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Sergio Jose Siderman is a renowned Los Angeles-based lawyer, helping his clients obtain legal status in the United States. Sergio is the founder of Law Offices of Sergio Siderman, an “A” rated law firm with the Better Business Bureau. Sergio is a licensed California attorney in good standing with the State Bar. He speaks fluent Spanish and focuses exclusively in legal matters regarding: immigration.
Sergio is admitted and has been practicing before state and federal courts for the last 25 years. He is also an authorized Continuing Legal Education instructor. Sergio received his Juris Doctorate from Cornell Law School and a B.A. in Political Science with Honors from the University of Southern California.
Sergio was born and raised in Tucamon, Argentina. He lived there with his family until they were forced to leave under death threats from the military government in 1976 (during an era known as “the Dirty War” in Argentina). Sergio and his entire family left the country with only the clothes on their backs and sought asylum in the United States. Sergio’s grandfather, Jose Siderman, sued Argentina for human rights violations and the theft of his properties, becoming the first immigrant to successfully sue a foreign sovereign nation from the United States (see Siderman v. Argentina, 965 F.2d 699 (9th Cir. 1992).
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Practice Area
29 years | 35,000 cases
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$0 first 60 minutes
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Chat withState: California
Acquired: 1997
No misconduct found
1625 W. Olympic Bl., 9th floor, Los Angeles, CA, 90015
101 Client Reviews
Showing 1 - 5 of 24 reviews | Advocacy
Posted by anonymous | March 20, 2026 | Hired Attorney | Lawsuits & Disputes
Dishonest Law Firm / Fraude!
Be careful with these people. They just took my money and then wouldn’t take my calls. They did not help me but stole my money. Maybe Mr Siderman does not know what his employees do behind his back. CUIDADO CON ESTA GENTE. Nada más tomaron mi dinero y luego se reusaban a tomar mis llamadas. No me ay...
Posted by anonymous | October 29, 2022 | Hired Attorney | Immigration
Run from this place
Run from this place!! They do not care about your time, they don’t care about your case and they lie! Today they lied to us saying that we needed to go redeem our deposit by going in person to cancel our case because we had already cancelled via phone. They had us waiting 2 hours!!! What a ...
Posted by Ariel | October 28, 2022 | Hired Attorney | Immigration
Green Card Specialist
Sergio got me my green card years ago and more recently helped with a Visa. He's unstoppable once he takes you on as a client. Very polite and courteous as well.
Posted by Eric | October 28, 2022 | Hired Attorney | Immigration
Thank you for your hard work
Sergio Siderman worked on my case for more than a year and got the job done. He was professional and courteous the entire time. He did a multitude of tasks for me including work permit and appearing at hearings when necessary for me. Good value and strong morals.
Posted by Charlotte | October 27, 2022 | Hired Attorney | Immigration
Sergio Siderman was great!!
Sergio Siderman and the Siderman Firm got me out of trouble with ICE. I was detained and they got me out and helped me get my Visa. I was harassed and taunted and Sergio was the one who fought for me. I am forever grateful. He knew I couldn't afford the fee so he helped me with that too!! I only ...
"I endorse this lawyer. Mr. Siderman is a consummate professional. He fights for his clients and gets outstanding results. His background as a political refuge helps to serve the community he advocates for."
"I endorse this lawyer's work. I've known Sergio for over 10 years. He is conscientious and a straight-shooter, and someone you definitely want on your side. I wholeheartedly endorse him as an attorney and a person."
"I endorse this lawyer's work. Mr. Siderman is a creative, intelligent advocate whose superior analytical, writing and verbal skills separates him from the average attorney. I would happily recommend Mr. Siderman to clients, family and friends who are seeking a strong attorney with insightful knowledge and significant experience."
Immigration lawyer
2015 - Present
Founder, Law Offices Of Sergio Siderman
2013 - 2015
Co-Founder/Partner, Los Angeles Immigration Attorneys
2009 - 2013
Managing Partner, L.A. Bankruptcy Associates, LLP
2005 - 2014
Commissioner, Los Angeles Department of Transportation, Board of Taxicab Commissioners
1998 - 2006
Attorney, Law Offices of Sergio J. Siderman
1996 - 1998
Attorney, Foley & Lardner, LLP
1997 - Present
State Bar of CaliforniaMember
N/A
law
N/A
undergraduate
English
Spanish
Legal Answers
Legal Guides
Do i continue to pay my landlord the monthly rent if he is in foreclosure and letting the house go?
10 Jan 2011
After 40 years as a dentist I had to close down and declare bankruptcy because of the downturn of the economy.
01 Nov 2010
Can someone else pay my Chapter 7 bankruptcy attorney fees?
29 Oct 2010