Atty. W. Mark Cotham

Atty. W. Mark Cotham

Mr. W.

Houston Houston 44 yrs experience 44 year
Call (346) 771-2736 Book Appointment

Profile Summary

About W. Mark Cotham at a glance

W. Mark Cotham is a Partner based in Houston, Texas, practicing at Cotham, Harwell & O'Conor. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on business, litigation, environmental, adr, and appellate. Admitted to practice in Texas (1982), U.S. District Court, Southern District of Texas (1983), and U.S. Court of Appeals, Fifth Circuit (1984). Educated at University of Texas (J.D., 1982) and Northwestern University (B.S. Northwestern, 1979). Recognitions include AV Preeminent. Active member of Houston and American Bar Associations State Bar of Texas Texas Bar Foundation. Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. W. Mark Cotham is a lawyer practicing alternative dispute resolution, appellate: civil, litigation: commercial and 2 other areas of law
  • W. received a B.S. degree from Northwestern University in 1979, and has been licensed for 44 years
  • W. practices at Cotham, Harwell & O'Conor in Houston, TX

Practice Areas Explained

W. Mark Cotham's Areas of Practice

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

Business & Corporate Law

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

W. Mark Cotham is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

W. Mark Cotham is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Texas →

Environmental Law

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

W. Mark Cotham is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Texas →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

W. Mark Cotham is one of 73,906 adr attorneys indexed nationally. Browse adr attorneys in Texas →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

W. Mark Cotham is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.

Frequently Asked

Common questions about W. Mark Cotham

Where is W. Mark Cotham's law office located?
W. Mark Cotham's law practice is located in Houston, Texas. The firm is Cotham, Harwell & O'Conor. You can contact the office directly through this profile page.
What practice areas does W. Mark Cotham handle?
W. Mark Cotham focuses on business, litigation, environmental, adr, appellate. Each practice area listed reflects experience handling cases of that type in Texas.
How long has W. Mark Cotham practiced law?
W. Mark Cotham has 44+ years of legal experience and has been licensed since 1982.
Where did W. Mark Cotham go to law school?
W. Mark Cotham earned their education at (J.D., 1982); (B.S. Northwestern, 1979).
How can I contact W. Mark Cotham for a consultation?
You can contact W. Mark Cotham 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 W. Mark Cotham received?
W. Mark Cotham's notable recognition includes: AV Preeminent.

Education

J.D.
University of Texas
- 1982
B.S. Northwestern
Northwestern University
- 1979

Awards

AV Preeminent

Bar Admissions

Texas
Admitted: 1982
U.S. District Court, Southern District of Texas
Admitted: 1983
U.S. Court of Appeals, Fifth Circuit
Admitted: 1984

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