MW
Maria Cowan Walsh
Maria Cowan Walsh is a lawyer in Houston, TX who works for Phillips 66 Company. Practice areas include Business, Intellectual Property, Technology. Court admissions include Arizona District Court, New York Eastern District Court. Licensed in Texas since 2003. Graduated from Arizona State University in 1994.
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Law school
Bar admission
Office
Disciplinary
MW
Maria Cowan Walsh
Phillips 66 CompanyHouston, TX·22 years licensed
Claim profileContact attorney
Maria Cowan Walsh is a lawyer in Houston, TX who works for Phillips 66 Company. Practice areas include Business, Intellectual Property, Technology. Court admissions include Arizona District Court, New York Eastern District Court. Licensed in Texas since 2003. Graduated from Arizona State University in 1994.
Law school
Arizona State University
Class of 1994
Bar admission
2003
State Bar of TX · #24040355
Office
2331 Citywest Blvd Ste 244, Hq-N1338
Houston, TX 77042
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice, courts & credentials
Practice areas3 listed
BusinessIntellectual PropertyTechnology
Courts admitted4 total
Arizona District Court
New York Eastern District Court
New York Southern District Court
US Patent and Trademark Office
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Last refreshed Aug 2026