NEW YORK COMMERCIAL LITIGATION ATTORNEYS
The Long Island-based Commercial Litigation attorneys at Barnes & Barnes, P.C. pursue complex business claims in the Commercial Division of the New York State Supreme Court, Federal Court and various arbitration forums. Our decades of experience in Commercial Litigation helps us deliver pragmatic strategies to achieve solutions which align with the client’s business objectives. In that regard, we achieve timely and relevant results on a cost-effective, results-oriented manner.
How We Help Our Clients

Disputes between businesses

commercial litigation

breach of contract
arbitration
Business Fraud
cybersecurity & data breach litigation

Interference with business relationships
view all practices
what our clients say
meet the team
Leo K. Barnes, Jr.
Matthew J. Barnes
Ryan J. McMahon
Sonia A. Russo
Morgan E. Weber
recognitions
2023 Long Island Business News reader rankings winner x4
Best Construction Law Firm
Best Law Firm (Overall)
Best Business Formation Law Firm
Best Litigation Law Firm
Insights
When is Interference in a Business Relationship Unlawful?
While competition is expected and encouraged in the commercial arena, there is a strict boundary between fair competition and unlawful interference with a business relationship. Critically, if a third-party intentionally disrupts a business relationship of yours and...
Common Types of Business Disputes on Long Island — and How to Avoid Them
If you own a company on Long Island, you will inevitably face a business dispute at some point. Business disputes can arise in connection with contracts, financial matters, and disagreements between partners. They can also stem from a partner’s wrongdoing or a...
Common Pitfalls That Lead to Business Breakups
As a business grows, it’s not uncommon for relationships between partners to become strained over finances, strategy, and the direction of the company. In some cases, these conflicts can quickly escalate and lead to a complete breakup of the business. If you’re going...