Atty. Diane E Cooley

Atty. Diane E Cooley

Ms. Diane E Cooley is a lawyer practicing civil litigation.

Washington Washington 35 Years Experience 35 year
Call (202) 988-4621

Profile Summary

About Diane E Cooley at a glance

Diane E Cooley is a litigation attorney based in Washington, District of Columbia. They have 35+ years of legal experience, licensed to practice since 1991. Admitted to practice in Massachusetts (1991), Connecticut (1991), District of Columbia U.S. Supreme Court (1992), and U.S. District Court, District of Massachusetts and U.S. District Court for the District of Columbia (1992). Educated at Georgetown University (J.D., 1990) and Boston University (B.A., 1987). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ms. Diane E Cooley is a lawyer practicing civil litigation
  • Diane received a B.A. degree from Boston University in 1987, and has been licensed for 35 years
  • Diane practices in Washington, DC

Practice Areas Explained

Diane E Cooley's Areas of Practice

Each practice area below reflects the types of cases Diane E Cooley handles, with a brief overview of what that area of law covers.

Civil Litigation

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

Diane E Cooley is one of 409,070 litigation attorneys indexed nationally. Browse litigation 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 Diane E Cooley

Where is Diane E Cooley's law office located?
Diane E Cooley's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Diane E Cooley handle?
Diane E Cooley focuses on litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Diane E Cooley practiced law?
Diane E Cooley has 35+ years of legal experience and has been licensed since 1991.
Where did Diane E Cooley go to law school?
Diane E Cooley earned their education at (J.D., 1990); (B.A., 1987).
How can I contact Diane E Cooley for a consultation?
You can contact Diane E Cooley 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.
Georgetown University
- 1990
B.A.
Boston University
- 1987

Bar Admissions

Massachusetts
Admitted: 1991
Connecticut
Admitted: 1991
District of Columbia U.S. Supreme Court
Admitted: 1992
U.S. District Court, District of Massachusetts and U.S. District Court for the District of Columbia
Admitted: 1992

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