Atty. Mark David Lanpher

Atty. Mark David Lanpher

Mark David Lanpher is a lawyer practicing litigation, securities / investment fraud, fraud. Mark has been licensed for 22 years.

Washington Washington 22 yrs experience 22 year
Call (202) 367-9055 Book Appointment

Profile Summary

About Mark David Lanpher at a glance

Mark David Lanpher is an Attorney based in Washington, District of Columbia, practicing at Shearman Sterling Llp. They have 22+ years of legal experience, licensed to practice since 2004. Their practice focuses on securities, litigation, and consumer. Admitted to practice in New York (2004) and District of Columbia (2013). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark David Lanpher is a lawyer practicing litigation, securities / investment fraud, fraud
  • Mark has been licensed for 22 years
  • Mark practices at Shearman & Sterling LLP in Washington, DC

Practice Areas Explained

Mark David Lanpher's Areas of Practice

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

Securities Law

Mark David Lanpher is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in District of Columbia →

Civil Litigation

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

Mark David Lanpher is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Consumer Protection

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

Mark David Lanpher is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Mark David Lanpher

Where is Mark David Lanpher's law office located?
Mark David Lanpher's law practice is located in Washington, District of Columbia. The firm is Shearman Sterling Llp. You can contact the office directly through this profile page.
What practice areas does Mark David Lanpher handle?
Mark David Lanpher focuses on securities, litigation, consumer. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark David Lanpher practiced law?
Mark David Lanpher has 22+ years of legal experience and has been licensed since 2004.
How can I contact Mark David Lanpher for a consultation?
You can contact Mark David Lanpher 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.

Bar Admissions

New York
Admitted: 2004
District of Columbia
Admitted: 2013

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