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 · #10571900
Office
2323 Ross Ave Ste 600
Dallas, TX 75201
Disciplinary
None on record
Clean since admission
Case data
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Practice, courts & credentials
Practice areas1 listed
Labor-Employment
Courts admitted5 total
All State Courts
Eighth Circuit Court of Appeals
Fifth Circuit Court of Appeals
Tenth Circuit Court of Appeals
US Supreme Court
Credentials1 certified
Labor and Employment Law
Board certified 1987
No public disciplinary history
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Last refreshed Aug 2026