Business Details
50+ Years
experience
Emergency
services
Your Trusted Legal Partner in Patchogue, NY
Established in 1956, our firm has built a legacy of delivering result-driven legal representation across New York. With deep expertise in insurance defense, commercial litigation, environmental law, and criminal defense, we combine decades of trial experience with a personalized approach. Our attorneys, recognized for their advocacy in state and federal courts, prioritize cost-effective solutions while maintaining readiness to litigate complex cases. Rooted in traditional values yet adaptable to modern challenges, we serve clients from Fortune 500 companies to local individuals with equal dedication. Our practice areas reflect a commitment to resolving disputes through negotiation, trial, or alternative dispute resolution, supported by a team of seasoned trial attorneys and appellate specialists.Headquartered in Patchogue with a New York City office, we offer proximity to regional courts and regulatory bodies. Our environmental litigation group handles specialized cases involving hazardous waste and statutory compliance, while our securities practice addresses investment-related disputes. The criminal defense team, led by a former prosecutor, provides strategic counsel from investigation through appeal. Real estate transactions and business law services emphasize efficiency, ensuring deals close promptly without compromising quality. This enduring focus on client needs, combined with our native New York perspective, defines our approach to legal representation.
Services
Defense Litigation
Commercial Litigation
Environmental Litigation
Securities Litigation
Real Estate Transactions
Criminal Defense
Details
- Year established: 1956
Highlights and features
- We offer 60+ years of combined legal experience in New York courts.
- Our team includes recognized trial attorneys with appellate expertise.
- We provide cost-effective solutions while maintaining trial readiness.
- Specialized practice groups address complex environmental and securities law matters.
- Native New York attorneys offer localized insights with regional court familiarity.
Services
Defense Litigation
Our defense litigation practice specializes in construction site accidents, labor law violations, and premises liability cases. With decades of experience in New York courts, we provide pre-litigation counsel and trial representation for site owners, contractors, and insurers. Our attorneys have shaped legal precedents through successful appellate arguments on indemnity clauses and labor law applicability.
Commercial Litigation
We resolve business conflicts through negotiation or litigation, handling contract breaches, racketeering claims, and commercial disputes. Our team represents clients in state and federal courts while offering transactional support for mergers and acquisitions. Mid-market companies benefit from our sophisticated counsel without large-firm overhead costs.
Environmental Litigation
This practice group handles hazardous waste cases, oil spill litigation, and regulatory compliance matters under CERCLA and RCRA. Our attorneys combine technical hydrology knowledge with legal expertise to resolve complex environmental disputes, representing clients in both state and federal enforcement actions.
Securities Litigation
We represent clients in securities fraud cases, suitability claims, and FINRA arbitration proceedings. Our practice addresses investment mismanagement issues while maintaining sensitivity to clients' financial and reputational concerns through expedited dispute resolution processes.
Criminal Defense
Led by a former prosecutor, our criminal defense team handles cases from investigation through appeal in federal and state courts. We provide preventative counseling, internal investigation support, and personalized defense strategies for both individuals and businesses facing criminal charges.
People
Stephen J. McGiff
Partner
A Fordham graduate and former 69th Infantry officer, Stephen McGiff brings military discipline to his legal practice. With over 30 years of experience, he focuses on litigation strategy and client advocacy.
John Halverson
Partner
As former prosecutor and security industry executive, John Halverson leads the criminal defense practice. His decade in private security informs practical risk assessment approaches for corporate and individual clients.
Robert Dooley
Partner
Specializing in business and environmental litigation, Robert Dooley combines transactional expertise with trial experience. He represents clients in complex commercial disputes and hazardous waste litigation matters.
Joseph M. Nador
Partner
A St. Johns Law Review author, Joseph Nador focuses on premises liability and employment law. His practice includes contract disputes, subrogation claims, and student-related legal matters.
Daniel O'Connell
Partner
A Fordham Law Review editor and Cambridge LLM graduate, Daniel O'Connell clerked for the Second Circuit. He specializes in appellate advocacy and complex litigation matters requiring nuanced legal analysis.
Questions
What areas of law does McGiff Halverson Dooley Nador specialize in?
We focus on defense litigation, commercial disputes, environmental law, securities litigation, criminal defense, and real estate transactions across New York courts.
How does the firm handle complex litigation cases?
Our attorneys analyze every case for trial readiness while pursuing cost-effective resolutions through negotiation, mediation, or motion practice tailored to client needs.
Can the firm represent both large corporations and individuals?
Yes, we serve Fortune 500 companies and local clients equally, providing sophisticated legal counsel adapted to each client's specific requirements.
What experience does the criminal defense team have?
Led by a former prosecutor, our team handles cases from investigation through appeal, offering strategic defense in federal, state, and local courts.
How does the firm approach environmental litigation?
We combine technical hydrology knowledge with legal expertise to resolve hazardous waste cases and regulatory compliance matters under federal and state statutes.
