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Atty. John Gavin Cossa

Atty. John Gavin Cossa

Mr. John Gavin Cossa is a lawyer practicing environmental / natural resources, land use / zoning, energy / utilities.

Washington Washington 16 yrs experience 16 year
Call (443) 909-4915

Profile Summary

About John Gavin Cossa at a glance

John Gavin Cossa is an attorney based in Washington, District of Columbia. They haand 16+ years of legal experience, licensed to practice since 2010. Admitted to practice in New York (2010) and District of Columbia (2014). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mr. John Gavin Cossa is a lawyer practicing environmental / natural resources, land use / zoning, energy / utilities
  • John has been licensed for 16 years
  • John practices in Washington, DC

Jurisdictional Context

Why local counsel matters in District of Columbia

Practforg 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 substantiand 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 substantiand 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 Gavin Cossa

Where is John Gavin Cossa's law office located?
John Gavin Cossa's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
How long has John Gavin Cossa practiced law?
John Gavin Cossa has 16+ years of legal experience and has been licensed since 2010.
How can I contact John Gavin Cossa for a consultation?
You can contact John Gavin Cossa 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.

Bar Admissions

New York
Admitted: 2010
District of Columbia
Admitted: 2014

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