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Sean David Muntz

Sean David Muntz

Trust & Probate Litigator at RMO LLP
  • Estate Planning
  • California
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Biography

Sean D. Muntz serves as Managing Partner of RMO LLP. Sean is an experienced trial and appellate lawyer, with litigation experience spanning a broad range of subject matters, including banking, general commercial, employment, probate, real estate, securities, intellectual property, maritime and environmental disputes. Sean has litigated matters in state and federal courts throughout California, and in alternative dispute resolution forums, including AAA and JAMS, and before the NASD/FINRA and Pacific Stock Exchange.

Sean’s practice focuses on representing beneficiaries, professional and corporate fiduciaries (administrators, executors, trustees, conservators, and guardians) in contested trust, estate and probate litigation.

Sean previously was a partner at an international law firm in the firm’s commercial litigation group, where he represented international financial institutions in litigation matters.

Sean worked as in-house counsel for a Fortune 100 aerospace manufacturer. There, he represented the company in internal and external investigation and compliance matters. While there, Sean represented the company as a victim of espionage, in the criminal matter of U.S. v. Chung, in which the U.S. District Court handed down the first conviction under the Economic Espionage Act of 1996. For representing the company’s interests, Sean received a commendation from the Los Angeles Field Office of the FBI and the FBI Director.

Sean also has worked for a Fortune 100 financial institution as in-house counsel, where he managed and directed national litigation strategy, overseeing hundreds of cases.

Practice Area
Estate Planning
Guardianship & Conservatorship Estate Administration, Trusts, Wills
Additional Practice Areas
  • Trust Litigation
  • Probate Estate Litigation
  • Conservatorships
  • Financial Elder Abuse
Video Conferencing
  • Zoom
Fees
  • Free Consultation
Jurisdictions Admitted to Practice
California
State Bar of California
ID Number: 223549
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9th Circuit
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United States District Courts for the Central, Eastern, Northern and Southern Districts of California
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Languages
  • English: Spoken, Written
Professional Experience
Managing Partner
RMO LLP
- Current
Associate
Bryan Cave LLP
-
Associate
Keesal, Young & Logan
-
Education
University of Southern California Gould School of Law
J.D. (2002)
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University of Hawaii - Manoa
B.A. (1998) | Journalism and Political Science
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Awards
Super Lawyers, Southern California
Super Lawyers
Named to the 2018-2024 Southern California Super Lawyers list, an honor reserved for those lawyers who exhibit excellence in practice. Only 5% of attorneys in Southern California receive this distinction.
Best Lawyers in America - Trusts and Estates
Best Lawyers
Leaders of Influence: Litigators and Trial Lawyers
Los Angeles Business Journal
Legal Visionaries
Business of Law Magazine, Los Angeles Times
Professional Associations
California State Bar  # 223549
Member
- Current
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Websites & Blogs
Website
RMO LLP Website
Blog
RMO Lawyers, LLP
Contact & Map
RMO LLP
3200 Park Center Dr
UNIT 270
Costa Mesa, CA 92626
Telephone: (949) 674-3676
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