Jonathan D. Primuth


Contact info

Jonathan D. Primuth



Phone: (626) 793-9400

Pasadena, CA

Estate Planning

Trust & Probate

Elder Law





National Business Institute (NBI):

Trusts From A to Z

Estate and Trust Administration Processes and Challenges

Step-by-Step Guide to Drafting Wills and Trusts

Trusts: The Ultimate Guide

Estate Planning 101

Top Attorney 2021 – Pasadena Magazine

Certified Specialist (California) in Estate Planning, Trust and Probate Law

Member of the City Council, City of South Pasadena.

Member, South Pasadena Unified School District Board of Education, 2015-2020.

Board Member, Institute for the Redesign of Learning.

Board Member, Club 21 Learning and Resource Center.

Member, National Academy of Elder Law Attorneys.

Jon has been fortunate to learn his trade from some of the very finest lawyers in the country. He applies that top level of skill, diligence, and understanding to every matter in his office.


Leaving the downtown big firms and boutiques behind, Jon opened his estate planning practice in Pasadena in 2006 to focus on estate planning, trust and probate matters for families and business owners. He is a California State Bar-certified specialist in estate planning, trust and probate law.

Jon’s estate planning experience includes multinational families and business succession planning. He speaks and reads Mandarin Chinese with high proficiency. He handles complex trust and probate administrations involving estate and gift tax, asset allocation, accounting, creditor, property tax, income tax, and appraisal issues. With a strong litigation background, he manages a wide range of probate litigation including will contests, elder abuse claims, breach of trust claims, contested conservatorships, and property ownership disputes.

Jon is a UCLA Law School alum. He has a passion for improving our local public schools and currently serves as an elected school board member for the South Pasadena Unified School District.

Lagerlof, LLP is the largest firm in Pasadena. With over 100 years of experience satisfying clients, we are leading the market in strategic support. We are a team of trusted legal advisors on a mission to provide every client with clarity and understanding to succeed in a complex world. Lagerlof, LLP stands for innovation tempered with practicality, for thoroughness countered with common sense, and above all else, for impeccable integrity.

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