Atty. Mathew Wrenshall
Mat is the Managing Partner in the Pasadena office of RMO LLP. He handles disputes over contested wills, trusts, and conservatorships in probate court as well as business disputes in a wide variety of contexts, with a focus in the financial services space.
Profile Summary
About Mathew Wrenshall at a glance
Mathew Wrenshall is a trusts attorney based in Los Angeles, California, practicing at RMO LLP. They have 14+ years of legal experience, licensed to practice since 2012. Admitted to practice in California, The State Bar of California (2012), California, The State Bar of California (2012), California, The State Bar of California (2012), and California, The State Bar of California (2012). Educated at University of Pittsburgh (J.D.). Recognitions include Best Lawyers in America — Litigation - Trusts and Estates (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — “Leaders of Influence: Thriving in Their 40s,” Los Angeles Business Journal, 2023 (2026). Serands clients in Los Angeles, CA and the surrounding metropolitan area.
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About
- Mat is the Managing Partner in the Pasadena office of RMO LLP. He handles disputes over contested wills, trusts, and conservatorships in probate court as well as business disputes in a wide variety of contexts, with a focus in the financial services space
- Using his lengthy experience as a litigator, Mat works closely with clients to resolve complex disputes that often involve complicated family dynamics
- Mat has experience with claims relating to disinheritance, elder abuse, and undue influence, and is experienced at finding creative solutions to what are often fraught and emotional situations
- Mat graduated from Harvard University with an A.B. in History and Literature
- While at Harvard, Mat was a member of the varsity swim team and was Eastern Conference champion in the 200 yard freestyle
- He was also a member of the Harvard Lampoon
- After working for a large private wealth manager, Mat attended the University of Pittsburgh School of Law, graduating cum laude
- At Pitt, Mat served on the University of Pittsburgh Journal of Law and Commerce, and won the CALI award in Evidence
Practice Areas Explained
Mathew Wrenshall's Areas of Practice
Each practice area below reflects the types of cases Mathew Wrenshall handles, with a brief overview of what that area of law covers.
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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 Los Angeles 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.
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