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Dedicated, Experience, Commitment.

“Quality Representation, Personal Attention”

Since 1988, John S. Cossum has provided exceptional legal service to clients in a variety of legal areas, with a concentration in criminal defense, family law and complex commercial litigation. Mr. Cossum provides each client who hires him quality representation and personal attention. As a client, you will take comfort in the knowledge that Mr. Cossum, an AV Preeminent rated attorney for almost 30 years, will personally handle every phase of your case, and that you will never be handed off to a less experienced attorney at any phase of the proceeding.

Areas of Practice

  • Criminal Law
  • Federal Criminal Law
  • Drug Crimes
  • White Collar Crime
  • Internet Crimes
  • Fraud
  • Criminal Conspiracy
  • Money Laundering
  • Sex Crimes
  • Domestic Violence
  • Juvenile Law
  • International Child Abduction
  • International Criminal Law
  • International Extradition
  • Felonies
  • Misdemeanors
  • Expungements
  • Forfeiture
Admission Details
  • State Bar of Texas
  • State Bar of Arizona
  • U.S. District Court for the Southern and Eastern Districts of Texas
  • U.S. District Court for the District of Arizona
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • University of Texas at Austin, Class of 1981, J.D.
  • Vanderbilt University, Class of 1978, B.A. History, Cum Laude Graduate
Associations & Memberships
  • State Bar of Texas
  • State Bar of ArizonaNational Association of Criminal Defense Attorneys
  • American Bar Association
  • Texas Bar Foundation