Atty. Mark Townsend Valentine

Atty. Mark Townsend Valentine

Mark Townsend Valentine is a lawyer practicing environmental and natural resources. Mark received a B.A. degree from Cornell University in 1987, and has been licensed for 29 years.

Denver Denver 29 yrs experience 29 year
Call (303) 531-8927 Book Appointment

Profile Summary

About Mark Townsend Valentine at a glance

Mark Townsend Valentine is an Associate based in Denver, Colorado, practicing at Dufford & Brown, P.C.. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on environmental. Admitted to practice in New York (1997) and Colorado (1998). Educated at Albany Law School (J.D., 1996) and Cornell University (B.A. Government, 1987). Active member of Denver Bar Association. Serands clients in Denver, CO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Townsend Valentine is a lawyer practicing environmental and natural resources
  • Mark received a B.A. degree from Cornell University in 1987, and has been licensed for 29 years
  • Mark practices at Dufford & Brown, P.C. in Denver, CO

Practice Areas Explained

Mark Townsend Valentine's Areas of Practice

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

Environmental Law

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

Mark Townsend Valentine is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Colorado →

Jurisdictional Context

Why local counsel matters in Colorado

Practicing law in Colorado. Legal matters in Colorado are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Denver are typically filed in the local municipal court or the appropriate Colorado state district court, depending on subject matter and amount in controversy. An attorney licensed in Colorado 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 Colorado courts without local counsel or pro hac vice admission.

Looking for additional Colorado attorneys? Browse all attorneys in Denver or all attorneys in Colorado.

Frequently Asked

Common questions about Mark Townsend Valentine

Where is Mark Townsend Valentine's law office located?
Mark Townsend Valentine's law practice is located in Denver, Colorado. The firm is Dufford & Brown, P.C.. You can contact the office directly through this profile page.
What practice areas does Mark Townsend Valentine handle?
Mark Townsend Valentine focuses on environmental. Each practice area listed reflects experience handling cases of that type in Colorado.
How long has Mark Townsend Valentine practiced law?
Mark Townsend Valentine has 29+ years of legal experience and has been licensed since 1997.
Where did Mark Townsend Valentine go to law school?
Mark Townsend Valentine earned their education at (J.D., 1996); (B.A. Government, 1987).
How can I contact Mark Townsend Valentine for a consultation?
You can contact Mark Townsend Valentine 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.
Albany Law School
- 1996
B.A. Government
Cornell University
- 1987

Bar Admissions

New York
Admitted: 1997
Colorado
Admitted: 1998

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