Atty. Robert David Tronnes

Atty. Robert David Tronnes

Mr. Robert David Tronnes is a lawyer practicing class actions, mass torts and aggregated litigation, litigation and 1 other area of law.

San Mateo San Mateo 26 yrs experience 26 year
Call (424) 280-1323 Book Appointment

Class Actions & More Attorney · Serving San Mateo, CA · 26+ Years Experience

Profile Summary

About Robert David Tronnes at a Glance

Robert David Tronnes is a class action, product liability, litigation, and internet attorney based in San Mateo, California. They have 26+ years of legal experience, licensed to practice since 2000. Admitted to practice in California (2000), District of Columbia (2002), and Texas (2012). Educated at George Washington University National Law Center (Doctor, 2000) and University of California Davis, Davis CA George Washington University Law School Washington DC (—). Serves clients in San Mateo, CA and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About Robert David Tronnes

  • Mr. Robert David Tronnes is a lawyer practicing class actions, mass torts and aggregated litigation, litigation and 1 other area of law
  • Robert received a degree from University of California Davis, Davis CA, and has been licensed for 26 years
  • Robert practices in San Mateo, CA

Practice Areas Explained

Robert David Tronnes's Areas of Legal Practice

Each practice area below reflects the types of cases Robert David Tronnes handles, with a practical overview of what that area of law involves and how it may apply to your situation in San Mateo.

Class Action in San Mateo

Robert David Tronnes is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in California →

Product Liability in San Mateo

Robert David Tronnes is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in California →

Civil Litigation in San Mateo

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Robert David Tronnes is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Internet & Cyber Law in San Mateo

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Robert David Tronnes is one of 17,826 internet attorneys indexed nationally. Browse internet attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in San Mateo

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 Mateo 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 Mateo Courts and Legal Process

Choosing a San Mateo-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 Mateo or all attorneys in California.

Frequently Asked

Common Questions About Robert David Tronnes

Where is Robert David Tronnes's law office located?
Robert David Tronnes's law practice is located in San Mateo, California. You can contact the office directly through this profile page.
What practice areas does Robert David Tronnes handle?
Robert David Tronnes focuses on class action, product liability, litigation, internet. Each practice area listed reflects experience handling cases of that type in California.
How long has Robert David Tronnes practiced law?
Robert David Tronnes has 26+ years of legal experience and has been licensed since 2000.
Where did Robert David Tronnes go to law school?
Robert David Tronnes earned their education at (Doctor, 2000); (—).
How can I contact Robert David Tronnes for a consultation?
You can contact Robert David Tronnes 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 San Mateo Choose Robert David Tronnes

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 David Tronnes's practice in the field of class action, product liability, litigation, and internet.

Decade-Tested Legal Experience

Robert David Tronnes brings 26+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in California, District of Columbia, and Texas, Robert David Tronnes can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering class action, product liability, and litigation, Robert David Tronnes can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in San Mateo

A San Mateo-based practice means Robert David Tronnes 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 David Tronnes Online

Prospective clients searching for legal help in San Mateo 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 David Tronnes.

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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 David Tronnes directly.

Robert David Tronnes's Practice Areas & Specializations

Education & Law School Background

Doctor
George Washington University National Law Center
- 2000
—
University of California Davis, Davis CA George Washington University Law School Washington DC
- In Progress

Bar Admissions & Licensed Jurisdictions

California
Admitted: 2000
District of Columbia
Admitted: 2002
Texas
Admitted: 2012

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