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Jennifer Lumsdaine

Attorney Profile

Top Rated Estate & Trust Litigation Attorney in Long Beach, CA

Tredway Lumsdaine & Doyle LLP (TLD Law)
3900 Kilroy Airport Way, Suite 240
Long Beach, CA 90806
Phone: 562-923-0971
Fax: 866-831-7302
Selected to Super Lawyers: 2015 - 2023
Selected to Rising Stars: 2013 - 2014
Licensed in California Since: 2004
Practice Areas: Estate & Trust Litigation, Estate Planning & Probate, Business Litigation
Attorney Profile

Jennifer Lumsdaine is an attorney and partner at Tredway Lumsdaine & Doyle LLP (TLD Law) in Long Beach, California. Ms. Lumsdaine has over 17 years of legal experience and helps clients in the areas of conservatorships, estate planning, probate, trust administration, and trust and estate litigation. She also advises clients on information and data privacy issues. She represents individuals and families throughout the Los Angeles metropolitan area.

Over her time in practice, Ms. Lumsdaine has earned a reputation as a respected legal professional. She develops personal relationships with her clients and provides wise counsel and guidance on a variety of legal issues, including breaches of fiduciary duty, elder abuse, and trust and will contests. She also counsels her business clients on protecting their data and assets, and she is dedicated to obtaining the best possible solution to their specific situation.

A valuable contributor to her legal community, Ms. Lumsdaine is a former adjunct professor at Cerritos College and has spoken to groups and organizations on subjects such as data privacy laws and digital asset planning. She is an active member of the Los Angeles County Bar Association and has served on the board of the South East District Bar Association. She enjoys serving her local community and has served on the board of the Downey Family YMCA.

In 2000, Ms. Lumsdaine graduated from the University of California, Berkeley. She went on to receive her law degree from Loyola Law School, Los Angeles, in 2004. She holds a license to practice law before all California state courts and the U.S. District Court for the Central District of California.

Practice Areas
  • 50%Estate & Trust Litigation
  • 30%Estate Planning & Probate
  • 20%Business Litigation
Focus Areas

Will Contests, Estate Planning, Guardianships & Conservatorships, Living Wills, Power of Attorney, Probate & Estate Administration, Trusts, Wills


9 Years Super Lawyers
2 Years Rising Stars
  • Super Lawyers: 2015 - 2023
  • Rising Stars: 2013 - 2014

About Jennifer Lumsdaine

First Admitted: 2004, California

Professional Webpage:

Educational Background

  • University of California at Berkeley, B.A., 2000

Pro bono/Community Service

  • Past Board Member, Downey Family YMCA, 2010 – 2019
  • Downey Family YMCA, Board of Trustees, 2013

Bar/Professional Activity

  • Member, Los Angeles County Bar Association
  • California, 2004
  • S. District Court, Central District of California, 2004
  • Board Member, Los Angeles County, Southeast District Bar Association, 2009 – 2019
  • President of the Southeast District Bar Association, 2012


  • Southern California Super Lawyers, 2015-2020
  • Golden Key National Honor Society Member
  • Loyola Law School Dean’s List, 2000 – 2004
  • Southern California Super Lawyers Rising Star, 2013, 2014
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Office Location for Jennifer Lumsdaine

3900 Kilroy Airport Way
Suite 240
Long Beach, CA 90806

Phone: 562-923-0971

Fax: 866-831-7302

Last Updated: 6/23/2022

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