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Dean R. Sadeddin
About Dean
Biography
Dean Sadeddin is not just an attorney; he's a committed partner in your legal journey. With a primary focus on putting clients first, Dean ensures that you are not only represented but actively involved in crucial decision-making processes every step of the way.
With a relentless dedication to obtaining the best possible results, Dean fights vigorously against insurance companies to secure the compensation you deserve. His extensive experience spans thousands of personal injury cases, allowing him to navigate complexities with ease and expertise.
At our firm, client satisfaction is paramount. Having worked with thousands of individuals, Dean understands the importance of tailored representation. Through a combination of years of attorney knowledge and vigorous advocacy, Dean has successfully recovered millions in compensation for his clients.
When you choose Dean Sadeddin, you're choosing a legal ally who is committed to your well-being and dedicated to achieving justice on your behalf. Your satisfaction is not just a goal; it's our standard.
Practice Areas
5
Practice Areas
Personal Injury
60%
16 years | 4,500 cases
Workers Compensation
20%
11 years | 250 cases
Estate Planning
10%
3 years
Corporate and Incorporation
5%
11 years
Fees and Rates
Cost
Payment Methods
- Cash
- Check
- Credit Card
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Chat withLicenses
Licensed in California for 2 years
State: California
Acquired: 2023
No misconduct found
Location
Richard Sadeddin Law Group
1026 west foothill Blvd., Upland, CA, 91786
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Dean R. Sadeddin's Reviews
Showing 1 - 5 of 41 client reviews from Avvo
Posted by anonymous | September 24, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Personal injury case
I had the privilege of being represented by Dean Sadeddin in a personal injury case. Mr. Dean Sadeddin was professional, compassionate, and thorough in handling my personal injury case. He communicated clearly, represented me well and made the process much easier. I highly recommend him.
Posted by Julia | August 27, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Worker compensation
I hired attorney for work injury . Today we had deposition . And obtained a settelment higher then expected . Attorney on top of things . Very hands on , avilable to meet me upon request . I highly recomend his services . Very nice person and easy to communicate with.
Posted by Emilio | August 21, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Best attorney that will handle your reasons to need a attorney very excellent.
I got this attorney and it was the best choice I could’ve made, they completely handled everything and explain everything that was going on very professionally. Did not leave out anything that was the best part because as someone who does not understand what is going on, they made it very clear to w...
Posted by Kenia O. | May 8, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Great lawyer! Best in town!
Working with Dean once again has been a pleasure. I have zero complaints about him or the law firm, everyone there is very friendly. Very happy with the outcome of our compensation. I will always keep recommending him to my friends and family. Thank you to Lizbeth as well. She always kept me updated ...
Posted by M.S. | May 7, 2025 | Hired Attorney
This review is from a person who hired this attorney.
Excellent attorney
Mr sadeddin is an excellent attorney and was a pleasure to work with. Thank you again Dean .
Dean R. Sadeddin's Lawyer Endorsements
"Dean is a rare attorney who always finds time to address his clients concerns. He works hard to ensure that his clients get the best results and he goes above and beyond. Dean cares about his clients and delivers amazing results regularly."
"I am delighted to provide this heartfelt endorsement for Attorney Dean Sadeddin. Having had the privilege of collaborating with Dean on multiple cases, I can attest to their exceptional legal acumen, unwavering professionalism, and dedication to achieving the best possible outcomes for their clients. Dean is a true asset to the legal profession. Dean possesses a comprehensive knowledge of personal injury cases and this expertise enables him to analyze complex legal issues with remarkable clarity, identify key arguments, and craft persuasive strategies that consistently yield favorable results."
Kamel Muhyieddeen
Personal injury lawyer
Experience
Honors
2025
Top 40 Under 40, American Institute of Trial Lawyers
2025
Client Champion Award, Martindale-Hubbell
2025
Client's Choice, Avvo
2024
Client's Choice, Avvo
2023
Client's Choice, Avvo
Work Experience
2010 - Present
Attorney At Law, Richard Sadeddin Law Group
Associations
2024 - Present
California Applicants' Attorneys AssociationAssociate Member
Sample of Legal Cases
auto vs auto
6 figure settlement for a noninsured driver
Auto Vs Commerical
7 figure settlement / out of court
Recent Case , Auto Accident
settled through mediation.
Education
2021
Abraham Lincoln University School of Law
JD - Juris Doctor
Languages
Spanish
English