Atty. Ann Moniot Lilienthal

Atty. Ann Moniot Lilienthal

Ann Moniot Lilienthal is a lawyer practicing tax, commercial litigation. Ann received a B.A. degree from The American University of Paris in 2006, and has been licensed for 16 years.

Washington Washington 16 yrs experience 16 year
Call (771) 216-9251 Book Appointment

Profile Summary

About Ann Moniot Lilienthal at a glance

Ann Moniot Lilienthal is a business, tax, and litigation attorney based in Washington, District of Columbia. They have 16+ years of legal experience, licensed to practice since 2010. Admitted to practice in New York U.S. Tax Court U.S. Court of Federal Claims (2010), District of Columbia (2010), and Minnesota (2010). Educated at University of Pennsylvania Law School (J.D., 2009) and The American University of Paris (B.A., 2006). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ann Moniot Lilienthal is a lawyer practicing tax, commercial litigation
  • Ann received a B.A. degree from The American University of Paris in 2006, and has been licensed for 16 years
  • Ann practices in Washington, DC

Practice Areas Explained

Ann Moniot Lilienthal's Areas of Practice

Each practice area below reflects the types of cases Ann Moniot Lilienthal 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.

Ann Moniot Lilienthal is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Tax Law

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

Ann Moniot Lilienthal is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Civil Litigation

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

Ann Moniot Lilienthal is one of 454,532 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 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 Moniot Lilienthal

Where is Ann Moniot Lilienthal's law office located?
Ann Moniot Lilienthal's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Ann Moniot Lilienthal handle?
Ann Moniot Lilienthal focuses on business, tax, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Ann Moniot Lilienthal practiced law?
Ann Moniot Lilienthal has 16+ years of legal experience and has been licensed since 2010.
Where did Ann Moniot Lilienthal go to law school?
Ann Moniot Lilienthal earned their education at (J.D., 2009); (B.A., 2006).
How can I contact Ann Moniot Lilienthal for a consultation?
You can contact Ann Moniot Lilienthal 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.
University of Pennsylvania Law School
- 2009
B.A.
The American University of Paris
- 2006

Bar Admissions

New York U.S. Tax Court U.S. Court of Federal Claims
Admitted: 2010
District of Columbia
Admitted: 2010
Minnesota
Admitted: 2010

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