Atty. Thomas Jeffrey Lyden

Atty. Thomas Jeffrey Lyden

Thomas Jeffrey Lyden is a lawyer practicing tax, hedge funds and venture funds, investment management, hedge funds and alternative investments. Thomas Jeffrey received a B.A. degree from University of Minnesota in 1975, and has been licensed for 47 years.

Washington Washington 47 yrs experience 47 year
Call (202) 984-3174 Book Appointment

Profile Summary

About Thomas Jeffrey Lyden at a glance

Thomas Jeffrey Lyden is an Of Counsel based in Washington, District of Columbia, practicing at K&L Gates LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on tax. Admitted to practice in Minnesota (1979) and District of Columbia (2001). Educated at William Mitchell College of Law (J.D., 1979) and University of Minnesota (B.A., 1975). Active member of The District of Columbia Bar. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas Jeffrey Lyden is a lawyer practicing tax, hedge funds and venture funds, investment management, hedge funds and alternative investments
  • Thomas Jeffrey received a B.A. degree from University of Minnesota in 1975, and has been licensed for 47 years
  • Thomas Jeffrey practices at K&L Gates LLP in Washington, DC

Practice Areas Explained

Thomas Jeffrey Lyden's Areas of Practice

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

Tax Law

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

Thomas Jeffrey Lyden is one of 85,302 tax attorneys indexed nationally. Browse tax 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 Thomas Jeffrey Lyden

Where is Thomas Jeffrey Lyden's law office located?
Thomas Jeffrey Lyden's law practice is located in Washington, District of Columbia. The firm is K&L Gates LLP. You can contact the office directly through this profile page.
What practice areas does Thomas Jeffrey Lyden handle?
Thomas Jeffrey Lyden focuses on tax. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Thomas Jeffrey Lyden practiced law?
Thomas Jeffrey Lyden has 47+ years of legal experience and has been licensed since 1979.
Where did Thomas Jeffrey Lyden go to law school?
Thomas Jeffrey Lyden earned their education at (J.D., 1979); (B.A., 1975).
How can I contact Thomas Jeffrey Lyden for a consultation?
You can contact Thomas Jeffrey Lyden 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.
William Mitchell College of Law
- 1979
B.A.
University of Minnesota
- 1975

Bar Admissions

Minnesota
Admitted: 1979
District of Columbia
Admitted: 2001

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