John Campion

John Campion is a criminal defense lawyer, founder and primary attorney at The Law Office of John P. Campion, who represents clients in felony and misdemeanor cases throughout California state courts. He handles state and federal matters involving violent crimes, sex offenses, domestic violence, DUI, white collar allegations, theft, drug offenses, Fish and Game violations, juvenile cases, expungements, DMV licensing issues, and traffic matters. He has practiced independently since 2003, focusing on defending people facing criminal investigations and serious criminal charges statewide.

John earned his J.D. from the University of San Francisco School of Law. During his final year, he worked as a certified law student in the USF Law Clinic, defending indigent clients in San Francisco Superior Court. He also studied abroad at Charles University in Prague, focusing on the International Criminal Court and subjects. He earned his B.A. in English Literature from California University at Hayward, cum laude.

John has represented clients in cases carrying life exposure, three-strikes consequences, DUI vehicular manslaughter allegations, white collar embezzlement claims, grand theft charges, and drug offenses involving possession for sale. His practice also includes matters involving sex offenses, domestic violence, juvenile proceedings, expungements, DMV issues, and traffic cases. He emphasizes detailed case review, clear client communication, and developing defense strategies aimed at achieving favorable outcomes for clients facing serious criminal allegations.

John Campion is admitted to the California State Bar and the US District Court for the Northern District of California. He is also affiliated with the California Public Defenders Association, California Attorneys for Criminal Justice, Bar Association of San Francisco, and St. Thomas More Society. His background combines criminal defense experience with earlier work in business and other fields, supporting a practical approach to representing clients in demanding criminal matters.

Law Office Affiliations

• Founder & Primary Attorney, Law Office of John P. Campion
• Member, State Bar of California
• Member, California Public Defenders Association
• Member, California Attorneys for Criminal Justice
• Member, Bar Association of San Francisco

Licensed State

• California

Education

• University of San Francisco School of Law
  Juris Doctor (JD)
• California University at Hayward
  BA in English Literature

Awards & Badges