Atty. John Patrick Campion
John Patrick Campion is a lawyer practicing criminal defense, dui & dwi, violent crime and 6 other areas of law. John has been licensed for 24 years.
Criminal Defense & More Attorney · Serving San Francisco, CA · 24+ Years Experience
Profile Summary
About John Patrick Campion at a Glance
John Patrick Campion is a Member based in San Francisco, California, practicing at John P. Campion. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on dui/dwi, criminal defense, federal crimes, white collar, and juvenile. Admitted to practice in California (2002). Educated at University of San Francisco, School of Law J.D. (—). Serves clients in San Francisco, CA and the surrounding metropolitan area.
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About John Patrick Campion
- John Patrick Campion is a lawyer practicing criminal defense, dui & dwi, violent crime and 6 other areas of law
- John has been licensed for 24 years
- John practices at John P. Campion in San Francisco, CA
Practice Areas Explained
John Patrick Campion's Areas of Legal Practice
Each practice area below reflects the types of cases John Patrick Campion handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Francisco.
DUI / DWI Defense in San Francisco
Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.
John Patrick Campion is one of 29,739 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in California →
Criminal Defense in San Francisco
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John Patrick Campion is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →
Federal Crimes in San Francisco
John Patrick Campion is one of 6,716 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in California →
White Collar Crimes in San Francisco
John Patrick Campion is one of 19,824 white collar attorneys indexed nationally. Browse white collar attorneys in California →
Juvenile Law in San Francisco
John Patrick Campion is one of 30,433 juvenile attorneys indexed nationally. Browse juvenile attorneys in California →
Jurisdictional Context
Why Local Counsel Matters in San Francisco
Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.
San Francisco Courts and Legal Process
Choosing a San Francisco-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.
Frequently Asked
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Professional Profile
Why Clients in San Francisco Choose John Patrick Campion
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Patrick Campion's practice in the field of dui/dwi, criminal defense, federal crimes, white collar, and juvenile.
Decade-Tested Legal Experience
John Patrick Campion brings 24+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering dui/dwi, criminal defense, and federal crimes, John Patrick Campion can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in San Francisco
A San Francisco-based practice means John Patrick Campion attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Search Reference
How People Find John Patrick Campion Online
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John Patrick Campion's Practice Areas & Specializations
Education & Law School Background
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