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Cornelius M. Hayes
Cornelius M. Hayes is a lawyer in Corpus Christi, TX who works for Porter Rogers Dahlman Et Al. Practice areas include Oil, Gas and Energy Resources. Board certifications include Oil, Gas and Mineral Law. Licensed in Texas since 1980. Graduated from Texas Tech University in 1979.
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Law school
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Cornelius M. Hayes
Porter Rogers Dahlman Et AlCorpus Christi, TX·46 years licensed
Claim profileContact attorney
Cornelius M. Hayes is a lawyer in Corpus Christi, TX who works for Porter Rogers Dahlman Et Al. Practice areas include Oil, Gas and Energy Resources. Board certifications include Oil, Gas and Mineral Law. Licensed in Texas since 1980. Graduated from Texas Tech University in 1979.
Law school
Texas Tech University
Class of 1979
Bar admission
1980
State Bar of TX · No. 9272500
Office
500 N Shoreline Blvd Ste 300
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.
- Porter Rogers Dahlman Et AlAS OF MAY 2023Private Law Practice · Corp Christi, TX
- Porter Rogers Dahlman Et AlAPR 2026 — PRESENTPrivate Law Practice · Corpus Christi, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Oil, Gas and Energy Resources
Courts admitted
- US Court of Federal Claims
Credentials
Board certification
Oil, Gas and Mineral Law
TBLS · Certified 1995
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Last refreshed Jun 2026