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William H. Cooper
also known as Billy Cooper
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About William
Biography
William H. Cooper began practicing law in a large New York City law firm before joining the law firm of Marvin A. Cooper, P.C. in 1991. Billy had the opportunity to learn under the tutelage of Marvin for many years before becoming the lead trial counsel of the firm over the past fifteen years. Under the lead and guidance of Billy, the firm of Marvin A. Cooper, P.C., continues to maintain its reputation of class, dignity and success which was started by his father Marvin. As an attorney who believes that preparation is the key to success, Billy has carried forward the legacy and reputation of Marvin A. Cooper, P.C. The belief in assisting those who have been injured and giving them the best representation possible has allowed Billy to further establish Marvin A. Cooper, P.C., as one of the most successful personal injury law practices in the New York Metropolitan Area.
A Personal Injury Law Firm in New York That Has Your Back Our firm represents injured clients throughout White Plains, Westchester County, Rockland County, the Bronx, and all of New York City. We fight to hold negligent individuals, businesses, property owners, and corporations accountable.
At Billy Cooper Law, we focus on helping victims of catastrophic injuries, with a dedicated emphasis on traumatic brain injury cases. Whether you or your loved one has suffered a TBI from a car accident, fall, or other traumatic event, our team is ready to provide the legal support and resources.
Billy Cooper Law has represented auto accident victims across Westchester County for over 60 years, securing an $850,000 settlement for RSD injuries from a Bronx County collision. Led by trial attorney William H. Cooper, the firm fights for maximum compensation on a contingency basis.
Billy Cooper Law represents victims of medical malpractice throughout Westchester County and New York. We help clients pursue compensation for injuries caused by surgical errors, delayed diagnoses, birth injuries, and other forms of medical negligence.
Billy Cooper Law represents injury victims throughout Westchester County and New York. Our firm handles car accidents, construction accidents, slip and falls, wrongful death claims, and other serious injury cases with a focus on securing maximum compensation for our clients.
Practice Areas
4
Practice Areas
Personal Injury
40%
64 years
Brain Injury
20%
64 years
Car Accident
20%
64 years
Medical Malpractice
20%
64 years
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
Awards
Licenses
Licensed in New York for 35 years
State: New York
Acquired: 1991
No misconduct found
Location
Billy Cooper Law
(914) 357-7982
Mobile
(914) 428-4126
Fax
245 Main Street, Suite 510, White Plains, NY, 10601
billycooperlaw.com/Gallery
Online Presence
Other places you can find William online.
William H. Cooper's Reviews
Avvo Review Score
5 Client Reviews
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Practice Areas
Showing 1 - 5 of 5 reviews
Posted by Emma | June 27, 2018 | Hired Attorney
Thankful to our personal injury lawyer
My father decided to file a personal injury lawsuit on his own. He soon realized that his case was going nowhere. He then turned to the Marvin A. Cooper, P.C. law firm. From the first consultation, our family was confident that we were in good hands. Our personal injury lawyer gathered all the facts ...
Posted by Robert Smith | May 22, 2017 | Hired Attorney
An Excellent Construction Accident Attorney
My construction accident attorney was excellent from the beginning to the end of my case. He answered all my questions to my satisfaction. He provided great client service and always returned my calls promptly. Thank you for everything.
Posted by Liam wilsom | May 11, 2017 | Hired Attorney
Thanks to my personal injury lawyer
I got my compensation fair and square! all thanks to my personal injury lawyer in Westchester County
Posted by anonymous | February 14, 2017 | Hired Attorney
Best Law firm
While I was crossing the road, I met with an accident in White plains, NY, by a car driven by someone who just ignored my rights to be on the road. I was injured badly. I knew that I needed help to hold the driver accountable so I called Marvin A Cooper P.C. I spoke to William H. Cooper, he was re...
Posted by anonymous | August 01, 2016
Excellent Attorney
Marvin is an excellent and experienced attorney. You can trust and count on with any legal need you. He was helpful, easy to talk to and explained everything during the process.
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Experience
Honors
2026
Distinguished, Martindale-Hubbell
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
Work Experience
1991 - Present
Attorney, Marvin A. Cooper, P.C.
Associations
1991 - Present
Marvin A. Cooper, P.C.Owner
Sample of Legal Cases
Infant who was caused to undergo multiple surgical procedures
$1.45 M
Pedestrian Accident
$400K
Wrongful Death
$420K
Nursing Home Neglect
$500K
Drunk Driving Accident
$525K
Pedestrian Accident
$700K
Tractor-Trailer Accident
$800K
Automobile collision
$850K
Wrongful death of a 57 year old woman
$937 K
Wrongfully shot by police
$6,000,000
A woman who sustained perforated bowel during Cesarean section
$1.5M
Pedestrian who was struck by a vehicle that jumped a curb
$1.6 M
Wrongful death of a 13 year old boy
$1.75 M
Injured on a construction site
$2M
Infant was burned while in the care of the hospital
$2.4 M
Wrongful Death of a Bus Driver
$2.4 M
Pedestrian being struck by a car
$700,000
Man severely injured while inside of a tank that exploded
$9,000,000
Education
1990
George Washington University National Law Center
JD - Juris Doctor
1987
Union College (Schenectady, NY)
BA - Bachelor of Arts
Speaking Engagements
2025
CLE webinar for Strafford
Rideshare Arbitration Clauses: Navigating Passenger Rights and Compensation in Personal Injury Cases
Publications
2025
Insurance.com
Professional Liability Insurance: Does my service business need an E&O policy?
2025
Insurance.com
Rideshare insurance: What is it and what does it cover?
Languages
English
Spanish
Activity
Legal Guides