Atty. James Mark O'Keefe

Atty. James Mark O'Keefe

James M. O’Keefe is from Liverpool, New York.

Williamsville Williamsville 18 yrs experience 18 year
Call (716) 486-1417 Book Appointment

Profile Summary

About James Mark O'Keefe at a glance

James Mark O'Keefe is a Car Accident Attorney based in Williamsville, New York, practicing at William Mattar Accident Lawyers. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on car accidents, truck accidents, employment, bankruptcy, and chapter 11. Admitted to practice in U.S. Bankruptcy Court, Western District of New York (2008), New York (2008), and U.S. District Court, Western District of New York (2008). Educated at State University of New York at Buffalo Law School (J.D. Order, 2007) and Niagara University (B.A., 2000). Active member of Erie County and New York State Bar Associations. Serands clients in Williamsville, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • James M. O’Keefe is from Liverpool, New York
  • In 2000, he earned a Bachelor of Arts in English from Niagara University in Lewiston, New York
  • James went on to earn his Juris Doctor in 2007 from SUNY Buffalo Law School, where he was named to the Order of Barristers
  • He remains a member of the Board of Directors for the Graduates of the Last Decade (GOLD) group and is a lifetime member of the SUNY Law School Alumni Association
  • In 2008, James was admitted to practice law in New York State, the U.S
  • District Court for the Western District of New York, and the U.S
  • Bankruptcy Court for the Western District of New York
  • Before joining William Mattar in 2011, James practiced in the insurance defense field
  • He now dedicates his time as a personal injury attorney to helping plaintiffs in motor vehicle accident cases
  • When he’s not at the office, James likes spending time with his son and cheering for the Buffalo Bills
  • Community Involvement - Southtowns Family YMCA, Volunteer Boxing Instructor Awards and Recognition - Super Lawyers Upstate New York Rising Star 2013 – 2017 Professional Associations & Memberships - New York State Bar Association - Bar Association of Erie County - SUNY Buffalo Law School Alumni Association - SUNY Buffalo Law School Graduates of the Last Decade (GOLD) Group, Board of Directors and Former President - SUNY Buffalo Law School Education Committee, Co-Chair

Practice Areas Explained

James Mark O'Keefe's Areas of Practice

Each practice area below reflects the types of cases James Mark O'Keefe handles, with a brief overview of what that area of law covers.

Car Accidents

Hurt in a car crash? Car accident lawyers fight insurance companies for fair compensation — free consult, no fee unless you win.

James Mark O'Keefe is one of 36,807 car accidents attorneys indexed nationally. Browse car accidents attorneys in New York →

Truck Accidents

James Mark O'Keefe is one of 4,975 truck accidents attorneys indexed nationally. Browse truck accidents attorneys in New York →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

James Mark O'Keefe is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in New York →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

James Mark O'Keefe is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in New York →

Chapter 11 Bankruptcy

James Mark O'Keefe is one of 5,840 chapter 11 attorneys indexed nationally. Browse chapter 11 attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Williamsville are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in Williamsville or all attorneys in New York.

Frequently Asked

Common questions about James Mark O'Keefe

Where is James Mark O'Keefe's law office located?
James Mark O'Keefe's law practice is located in Williamsville, New York. The firm is William Mattar Accident Lawyers. You can contact the office directly through this profile page.
What practice areas does James Mark O'Keefe handle?
James Mark O'Keefe focuses on car accidents, truck accidents, employment, bankruptcy, chapter 11. Each practice area listed reflects experience handling cases of that type in New York.
How long has James Mark O'Keefe practiced law?
James Mark O'Keefe has 18+ years of legal experience and has been licensed since 2008.
Where did James Mark O'Keefe go to law school?
James Mark O'Keefe earned their education at (J.D. Order, 2007); (B.A., 2000).
How can I contact James Mark O'Keefe for a consultation?
You can contact James Mark O'Keefe directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D. Order
State University of New York at Buffalo Law School
- 2007
B.A.
Niagara University
- 2000

Bar Admissions

U.S. Bankruptcy Court, Western District of New York
Admitted: 2008
New York
Admitted: 2008
U.S. District Court, Western District of New York
Admitted: 2008

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