Joseph J. Cox

Location: Livermore, California
Phone: 925-449-0666
Fax: 925-449-3257
Email: Email Me

Joseph J. Cox grew up in Oakdale, California, and later attended Lynn University in Boca Raton, Florida, on a baseball and academic scholarship. While there, he was both a university honors student as well as a Sunshine State Conference scholar. He graduated with a Bachelor of Sciences Degree (B.S.) in Business Administration with a concentration in Business Management.

After graduating from college, Mr. Cox attended Western Michigan University, Cooley Law School in Lansing, Michigan, where he served as an Associate Editor for the Journal of Practical and Clinical Law. He was awarded the Outstanding Associate Editor Award for his work on the law journal, and earned his Juris Doctorate (J.D.) Degree, graduating with honors (Cum Laude) in January 2011.

Upon his graduation from law school, Mr. Cox returned to California and obtained employment with the Law Offices of Timothy B. Rien, where he worked under the guidance of Mr. Rien and Ms. Adams. He spends countless hours in the courtroom advocating for clients accused of every type of crime, whether it’s negotiating with prosecutors or conducting jury trials. Mr. Cox is committed to providing zealous representation to each client and understands that every case is the most important case to each client.

Areas of Practice

  • 100% Criminal Defense

Litigation Percentage

  • 100% of Practice Devoted to Litigation

Bar Admissions

  • California, 2011
  • U.S. District Court Eastern District of California, 2016


  • Western Michigan University, Cooley Law School, Lansing, Michigan
    • J.D. – 2011
  • Lynn University, Boca Raton
    • B.S. – 2007
    • Major: Business Administration

Professional Associations and Memberships

  • American Bar Association, Criminal Law Section
  • California State Bar Association, Criminal Law Section
  • California Attorneys for Criminal Justice (CACJ)
  • The California Public Defender’s Association (CPDA)
  • National Association of Criminal Defense Attorneys
  • San Francisco Criminal Defense Lawyers Association
  • Criminal Trial Lawyers Association
  • Eastern Alameda County Bar Association

Past Employment Positions

  • Law Offices of Timothy B. Rien, Associate Attorney, 2011 – 2016