Atty. Robert Diazdeleon

Atty. Robert Diazdeleon

Robert Diazdeleon is a lawyer practicing worker's compensation. Robert received a degree from Univ of LaVerne, and has been licensed for 24 years.

Ontario Ontario 24 yrs experience 24 year
Call (279) 221-5067 Book Appointment

Worker's Compensation Attorney · Serving Ontario, CA · 24+ Years Experience

Profile Summary

About Robert Diazdeleon at a Glance

Robert Diazdeleon is an Associate based in Ontario, California, practicing at Dietz, Gilmor & Chazen. They have 24+ years of legal experience, licensed to practice since 2002. Admitted to practice in California (2002). Educated at Univ of LaVerne LaVerne CA Claremont McKenna Coll Claremont CA (—). Serves clients in Ontario, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Robert Diazdeleon

  • Robert Diazdeleon is a lawyer practicing worker's compensation
  • Robert received a degree from Univ of LaVerne, and has been licensed for 24 years
  • Robert practices at Dietz, Gilmor & Chazen in Ontario, CA

Jurisdictional Context

Why Local Counsel Matters in Ontario

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 Ontario 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.

Ontario Courts and Legal Process

Choosing a Ontario-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 Ontario or all attorneys in California.

Frequently Asked

Common Questions About Robert Diazdeleon

Where is Robert Diazdeleon's law office located?
Robert Diazdeleon's law practice is located in Ontario, California. The firm is Dietz, Gilmor & Chazen. You can contact the office directly through this profile page.
How long has Robert Diazdeleon practiced law?
Robert Diazdeleon has 24+ years of legal experience and has been licensed since 2002.
Where did Robert Diazdeleon go to law school?
Robert Diazdeleon earned their education at (—).
How can I contact Robert Diazdeleon for a consultation?
You can contact Robert Diazdeleon 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.

Professional Profile

Why Clients in Ontario Choose Robert Diazdeleon

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 Robert Diazdeleon's practice.

Decade-Tested Legal Experience

Robert Diazdeleon 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.

Local Presence in Ontario

A Ontario-based practice means Robert Diazdeleon 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 Robert Diazdeleon Online

Prospective clients searching for legal help in Ontario commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Robert Diazdeleon.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Robert Diazdeleon directly.

Robert Diazdeleon's Practice Areas & Specializations

Education & Law School Background

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Univ of LaVerne LaVerne CA Claremont McKenna Coll Claremont CA
- In Progress

Bar Admissions & Licensed Jurisdictions

California
Admitted: 2002

Client Reviews & Ratings — Robert Diazdeleon

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