Atty. David William Haller

Atty. David William Haller

David William Haller is a lawyer practicing class action, securities / investment fraud, litigation and 10 other areas of law. David received a B.A. degree from Northwestern University in 1984, and has been licensed for 38 years.

New York New York 38 yrs experience 38 year
Call (212) 257-3482 Book Appointment

Profile Summary

About David William Haller at a glance

David William Haller is a Partner based in New York, New York, practicing at Covington & Burling LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on patent, business, ip, class action, and securities. Admitted to practice in Illinois (1988) and New York (1989). Educated at Yale Law School (J.D. Yale, 1987) and Northwestern University (B.A., 1984). Recognitions include AV Preeminent. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David William Haller is a lawyer practicing class action, securities / investment fraud, litigation and 10 other areas of law
  • David received a B.A. degree from Northwestern University in 1984, and has been licensed for 38 years
  • David practices at Covington & Burling LLP in New York, NY

Practice Areas Explained

David William Haller's Areas of Practice

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

Patent Law

David William Haller is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in New York →

Business & Corporate Law

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

David William Haller is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Intellectual Property

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

David William Haller is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Class Action

David William Haller is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in New York →

Securities Law

David William Haller 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 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 David William Haller

Where is David William Haller's law office located?
David William Haller's law practice is located in New York, New York. The firm is Covington & Burling LLP. You can contact the office directly through this profile page.
What practice areas does David William Haller handle?
David William Haller focuses on patent, business, ip, class action, securities. Each practice area listed reflects experience handling cases of that type in New York.
How long has David William Haller practiced law?
David William Haller has 38+ years of legal experience and has been licensed since 1988.
Where did David William Haller go to law school?
David William Haller earned their education at (J.D. Yale, 1987); (B.A., 1984).
How can I contact David William Haller for a consultation?
You can contact David William Haller 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.
What awards or recognition has David William Haller received?
David William Haller's notable recognition includes: AV Preeminent.

Education

J.D. Yale
Yale Law School
- 1987
B.A.
Northwestern University
- 1984

Awards

AV Preeminent

Bar Admissions

Illinois
Admitted: 1988
New York
Admitted: 1989

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