Our Mission: A Voice for the Voiceless
People who know William Mattar Law Offices know the firm for its long-standing commitment to helping individuals who have been harmed through no fault of their own. That commitment now extends beyond individual accident cases to complex mass tort litigation, where large groups of people are injured by the same dangerous product, drug, or corporate misconduct.
William Mattar opened the doors to this law firm with one goal in mind: to make a meaningful difference for injured people. That guiding principle remains at the core of the firm’s mission today. By focusing on mass tort cases, William Mattar Law Offices is able to stand up to powerful corporations and pursue accountability on behalf of individuals whose voices might otherwise go unheard.
Meet Our Dedicated Team
Our attorneys bring a wealth of experience and a shared passion for justice to every case they handle.
William Mattar
Owner and PresidentWith more than 30 years of experience and more than half a billion dollars* recovered for clients, William Mattar Law Offices has earned a reputation for advocating aggressively on behalf of injured victims throughout New York. The firm’s attorneys bring cutting-edge legal training to every case and have helped thousands of clients and families over the years. That experience and dedication are now being applied to mass tort claims involving defective products, dangerous drugs, and other large-scale harms.
Since the firm was established in 1990, William Mattar Law Offices has expanded its presence across New York State to better serve injured individuals. The principal office remains in Buffalo (Williamsville), with intake locations in Albany, Rochester, Syracuse, New York City, and Long Island—ensuring accessibility for clients statewide.
If you believe you were harmed by a defective product, pharmaceutical drug, or widespread corporate wrongdoing, William Mattar Law Offices is prepared to review your situation. The firm offers free initial consultations and is committed to helping individuals understand their legal options in mass tort litigation.