William Cooper

William Cooper is a seasoned personal injury attorney at Billy Cooper Law in White Plains, New York. With an exclusive focus on personal injury litigation, he has earned a reputation for tenacity, compassion and meticulous preparation, helping to elevate his firm to one of the most successful practices serving injured clients in the New York metropolitan area. Since his admission to the New York State Bar Association in 1991, he has secured substantial verdicts and settlements on behalf of individuals harmed in motor vehicle collisions, premises liability incidents, workplace accidents and catastrophic-injury claims, always advocating vigorously to ensure his clients receive the compensation they deserve.

Mr. Cooper’s academic credentials underscore his commitment to excellence. He earned a Bachelor of Arts degree from Union College in 1987 and received his Juris Doctor in 1990, distinguishing himself through rigorous study and scholarly achievement. His dedication to legal craftsmanship is reflected in the Distinguished* peer-review rating through Martindale-Hubbell, recognizing both his professional skill and ethical standards.

A respected member of the legal community, Mr. Cooper holds memberships with the Association of the Bar of the City of New York, the Westchester County Bar Association, the New York State Trial Lawyers Association and the American Bar Association. He regularly contributes to continuing-education programs and is slated to lead a 2025 CLE webinar for Strafford on “Rideshare Arbitration Clauses: Navigating Passenger Rights and Compensation in Personal Injury Cases,” sharing his insights on evolving liability frameworks.

Beyond his practice, Mr. Cooper is deeply committed to pro bono service, volunteering at local legal aid clinics and mentoring law students to foster the next generation of trial lawyers. Clients appreciate his clear communication, strategic counsel, and personalized approach to every case. Holding an “Excellent” rating on Avvo and fluent in Spanish, he effectively serves a diverse clientele, ensuring that language barriers never impede access to justice. 

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.