Atty. John William Barker

Atty. John William Barker

John William Barker is a lawyer practicing trial litigation, medical malpractice. John received a B.A. degree from State University of New York at Binghamton in 1988, and has been licensed for 34 years.

Valhalla Valhalla 34 J. Erfahrung 34 year
Call (914) 829-3584 Book Appointment

Profile Summary

About John William Barker at a glance

John William Barker is a Partner based in Valhalla, New York, practicing at Vigorito, Barker, Patterson, Nichols & Porter, LLP. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on medical malpractice and litigation. Admitted to practice in New York (1992), U.S. District Court, Southern District of New York (1996), and U.S. District Court, Eastern District of New York (1996). Educated at St. John's University School of Law (J.D., 1991) and State University of New York at Binghamton (B.A., 1988). Serands clients in Valhalla, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John William Barker is a lawyer practicing trial litigation, medical malpractice
  • John received a B.A. degree from State University of New York at Binghamton in 1988, and has been licensed for 34 years
  • John practices at Vigorito, Barker, Patterson, Nichols & Porter, LLP in Valhalla, NY and 2 others locations

Practice Areas Explained

John William Barker's Areas of Practice

Each practice area below reflects the types of cases John William Barker handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

John William Barker is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New York →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John William Barker is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Valhalla 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 Valhalla or all attorneys in New York.

Frequently Asked

Common questions about John William Barker

Where is John William Barker's law office located?
John William Barker's law practice is located in Valhalla, New York. The firm is Vigorito, Barker, Patterson, Nichols & Porter, LLP. You can contact the office directly through this profile page.
What practice areas does John William Barker handle?
John William Barker focuses on medical malpractice, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has John William Barker practiced law?
John William Barker has 34+ years of legal experience and has been licensed since 1992.
Where did John William Barker go to law school?
John William Barker earned their education at (J.D., 1991); (B.A., 1988).
How can I contact John William Barker for a consultation?
You can contact John William Barker 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.
St. John's University School of Law
- 1991
B.A.
State University of New York at Binghamton
- 1988

Bar Admissions

New York
Admitted: 1992
U.S. District Court, Southern District of New York
Admitted: 1996
U.S. District Court, Eastern District of New York
Admitted: 1996

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