Atty. John Mangan Lattimer

Atty. John Mangan Lattimer

John Mangan Lattimer is a lawyer. John received a M.S. degree from Florida State University in 1969, and has been licensed for 49 years.

Washington Washington 49 yrs experience 49 year
Call (443) 909-4915 Book Appointment

Profile Summary

About John Mangan Lattimer at a glance

John Mangan Lattimer is an attorney based in Washington, District of Columbia. They have 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Colorado (1977). Educated at University of Denver (J.D., 1976) and Florida State University (M.S., 1969). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mangan Lattimer is a lawyer
  • John received a M.S. degree from Florida State University in 1969, and has been licensed for 49 years
  • John practices in Washington, DC

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 John Mangan Lattimer

Where is John Mangan Lattimer's law office located?
John Mangan Lattimer's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
How long has John Mangan Lattimer practiced law?
John Mangan Lattimer has 49+ years of legal experience and has been licensed since 1977.
Where did John Mangan Lattimer go to law school?
John Mangan Lattimer earned their education at (J.D., 1976); (M.S., 1969).
How can I contact John Mangan Lattimer for a consultation?
You can contact John Mangan Lattimer 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 Denver
- 1976
M.S.
Florida State University
- 1969

Bar Admissions

Colorado
Admitted: 1977

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