AttorneyJohn Brian Diefenbach● 55 total views
JD

John Brian Diefenbach

Diefenbach Group, PLLC·Dallas, TX·6 years licensed

John Brian Diefenbach is a lawyer in Dallas, TX who works for Diefenbach Group, PLLC. Practice areas include Business, Construction, Entertainment. Court admissions include Texas Northern District Court. Licensed in Texas since 2019. Graduated from Gonzaga University in 2004.

Claim profileContact attorney
Law school
Class of 2004
Bar admission
2019
State Bar of TX · No. 24117185
Office
539 W. Commerce St., Suite 205
Dallas, TX 75208
Disciplinary
None on record
Clean since admission
JD

John Brian Diefenbach

Diefenbach Group, PLLC
Dallas, TX·6 years licensed
Claim profileContact attorney

John Brian Diefenbach is a lawyer in Dallas, TX who works for Diefenbach Group, PLLC. Practice areas include Business, Construction, Entertainment. Court admissions include Texas Northern District Court. Licensed in Texas since 2019. Graduated from Gonzaga University in 2004.

Law school
Gonzaga University
Class of 2004
Bar admission
2019
State Bar of TX · No. 24117185
Office
539 W. Commerce St., Suite 205
Dallas, TX 75208
Disciplinary
None on record
Clean since admission
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Business
  • Construction
  • Entertainment
  • Litigation: Commercial
  • Military
Courts admitted
  • Texas Northern District Court
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Last refreshed Jun 2026