John P. Cotter's Profile Image

John P. Cotter

Phone: (916) 565-6222
Fax: (916) 565-6220

John Cotter, the current owner of the firm, founded Diepenbrock & Cotter with Anthony Diepenbrock in 1999. John has tried cases to verdict throughout the State of California and is a member of the American Board of Trial Advocates (ABOTA).

John believes in preparing every matter as if it were going to trial, thoroughly examining every aspect of each case. His civil litigation practice emphasizes defense of personal injury actions — including those involving heavy equipment, truck, bus, ambulance and para-transit vehicles, public entity defense, forester and logger defense, premises liability claims, products liability claims, insurance coverage disputes, insurance bad faith litigation, construction defect litigation, railroad defense (FELA and crossing accidents), insurance agent malpractice and admiralty defense.

Areas of Practice

  • General Civil Litigation
  • Transportation Defense
  • Construction Defect
  • Insurance Defense
  • Product Liability
  • Public Entity Defense
  • Premises Liability
  • Bad Faith Defense
  • Insurance Agent Malpractice


  • American Board of Trial Advocates (ABOTA)
  • AV Preeminent peer review rating, Martindale-Hubbell

Community Involvement

  • Order of Malta

Bar Admissions

  • California, 1992
  • U.S. District Court, Central District of California, 1996
  • U.S. District Court, Eastern District of California, 1996
  • U.S. District Court, Northern District of California, 1996
  • U.S. District Court, Southern District of California


  • University of the Pacific, McGeorge School of Law, Sacramento, California, J.D., 1991
  • Pepperdine University, Malibu, B.S., Business Administration and Finance, 1985

Professional Associations

  • American Board of Trial Advocates (ABOTA)
  • Association of Defense Counsel of Northern California and Nevada
    Board Member and Past President
  • Trucking Industry Defense Association (TIDA)
  • National Association of Railroad Trial Counsel (NARTC)
  • Claims and Litigation Management Alliance (CLM)
  • California Trucking Association
  • Defense Research Institute (DRI)