JG
John Gregory Grinnan
John Gregory Grinnan is a lawyer in Houston, TX who works for Arnold & Itkin LLP. Practice areas include Litigation: Personal Injury, Other. Licensed in Texas since 2013. Graduated from South Texas College of Law in 2013.
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Law school
Bar admission
Office
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JG
John Gregory Grinnan
Arnold & Itkin LLPHouston, TX·12 years licensed
Claim profileContact attorney
John Gregory Grinnan is a lawyer in Houston, TX who works for Arnold & Itkin LLP. Practice areas include Litigation: Personal Injury, Other. Licensed in Texas since 2013. Graduated from South Texas College of Law in 2013.
Law school
South Texas College of Law
Class of 2013
Bar admission
2013
State Bar of TX · #24087633
Office
6009 Memorial Dr
Houston, TX 77007
Disciplinary
None on record
Clean since admission
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Practice, Courts & Credentials
Practice areas2 listed
Litigation: Personal InjuryOther
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Last refreshed Sep 2026