MC
Mark J. Cannan
Mark J. Cannan is a lawyer in San Antonio, TX who works for Cavaretta, Katona & Leighner. Practice areas include Appellate: Civil, Litigation: Commercial, Other. Court admissions include Fifth Circuit Court of Appeals, Texas Northern District Court. Licensed in Texas since 1975. Graduated from University of Texas in 1975.
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MC
Mark J. Cannan
Cavaretta, Katona & LeighnerSan Antonio, TX·50 years licensed
Claim profileContact attorney
Mark J. Cannan is a lawyer in San Antonio, TX who works for Cavaretta, Katona & Leighner. Practice areas include Appellate: Civil, Litigation: Commercial, Other. Court admissions include Fifth Circuit Court of Appeals, Texas Northern District Court. Licensed in Texas since 1975. Graduated from University of Texas in 1975.
Law school
University of Texas
Class of 1975
Bar admission
1975
State Bar of TX · No. 3743800
Office
700 N Saint Marys St Ste 1500
San Antonio, TX 78205
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice & jurisdiction
Practice areas
- Appellate: Civil
- Litigation: Commercial
- Other
Courts admitted
- Fifth Circuit Court of Appeals
- Texas Northern District Court
- Texas Southern District/Bankruptcy Court
- Texas Western District Court
- US Supreme Court
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Last refreshed Jun 2026