JM
John Daniel Mullen
John Daniel Mullen is a lawyer in Austin, TX who works for Mullen Law. Practice areas include Aviation, Business, Oil, Gas and Energy Resources. Licensed in Texas since 1977. Graduated from University of Oklahoma in 1976.
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Law school
Bar admission
Office
Disciplinary
JM
John Daniel Mullen
Mullen LawAustin, TX·49 years licensed
Claim profileContact attorney
John Daniel Mullen is a lawyer in Austin, TX who works for Mullen Law. Practice areas include Aviation, Business, Oil, Gas and Energy Resources. Licensed in Texas since 1977. Graduated from University of Oklahoma in 1976.
Law school
University of Oklahoma
Class of 1976
Bar admission
1977
State Bar of TX · No. 14641500
Office
700 Castle Ridge Road, Unit A
Austin, TX 78746
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.
- Mullen LawAS OF MAY 2023In-House/Corporate Counsel · Houston, TX
- Mullen LawAS OF APR 2026In-House/Corporate Counsel · Austin, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Aviation
- Business
- Oil, Gas and Energy Resources
- Real Estate
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Last refreshed Apr 2026