Atty. John Markham Tanner

Atty. John Markham Tanner

John Markham Tanner is a lawyer practicing commercial, contracts & agreements, business and commercial litigation and 6 other areas of law. John received a B.A. degree from Rice University in 1983, and has been licensed for 40 years.

Denver Denver 40 yrs experience 40 year
Call (720) 983-1980 Book Appointment

Business And Commercial Litigation & More Attorney · Serving Denver, CO · 40+ Years Experience

Profile Summary

About John Markham Tanner at a Glance

John Markham Tanner is a Director based in Denver, Colorado, practicing at Fairfield and Woods, P.C.. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on contracts, business, real estate, ip, and construction. Admitted to practice in Colorado (1986) and U.S. Court of Appeals, Tenth Circuit U.S. Supreme Court (1997). Educated at Duke University (J.D., 1986) and Rice University (B.A. History, 1983). Recognitions include AV Preeminent. Active member of Denver Bar Association. Serves clients in Denver, CO and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About John Markham Tanner

  • John Markham Tanner is a lawyer practicing commercial, contracts & agreements, business and commercial litigation and 6 other areas of law
  • John received a B.A. degree from Rice University in 1983, and has been licensed for 40 years
  • John practices at Fairfield and Woods, P.C. in Denver, CO

Practice Areas Explained

John Markham Tanner's Areas of Legal Practice

Each practice area below reflects the types of cases John Markham Tanner handles, with a practical overview of what that area of law involves and how it may apply to your situation in Denver.

Contracts in Denver

John Markham Tanner is one of 76,101 contracts attorneys indexed nationally. Browse contracts attorneys in Colorado →

Business & Corporate Law in Denver

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Markham Tanner is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Colorado →

Real Estate Law in Denver

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

John Markham Tanner is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Colorado →

Intellectual Property in Denver

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Markham Tanner is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Colorado →

Construction Law in Denver

John Markham Tanner is one of 40,302 construction attorneys indexed nationally. Browse construction attorneys in Colorado →

Jurisdictional Context

Why Local Counsel Matters in Denver

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 venue, 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.

Denver Courts and Legal Process

Choosing a Denver-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About John Markham Tanner

Where is John Markham Tanner's law office located?
John Markham Tanner's law practice is located in Denver, Colorado. The firm is Fairfield and Woods, P.C.. You can contact the office directly through this profile page.
What practice areas does John Markham Tanner handle?
John Markham Tanner focuses on contracts, business, real estate, ip, construction. Each practice area listed reflects experience handling cases of that type in Colorado.
How long has John Markham Tanner practiced law?
John Markham Tanner has 40+ years of legal experience and has been licensed since 1986.
Where did John Markham Tanner go to law school?
John Markham Tanner earned their education at (J.D., 1986); (B.A. History, 1983).
How can I contact John Markham Tanner for a consultation?
You can contact John Markham Tanner 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 John Markham Tanner received?
John Markham Tanner's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Denver Choose John Markham Tanner

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Markham Tanner's practice in the field of contracts, business, real estate, ip, and construction.

Decade-Tested Legal Experience

John Markham Tanner brings 40+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Colorado and U.S. Court of Appeals, Tenth Circuit U.S. Supreme Court, John Markham Tanner can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering contracts, business, and real estate, John Markham Tanner can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Denver

A Denver-based practice means John Markham Tanner attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues John Markham Tanner Handles in Denver

Below is a representative sample of the types of matters John Markham Tanner has experience with under Colorado law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact John Markham Tanner directly to discuss the specifics of your situation.

Search Reference

How People Find John Markham Tanner Online

Prospective clients searching for legal help in Denver commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Markham Tanner.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John Markham Tanner directly.

Education & Law School Background

J.D.
Duke University
- 1986
B.A. History
Rice University
- 1983

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Colorado
Admitted: 1986
U.S. Court of Appeals, Tenth Circuit U.S. Supreme Court
Admitted: 1997

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