Atty. Doreen Ann Sullivan

Atty. Doreen Ann Sullivan

Doreen Ann Sullivan is a lawyer practicing corporate law, securities. Doreen received a A.B. degree from Lafayette College in 1985, and has been licensed for 38 years.

Yorktown Heights Yorktown Heights 38 yrs experience 38 year
Call (329) 208-3664 Book Appointment

Profile Summary

About Doreen Ann Sullivan at a glance

Doreen Ann Sullivan is a Member based in Yorktown Heights, New York, practicing at John C. Sullivan P.C.. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business and securities. Admitted to practice in New Jersey (1988) and New York (1989). Educated at New York Law School (J.D., 1988) and Lafayette College (A.B., 1985). Serands clients in Yorktown Heights, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Doreen Ann Sullivan is a lawyer practicing corporate law, securities
  • Doreen received a A.B. degree from Lafayette College in 1985, and has been licensed for 38 years
  • Doreen practices at John C. Sullivan P.C. in Yorktown Heights, NY

Practice Areas Explained

Doreen Ann Sullivan's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Doreen Ann Sullivan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Securities Law

Doreen Ann Sullivan is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Yorktown Heights 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 Yorktown Heights or all attorneys in New York.

Frequently Asked

Common questions about Doreen Ann Sullivan

Where is Doreen Ann Sullivan's law office located?
Doreen Ann Sullivan's law practice is located in Yorktown Heights, New York. The firm is John C. Sullivan P.C.. You can contact the office directly through this profile page.
What practice areas does Doreen Ann Sullivan handle?
Doreen Ann Sullivan focuses on business, securities. Each practice area listed reflects experience handling cases of that type in New York.
How long has Doreen Ann Sullivan practiced law?
Doreen Ann Sullivan has 38+ years of legal experience and has been licensed since 1988.
Where did Doreen Ann Sullivan go to law school?
Doreen Ann Sullivan earned their education at (J.D., 1988); (A.B., 1985).
How can I contact Doreen Ann Sullivan for a consultation?
You can contact Doreen Ann 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.

Practice Areas

Education

J.D.
New York Law School
- 1988
A.B.
Lafayette College
- 1985

Bar Admissions

New Jersey
Admitted: 1988
New York
Admitted: 1989

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