Atty. Geronimo Gutierrez IV

Atty. Geronimo Gutierrez IV

Geronimo Gutierrez IV is an accomplished criminal defense attorney serving Orange County and Los Angeles County, with comprehensive experience in both State and Federal courts. He has successfully defended clients against a wide range of serious felony and misdemeanor charges, including DUI, drug offenses, robbery, assault, and RICO cases.

Fullerton Fullerton 5 yrs experience 5 year
Call (213) 419-5463 Book Appointment

Profile Summary

About Geronimo Gutierrez IV at a glance

Geronimo Gutierrez IV is a Founder, Chief Counsel based in Fullerton, California, practicing at Poseidon Defense A.P.C.. They have 5+ years of legal experience, licensed to practice since 2021. Their practice focuses on dui/dwi, drug crimes, criminal defense, federal crimes, and dv defense. Admitted to practice in California (2021). Educated at Thomas Jefferson School of Law (J.D., 2020) and California State University, Fullerton B.A. Political Science (—). Serands clients in Fullerton, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Geronimo Gutierrez IV is an accomplished criminal defense attorney serving Orange County and Los Angeles County, with comprehensive experience in both State and Federal courts
  • He has successfully defended clients against a wide range of serious felony and misdemeanor charges, including DUI, drug offenses, robbery, assault, and RICO cases
  • Mr. Gutierrez’s practice is strengthened by deep knowledge of the legal system, strategic access to critical resources, and a results-driven approach to defense
  • He has held key roles as Deputy Public Defender for Los Angeles County and as an associate attorney at The Matian Firm, APC, handling complex criminal matters across various federal districts in California
  • Geronimo also brings valuable insight from his time as a legal intern and senior legal intern at both the Huston | McCaffrey, LLP and the San Diego Public Defender’s Office
  • In addition to numerous professional accomplishments, he has been recognized with the Jefferson Medal from Thomas Jefferson School of Law and multiple academic honors from Fullerton College
  • Mr. Gutierrez is dedicated to protecting the rights and interests of his clients with professionalism and unwavering commitment

Practice Areas Explained

Geronimo Gutierrez IV's Areas of Practice

Each practice area below reflects the types of cases Geronimo Gutierrez IV handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Geronimo Gutierrez IV is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in California →

Drug Crimes

Geronimo Gutierrez IV is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in California →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Geronimo Gutierrez IV is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Federal Crimes

Geronimo Gutierrez IV is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in California →

Domestic Violence Defense

Geronimo Gutierrez IV is one of 12,315 dv defense attorneys indexed nationally. Browse dv defense attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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 Fullerton 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 andnue, 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.

Looking for additional California attorneys? Browse all attorneys in Fullerton or all attorneys in California.

Frequently Asked

Common questions about Geronimo Gutierrez IV

Where is Geronimo Gutierrez IV's law office located?
Geronimo Gutierrez IV's law practice is located in Fullerton, California. The firm is Poseidon Defense A.P.C.. You can contact the office directly through this profile page.
What practice areas does Geronimo Gutierrez IV handle?
Geronimo Gutierrez IV focuses on dui/dwi, drug crimes, criminal defense, federal crimes, dv defense. Each practice area listed reflects experience handling cases of that type in California.
How long has Geronimo Gutierrez IV practiced law?
Geronimo Gutierrez IV has 5+ years of legal experience and has been licensed since 2021.
Where did Geronimo Gutierrez IV go to law school?
Geronimo Gutierrez IV earned their education at (J.D., 2020); (—).
How can I contact Geronimo Gutierrez IV for a consultation?
You can contact Geronimo Gutierrez IV directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Thomas Jefferson School of Law
- 2020
California State University, Fullerton B.A. Political Science
- In Progress

Bar Admissions

California
Admitted: 2021

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