Atty. Ann Claassen

Atty. Ann Claassen

Ann Claassen is a lawyer practicing life sciences / biotechnology, communications / media, air quality regulation and 5 other areas of law. Ann received a B.A. degree from Colorado College in 1975, and has been licensed for 35 years.

Washington Washington 35 yrs experience 35 year
Call (732) 360-6947 Book Appointment

Profile Summary

About Ann Claassen at a glance

Ann Claassen is a Counsel based in Washington, District of Columbia, practicing at Latham & Watkins LLP. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on class action, product liability, litigation, environmental, and entertainment. Admitted to practice in District of Columbia (1991). Educated at University of New Mexico School of Law (J.D., 1989) and Colorado College (B.A., 1975). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ann Claassen is a lawyer practicing life sciences / biotechnology, communications / media, air quality regulation and 5 other areas of law
  • Ann received a B.A. degree from Colorado College in 1975, and has been licensed for 35 years
  • Ann practices at Latham & Watkins LLP in Washington, DC

Practice Areas Explained

Ann Claassen's Areas of Practice

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

Class Action

Ann Claassen is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in District of Columbia →

Product Liability

Ann Claassen is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in District of Columbia →

Civil Litigation

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

Ann Claassen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Ann Claassen is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Ann Claassen is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment 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 Ann Claassen

Where is Ann Claassen's law office located?
Ann Claassen's law practice is located in Washington, District of Columbia. The firm is Latham & Watkins LLP. You can contact the office directly through this profile page.
What practice areas does Ann Claassen handle?
Ann Claassen focuses on class action, product liability, litigation, environmental, entertainment. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Ann Claassen practiced law?
Ann Claassen has 35+ years of legal experience and has been licensed since 1991.
Where did Ann Claassen go to law school?
Ann Claassen earned their education at (J.D., 1989); (B.A., 1975).
How can I contact Ann Claassen for a consultation?
You can contact Ann Claassen 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.

Education

J.D.
University of New Mexico School of Law
- 1989
B.A.
Colorado College
- 1975

Bar Admissions

District of Columbia
Admitted: 1991

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