JH
John Clare Heymann
John Clare Heymann is a lawyer in Corpus Christi, TX who works for Upton, Mickits & Heymann, LLP.. Practice areas include Oil, Gas and Energy Resources. Board certifications include Oil, Gas and Mineral Law. Licensed in Texas since 1989. Graduated from University of Texas in 1988.
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Law school
Bar admission
Office
Disciplinary
JH
John Clare Heymann
Upton, Mickits & Heymann, LLP.Corpus Christi, TX·37 years licensed
Claim profileContact attorney
John Clare Heymann is a lawyer in Corpus Christi, TX who works for Upton, Mickits & Heymann, LLP.. Practice areas include Oil, Gas and Energy Resources. Board certifications include Oil, Gas and Mineral Law. Licensed in Texas since 1989. Graduated from University of Texas in 1988.
Law school
University of Texas
Class of 1988
Bar admission
1989
State Bar of TX · No. 9565300
Office
802 N Carancahua St Ste 450
Corpus Christi, TX 78401
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Upton, Mickits & Heymann, LLP.AS OF MAY 2023Private Law Practice · Corp Christi, TX
- Upton, Mickits & Heymann, LLP.APR 2026 — PRESENTPrivate Law Practice · Corpus Christi, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Oil, Gas and Energy Resources
Credentials
Board certification
Oil, Gas and Mineral Law
TBLS · Certified 1995
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Last refreshed Jun 2026