JN
John W. Nassen
John W. Nassen is a lawyer in Dallas, TX who works for Nassen Mediations. Practice areas include Alternative Dispute Resolution, Construction. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 1976. Graduated from Valparaiso University in 1976.
Claim profileContact attorney
Law school
Bar admission
Office
Disciplinary
JN
John W. Nassen
Nassen MediationsDallas, TX·49 years licensed
Claim profileContact attorney
John W. Nassen is a lawyer in Dallas, TX who works for Nassen Mediations. Practice areas include Alternative Dispute Resolution, Construction. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 1976. Graduated from Valparaiso University in 1976.
Law school
Valparaiso University
Class of 1976
Bar admission
1976
State Bar of TX · No. 14814300
Office
PO Box 12593
Dallas, TX 75225
Disciplinary
None on record
Clean since admission
Case data
Case data
Click “Load case data” above to view charts.
Practice & jurisdiction
Practice areas
- Alternative Dispute Resolution
- Construction
Courts admitted
- Fifth Circuit Court of Appeals
- Texas Eastern District Court
- Texas Northern District Court
- Texas Southern District/Bankruptcy Court
- Texas Western District Court
Reviews
No reviews yet. Be the first →
Last refreshed Jun 2026