AttorneyMary Anne Guinan
MG

Mary Anne Guinan

Guinan Law Firm

Harris County · 27 years licensed

Cases
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Licensed
27 yrs

Mary Anne Guinan has been licensed in Texas since Nov 1999, 27 years. Practice areas on file include Oil, Gas and Energy Resources. No board certifications, no disciplinary history.

Case dataCounty court records

No filings in the last 10 years.

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Last refreshed Nov 2026