MD
Matthew Thomas Deffebach
Matthew Thomas Deffebach is a lawyer in Houston, TX who works for Haynes and Boone, LLP. Practice areas include Labor-Employment. Board certifications include Labor and Employment Law. Licensed in Texas since 1999. Graduated from University of Houston in 1999.
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Law school
Bar admission
Office
Disciplinary
MD
Matthew Thomas Deffebach
Haynes and Boone, LLPHouston, TX·26 years licensed
Claim profileContact attorney
Matthew Thomas Deffebach is a lawyer in Houston, TX who works for Haynes and Boone, LLP. Practice areas include Labor-Employment. Board certifications include Labor and Employment Law. Licensed in Texas since 1999. Graduated from University of Houston in 1999.
Law school
University of Houston
Class of 1999
Bar admission
1999
State Bar of TX · #24012516
Office
1221 McKinney St Ste 4000
Houston, TX 77010
Disciplinary
None on record
Clean since admission
Case data
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Practice, courts & credentials
Practice areas1 listed
Labor-Employment
Courts admitted1 total
Texas Southern District/Bankruptcy Court
Credentials1 certified
Labor and Employment Law
Board certified 2006
No public disciplinary history
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Last refreshed Aug 2026