About Thomas Owen
Thomas Owen Rassman is a licensed attorney admitted to practice law within the State of California. He was licensed to the California State Bar in 2005. His license is presently in lively standing. Mr. Rassman is a partner at Opelon LLP, a law firm that specialize in trusts, estates, and probate regulation, positioned in Carlsbad, California. He has been practicing law for over two decades, serving clients throughout San Diego County.
Mr. Rassman earned his law degree degree from Pepperdine University School of Law in 2004. He additionally holds a Master of Laws in Taxation from the University of San Diego School of Law and a Master of Business Administration from Pepperdine University's Graziadio School of Business. Prior to law school, he finished his undergraduate schooling at the University of California, Los Angeles, receiving a Bachelor of Arts in English Literature in 2003.
Mr. Rassman's practice focuses on property planning, estate administration, and trust administration. He represents individuals and families in developing comprehensive estate plans, guiding trustees and beneficiaries through trust management, and helping with probate proceedings. His work encompasses all levels of these processes, which includes preliminary consultations, document preparation, pleadings, and submit-demise administration.
Throughout his career, Mr. Rassman has handled instances in the Superior Court of California for the County of San Diego and the United States District Court for the Southern District of California. He has additionally appeared before the California Court of Appeal. Before co-founding Opelon LLP in 2021, he was a partner at Rassman Law in Carlsbad, California, where he practiced for over 15 years.
Mr. Rassman is an active member of the California State Bar and its Trusts and Estates Section. He is likewise a member of the San Diego County Bar Association, including its Taxation and Business and Corporate Law Sections, and the North County Bar Association. In 2025, he was named a finalist for Business Professional of the Year by the Carlsbad Chamber of Commerce and used to be decided on to the San Diego top-rated attorneys list listing for the 0.33 consecutive yr. Mr. Rassman is fluent in English and Spanish, allowing him to serve the diverse communities of San Diego County successfully.
