Atty. David Clark Haas

Atty. David Clark Haas

Mr. David Clark Haas is a lawyer practicing venture capital, debt collection, general corporate and 8 other areas of law.

Washington Washington 42 Years Experience 42 year

Profile Summary

About David Clark Haas at a glance

David Clark Haas is a business, ip, tax, m&a, and creditor rights attorney based in Washington, District of Columbia. They have 42+ years of legal experience, licensed to practice since 1984. Admitted to practice in District of Columbia (1984), Maryland (1985), and Virginia (1986). Educated at Delaware Law School of Widener University (J.D., 1984) and College of William & Mary (B.B.A. Georgetown, 1981). Recognitions include AV Preeminent. Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David Clark Haas is a lawyer practicing venture capital, debt collection, general corporate and 8 other areas of law
  • David received a B.B.A. degree from College of William & Mary in 1981, and has been licensed for 42 years
  • David practices in Washington, DC

Practice Areas Explained

David Clark Haas's Areas of Practice

Each practice area below reflects the types of cases David Clark Haas 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.

David Clark Haas is one of 452,854 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Intellectual Property

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

David Clark Haas is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

David Clark Haas is one of 77,130 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Mergers & Acquisitions

David Clark Haas is one of 45,724 m&a attorneys indexed nationally. Browse m&a attorneys in District of Columbia →

Creditor Rights & Collections

David Clark Haas is one of 39,028 creditor rights attorneys indexed nationally. Browse creditor rights 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 venue, 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 David Clark Haas

Where is David Clark Haas's law office located?
David Clark Haas's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does David Clark Haas handle?
David Clark Haas focuses on business, ip, tax, m&a, creditor rights. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has David Clark Haas practiced law?
David Clark Haas has 42+ years of legal experience and has been licensed since 1984.
Where did David Clark Haas go to law school?
David Clark Haas earned their education at (J.D., 1984); (B.B.A. Georgetown, 1981).
How can I contact David Clark Haas for a consultation?
You can contact David Clark Haas 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 Clark Haas received?
David Clark Haas's notable recognition includes: AV Preeminent.

Education

J.D.
Delaware Law School of Widener University
- 1984
B.B.A. Georgetown
College of William & Mary
- 1981

Awards

AV Preeminent

Bar Admissions

District of Columbia
Admitted: 1984
Maryland
Admitted: 1985
Virginia
Admitted: 1986

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