LT
Lianne Therese Thiebeau
Lianne Therese Thiebeau is a lawyer in Cypress, TX who works for Callegari Law Firm, P.C.. Practice areas include Family, Juvenile. Licensed in Texas since 1994. Graduated from South Texas College of Law in 1993.
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Law school
Bar admission
Office
Disciplinary
LT
Lianne Therese Thiebeau
Callegari Law Firm, P.C.Cypress, TX·32 years licensed
Claim profileContact attorney
Lianne Therese Thiebeau is a lawyer in Cypress, TX who works for Callegari Law Firm, P.C.. Practice areas include Family, Juvenile. Licensed in Texas since 1994. Graduated from South Texas College of Law in 1993.
Law school
South Texas College of Law
Class of 1993
Bar admission
1994
State Bar of TX · #789676
Office
15040 Fairfield Village Square Dr Ste 200
Cypress, TX 77433
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.
- Law Offices OfAS OF MAY 2023Private Law Practice · Katy, TX
- Callegari Law Firm, P.C.APR 2026 — PRESENTPrivate Law Practice · Cypress, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Family
- Juvenile
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Last refreshed Jun 2026