Atty. Mark J. Cannan

Atty. Mark J. Cannan

Mr. Mark J.

San Antonio San Antonio 51 yrs experience 51 year
Call (726) 240-6246 Book Appointment

Profile Summary

About Mark J. Cannan at a glance

Mark J. Cannan is a Member based in San Antonio, Texas, practicing at Clemens & Spencer A Professional Corporation. They have 51+ years of legal experience, licensed to practice since 1975. Their practice focuses on business, litigation, and appellate. Admitted to practice in Texas Texas Northern District Court Texas Southern District/Bankruptcy Court (1975) and U.S. District Court, Western and Southern Districts of Texas, U.S. Court of Appeals, Fifth Circuit a (1975). Educated at University of Texas (J.D., 1975) and King's College (B.A., 1967). Recognitions include AV Preeminent. Serands clients in San Antonio, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mark J. Cannan is a lawyer practicing litigation, commercial, other and 2 other areas of law
  • Mark received a B.A. degree from King's College in 1967, and has been licensed for 51 years
  • Mark practices at Clemens & Spencer A Professional Corporation in San Antonio, TX

Practice Areas Explained

Mark J. Cannan's Areas of Practice

Each practice area below reflects the types of cases Mark J. Cannan 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.

Mark J. Cannan 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.

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

Appellate Practice

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

Mark J. Cannan 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 San Antonio 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 San Antonio or all attorneys in Texas.

Frequently Asked

Common questions about Mark J. Cannan

Where is Mark J. Cannan's law office located?
Mark J. Cannan's law practice is located in San Antonio, Texas. The firm is Clemens & Spencer A Professional Corporation. You can contact the office directly through this profile page.
What practice areas does Mark J. Cannan handle?
Mark J. Cannan focuses on business, litigation, appellate. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark J. Cannan practiced law?
Mark J. Cannan has 51+ years of legal experience and has been licensed since 1975.
Where did Mark J. Cannan go to law school?
Mark J. Cannan earned their education at (J.D., 1975); (B.A., 1967).
How can I contact Mark J. Cannan for a consultation?
You can contact Mark J. Cannan 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 Mark J. Cannan received?
Mark J. Cannan's notable recognition includes: AV Preeminent.

Education

J.D.
University of Texas
- 1975
B.A.
King's College
- 1967

Awards

AV Preeminent

Bar Admissions

Texas Texas Northern District Court Texas Southern District/Bankruptcy Court
Admitted: 1975
U.S. District Court, Western and Southern Districts of Texas, U.S. Court of Appeals, Fifth Circuit a
Admitted: 1975

Reviews

5.0
12 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.