AttorneyMaria Cowan Walsh● 82 total views
MW

Maria Cowan Walsh

Phillips 66 Company·Houston, TX·22 years licensed

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.

Claim profileContact attorney
Law school
Class of 1994
Bar admission
2003
State Bar of TX · No. 24040355
Office
2331 Citywest Blvd Ste 244, Hq-N1338
Houston, TX 77042
Disciplinary
None on record
Clean since admission
MW

Maria Cowan Walsh

Phillips 66 Company
Houston, 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
Bar admission
2003
State Bar of TX · No. 24040355
Office
2331 Citywest Blvd Ste 244, Hq-N1338
Houston, TX 77042
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.

  1. Exxon Mobil Corp.AS OF MAY 2023
    In-House/Corporate Counsel · Spring, TX
  2. Phillips 66 CompanyAPR 2026 — PRESENT
    In-House/Corporate Counsel · Houston, TX
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Business
  • Intellectual Property
  • Technology
Courts admitted
  • Arizona District Court
  • New York Eastern District Court
  • New York Southern District Court
  • US Patent and Trademark Office
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Last refreshed Jun 2026