Atty. Stephen K. Sullivan

Atty. Stephen K. Sullivan

Stephen K. Sullivan is a lawyer practicing patent application, life sciences & biotechnology, litigation and 4 other areas of law.

New York New York 23 yrs experience 23 year
Call (929) 605-1835 Book Appointment

Profile Summary

About Stephen K. Sullivan at a glance

Stephen K. Sullivan is a Partner based in New York, New York, practicing at Fitzpatrick, Cella, Harper & Scinto. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on patent, ip, m&a, and litigation. Educated at Fordham University School of Law (J.D., 1999) and Columbia University Postdoctoral Fellowship Columbia University Molecular Biology and Electrophysiology Columbia University 1987-1990 Drury College (B.A. Biology, 1983). Active member of New York Intellectual Property Law Association American Intellectual Property Law Association Federal Circuit Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen K. Sullivan is a lawyer practicing patent application, life sciences & biotechnology, litigation and 4 other areas of law
  • Stephen received a degree from Columbia University, and has been licensed for 23 years
  • Stephen practices at Fitzpatrick, Cella, Harper & Scinto in New York, NY

Practice Areas Explained

Stephen K. Sullivan's Areas of Practice

Each practice area below reflects the types of cases Stephen K. Sullivan handles, with a brief overview of what that area of law covers.

Patent Law

Stephen K. Sullivan is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Stephen K. Sullivan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Mergers & Acquisitions

Stephen K. Sullivan is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in New York →

Civil Litigation

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

Stephen K. Sullivan 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 New York 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 New York or all attorneys in New York.

Frequently Asked

Common questions about Stephen K. Sullivan

Where is Stephen K. Sullivan's law office located?
Stephen K. Sullivan's law practice is located in New York, New York. The firm is Fitzpatrick, Cella, Harper & Scinto. You can contact the office directly through this profile page.
What practice areas does Stephen K. Sullivan handle?
Stephen K. Sullivan focuses on patent, ip, m&a, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has Stephen K. Sullivan practiced law?
Stephen K. Sullivan has 23+ years of legal experience and has been licensed since 2003.
Where did Stephen K. Sullivan go to law school?
Stephen K. Sullivan earned their education at (J.D., 1999); (B.A. Biology, 1983).
How can I contact Stephen K. Sullivan for a consultation?
You can contact Stephen K. Sullivan 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.
Fordham University School of Law
- 1999
B.A. Biology
Columbia University Postdoctoral Fellowship Columbia University Molecular Biology and Electrophysiology Columbia University 1987-1990 Drury College
- 1983

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