AttorneyJack George Breffney Ternan● 51 total views
JT

Jack George Breffney Ternan

Chamblee Ryan, P.C.·Dallas, TX·18 years licensed

Jack George Breffney Ternan is a lawyer in Dallas, TX who works for Chamblee Ryan, P.C.. Practice areas include Antitrust, Appellate: Civil, Business. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 2007. Graduated from University of Texas in 2007.

Claim profileContact attorney
Law school
Class of 2007
Bar admission
2007
State Bar of TX · No. 24060707
Office
2777 N Stemmons Fwy Ste 1157 Ste 1257
Dallas, TX 75207
Disciplinary
None on record
Clean since admission
JT

Jack George Breffney Ternan

Chamblee Ryan, P.C.
Dallas, TX·18 years licensed
Claim profileContact attorney

Jack George Breffney Ternan is a lawyer in Dallas, TX who works for Chamblee Ryan, P.C.. Practice areas include Antitrust, Appellate: Civil, Business. Court admissions include Fifth Circuit Court of Appeals, Texas Eastern District Court. Licensed in Texas since 2007. Graduated from University of Texas in 2007.

Law school
University of Texas
Class of 2007
Bar admission
2007
State Bar of TX · No. 24060707
Office
2777 N Stemmons Fwy Ste 1157 Ste 1257
Dallas, TX 75207
Disciplinary
None on record
Clean since admission
Career history

2 observed firms

Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.

  1. Ternan Law Firm, PLLCAS OF MAY 2023
    Private Law Practice · Plano, TX
  2. Chamblee Ryan, P.C.APR 2026 — PRESENT
    Private Law Practice · Dallas, TX
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Antitrust
  • Appellate: Civil
  • Business
  • Contracts
  • Litigation: Commercial
Courts admitted
  • Fifth Circuit Court of Appeals
  • Texas Eastern District Court
  • Texas Northern District Court
  • Texas Southern District Court
  • Texas Western District Court
  • US Supreme Court
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Last refreshed Jun 2026