Atty. David Earl Massengill

Atty. David Earl Massengill

David Earl Massengill is a lawyer practicing securities & investment fraud, shareholder litigation, pro bono and 4 other areas of law. David received a B.S. degree from Tulane University, and has been licensed for 47 years.

New York New York 47 yrs experience 47 year
Call (347) 899-9438 Book Appointment

Profile Summary

About David Earl Massengill at a glance

David Earl Massengill is a Retired Partner based in New York, New York, practicing at Simpson Thacher & Bartlett LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on ip, securities, litigation, and consumer. Admitted to practice in New York U.S. District Court, Eastern District of New York U.S. District Court, Southern District of (1979). Educated at Harvard Law School (J.D., 1978) and Tulane University B.S. summa cum laude Tulane University B.S. Phi Beta Kappa (—). Recognitions include AV Preeminent. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Earl Massengill is a lawyer practicing securities & investment fraud, shareholder litigation, pro bono and 4 other areas of law
  • David received a B.S. degree from Tulane University, and has been licensed for 47 years
  • David practices at Simpson Thacher & Bartlett LLP in New York, NY

Practice Areas Explained

David Earl Massengill's Areas of Practice

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

Intellectual Property

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

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

Securities Law

David Earl Massengill is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Civil Litigation

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

David Earl Massengill is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

David Earl Massengill is one of 50,607 consumer attorneys indexed nationally. Browse consumer 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 Earl Massengill

Where is David Earl Massengill's law office located?
David Earl Massengill's law practice is located in New York, New York. The firm is Simpson Thacher & Bartlett LLP. You can contact the office directly through this profile page.
What practice areas does David Earl Massengill handle?
David Earl Massengill focuses on ip, securities, litigation, consumer. Each practice area listed reflects experience handling cases of that type in New York.
How long has David Earl Massengill practiced law?
David Earl Massengill has 47+ years of legal experience and has been licensed since 1979.
Where did David Earl Massengill go to law school?
David Earl Massengill earned their education at (J.D., 1978); (—).
How can I contact David Earl Massengill for a consultation?
You can contact David Earl Massengill 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 Earl Massengill received?
David Earl Massengill's notable recognition includes: AV Preeminent.

Education

J.D.
Harvard Law School
- 1978
Tulane University B.S. summa cum laude Tulane University B.S. Phi Beta Kappa
- In Progress

Awards

AV Preeminent

Bar Admissions

New York U.S. District Court, Eastern District of New York U.S. District Court, Southern District of
Admitted: 1979

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