests in complex claims. Our attorneys handle bad faith litigation, coverage disputes, and regulatory compliance issues. With deep expertise in policy interpretation and risk management, we provide comprehensive solutions that minimize exposure and maximize coverage protection.
Medical Malpractice Defense
We defend healthcare providers in malpractice claims across Maine's state courts. Our team combines medical expertise with litigation experience to challenge unfounded claims while resolving valid cases efficiently. Our proactive approach to evidence gathering and expert testimony preparation consistently delivers favorable outcomes for medical professionals and institutions.
Workers' Compensation Law
Representing employers in workers' compensation matters, we handle claims defense and regulatory compliance. Our attorneys work closely with businesses to develop injury prevention strategies while aggressively contesting fraudulent or excessive claims. Our deep understanding of Maine's workers' compensation laws helps employers minimize costs and maintain workplace safety standards.
People
Rosie M. Williams
Member
Recognized Super Lawyer in litigation, representing Maine professionals and businesses in complex disputes. Phi Beta Kappa graduate of University of Vermont with legal expertise in property casualty claims and employment discrimination cases.
Joe Mavodones
Attorney
Accomplished litigator with notable appellate victories in medical malpractice cases. Demonstrated expertise in dismissing tort claims through strategic legal arguments and procedural expertise.
Devin Deane
Attorney
Experienced trial attorney with successful outcomes in high-profile medical liability cases. Recognized for effective appellate advocacy and complex litigation management in Maine's courts.
Lyndsey Mattus
Attorney
Skilled legal practitioner recently joined the firm, bringing fresh perspective to our litigation team while maintaining our commitment to rigorous client representation.
Elizabeth L. Carder
Administrator
Manages firm operations with over 20 years of legal administration experience, ensuring efficient support for attorneys and clients through effective resource coordination.
Questions
What practice areas does Norman Hanson DeTroy specialize in?
We specialize in appellate practice, commercial litigation, insurance law, medical malpractice defense, and workers' compensation law, with additional expertise in labor law and real estate litigation.
Does the firm offer payment plan options?
While we don't offer traditional payment plans, our attorneys work to provide cost-efficient representation and offer online payment options for client convenience.
What areas do you serve beyond Maine?
While based in Maine, our ALFA International membership enables us to handle cases across northern New England and collaborate with legal professionals nationwide.
How does the firm maintain legal excellence?
Through continuous professional development, ALFA International network collaboration, and maintaining our U.S. News Best Lawyers rankings across multiple practice areas.