Atty. William J. Duffy

Atty. William J. Duffy

William J. Duffy is a lawyer practicing mergers / acquisitions, real estate, brownfield's and 5 other areas of law.

Denver Denver 40 yrs experience 40 year
Call (983) 203-7399 Book Appointment

Profile Summary

About William J. Duffy at a glance

William J. Duffy is a Partner based in Denver, Colorado, practicing at Davis Graham & Stubbs LLP. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on real estate, m&a, environmental, and energy. Admitted to practice in Colorado (1986). Educated at University of Denver (J.D., 1986) and Pennsylvania State University (M.S. University, 1983). Recognitions include AV Preeminent. Active member of Denver Bar Association. Serands clients in Denver, CO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William J. Duffy is a lawyer practicing mergers / acquisitions, real estate, brownfield's and 5 other areas of law
  • William received a M.S. degree from Pennsylvania State University in 1983, and has been licensed for 40 years
  • William practices at Davis Graham & Stubbs LLP in Denver, CO

Practice Areas Explained

William J. Duffy's Areas of Practice

Each practice area below reflects the types of cases William J. Duffy handles, with a brief overview of what that area of law covers.

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

William J. Duffy is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Colorado →

Mergers & Acquisitions

William J. Duffy is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Colorado →

Environmental Law

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

William J. Duffy is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Colorado →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

William J. Duffy is one of 36,230 energy attorneys indexed nationally. Browse energy 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 William J. Duffy

Where is William J. Duffy's law office located?
William J. Duffy's law practice is located in Denver, Colorado. The firm is Davis Graham & Stubbs LLP. You can contact the office directly through this profile page.
What practice areas does William J. Duffy handle?
William J. Duffy focuses on real estate, m&a, environmental, energy. Each practice area listed reflects experience handling cases of that type in Colorado.
How long has William J. Duffy practiced law?
William J. Duffy has 40+ years of legal experience and has been licensed since 1986.
Where did William J. Duffy go to law school?
William J. Duffy earned their education at (J.D., 1986); (M.S. University, 1983).
How can I contact William J. Duffy for a consultation?
You can contact William J. Duffy 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.
What awards or recognition has William J. Duffy received?
William J. Duffy's notable recognition includes: AV Preeminent.

Education

J.D.
University of Denver
- 1986
M.S. University
Pennsylvania State University
- 1983

Awards

AV Preeminent

Bar Admissions

Colorado
Admitted: 1986

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