JJ
John V Jansonius
John V Jansonius is a lawyer in Dallas, TX who works for Jackson Walker LLP.. Practice areas include Labor-Employment. Board certifications include Labor and Employment Law. Licensed in Texas since 1980. Graduated from Southern Methodist University in 1989.
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Law school
Bar admission
Office
Disciplinary
JJ
John V Jansonius
Jackson Walker LLP.Dallas, TX·45 years licensed
Claim profileContact attorney
John V Jansonius is a lawyer in Dallas, TX who works for Jackson Walker LLP.. Practice areas include Labor-Employment. Board certifications include Labor and Employment Law. Licensed in Texas since 1980. Graduated from Southern Methodist University in 1989.
Law school
Southern Methodist University
Class of 1989
Bar admission
1980
State Bar of TX · No. 10571900
Office
2323 Ross Ave Ste 600
Dallas, TX 75201
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice & jurisdiction
Practice areas
- Labor-Employment
Courts admitted
- All State Courts
- Eighth Circuit Court of Appeals
- Fifth Circuit Court of Appeals
- Tenth Circuit Court of Appeals
- US Supreme Court
Credentials
Board certification
Labor and Employment Law
TBLS · Certified 1987
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Last refreshed Jun 2026