Overview

RMO LLP is a premier litigation boutique focused exclusively on private wealth disputes, representing beneficiaries, heirs, trustees, executors, trust protectors, fiduciaries, advisors, conservators, guardians, spouses, and creditors throughout California and Texas.

The firm handles complex trust and estate litigation, probate litigation, fiduciary disputes, trust and will contests, financial elder abuse claims, contested conservatorships, guardianships, and inheritance disputes. RMO's attorneys are known for their trial-ready approach, representing clients in matters involving breach of fiduciary duty, trustee and executor misconduct, undue influence, fraud, trust modification, and asset misappropriation.

With offices across California and Texas, RMO combines sophisticated litigation strategy, deep private wealth experience, and courtroom advocacy to protect clients, preserve legacies, and resolve high-stakes disputes. The firm's work has earned national and international recognition, including selection as a finalist for STEP's Private Client Awards Boutique Firm of the Year.

At RMO, we understand that trust and estate disputes are about more than assets. Our commitment to helping clients achieve results that protect their interests and restore their peace of mind is at the core of everything we do. That's RMO.

Founded:
2015
Size:
15
Magnifying glass with star icon
Practice Areas:
17
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Best Lawyers Recognized:
4

Rankings

National

Tier
2
National Ranking
Trusts and Estates

Regional

Los Angeles

Tier
1
Los Angeles
Trusts and Estates
Tier
2
Los Angeles
Litigation - Trusts and Estates

Firm Leadership

Rankings

National

Tier
2
National Ranking
Trusts and Estates

Regional

Los Angeles

Tier
1
Los Angeles
Trusts and Estates
Tier
2
Los Angeles
Litigation - Trusts and Estates

Practice Areas

RMO LLP has been ranked by Best Law Firms for excellence in 2 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
  • Breach of Fiduciary
  • Conservatorships
  • Consumer Law
  • Inheritance Disputes
  • Litigation - Trusts and Estates
  • Probate
  • Probate and Estate Administration
  • Probate Litigation
  • Trust Administration
  • Trust Administration and Fiduciary Duties
  • Trust And Estate Litigation
  • Trust Contests
  • Trust Litigation
  • Trusts & Estates
  • Trusts and Estates
  • Will Contest
  • Will Contests

Individuals Recognized in The Best Lawyers in America®

RMO LLP proudly has 4 lawyers recognized for their outstanding professional performance in the 2027 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
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Awards

RMO LLP is honored to be recognized for excellence by Best Law Firms and other leading legal industry organizations. Our rankings and awards reflect the dedication, skill, and results our attorneys deliver across a wide range of practice areas. In addition to our Best Law Firms awards, RMO LLP has earned accolades from respected national and regional publications for outstanding legal service and professional achievement. Explore our awards below to learn more about how RMO LLP continues to set the standard for quality legal representation.
Chambers & Partners, High Net Worth Guide, Private Wealth Disputes, California, 2025-2026

Offices & Contacts

Los Angeles, CA
Pasadena, CA
Walnut Creek, CA
2121 North California Boulevard
Suite 290
Walnut Creek, CA 94596
United States
Costa Mesa, CA
3200 Park Center Drive, Suite 250
Costa Mesa, CA 92626
United States
Fresno, CA
San Diego, CA
Dallas, TX
4131 North Central Expressway, Suite 900
Dallas, TX 75204
United States
Houston, TX
12 East Greenway Plaza, Suite 1111
Houston, TX 77046
United States
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