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Julia Mezhinsky Jayne is a founding partner of Jayne Law Group, P.C. (formerly, Campbell & Jayne LLP).
Ms. Jayne is an experienced and accomplished trial lawyer who concentrates her practice on both white collar and general criminal defense in felony and misdemeanor cases. She represents a broad array of individuals and small companies in state and federal court, at the investigative, pre-trial, and trial stages. Her successes range from outright case dismissals to extremely favorable plea agreements. Ms. Jayne also has extensive jury trial experience in both state and federal court. Ms. Jayne is committed to making sure each client is satisfied with the result of his/her case. She has handled several newsworthy and high-profile cases.
Her white collar criminal defense matters include prosecutions involving mail and wire fraud violations, securities fraud (insider trading), bank fraud, environmental crimes, money laundering, alien harboring, money smuggling, antitrust, immigration crimes, false statements, identity theft, criminal contempt, tax evasion, and prosecutions with significant asset forfeiture implications.
Ms. Jayne’s experience in general criminal defense runs the gamut — from violent felonies and vehicular manslaughter to drug possession and sales, sexual assault, firearms offenses, juvenile offenses, theft and fraud cases, robbery, burglary, and driving under the influence.
Before founding her own firms, Ms. Jayne served as a Deputy District Attorney in Contra Costa County. There, she tried a variety of misdemeanor, felony, and juvenile cases. In her role as a prosecutor, she filed criminal charges, negotiated thousands of cases, and independently tried over 30 jury trials. After leaving the District Attorney’s Office, Ms. Jayne worked as a civil litigator at Larson • King in San Francisco. Thereafter, Ms. Jayne worked as a white collar criminal defense attorney and civil litigator at Sideman & Bancroft LLP, where she was involved in the representation of several high-profile white collar criminal defense clients.
Ms. Jayne also served as a legal intern to the Organized Crime Strike Force for the Department of Justice, U.S. Attorneys’ Office in San Francisco. She is also an adjunct professor at U.C. Hastings College of the Law since 2003.
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Practice Areas
26 years
26 years
Free Consultation
$0 first 20 minutes
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Chat withState: California
Acquired: 1999
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803 Hearst Ave, Berkeley, CA, 94710
Showing 1 - 5 of 26 client reviews from Avvo
Posted by Solo | January 30, 2025 | Hired Attorney
I cannot thank Julia Mezhinsky Jayne and Jayne Law Group, enough for their incredible legal expertise and unwavering support. Julia truly saved my life. From the moment she took on my case, she provided unparalleled attention to detail, ensuring that every aspect was meticulously handled. Her...
Posted by anonymous | March 14, 2023 | Hired Attorney
Just as I was dealing with a very difficult situation, I got lucky and came across Ms. Jayne who listened and advised with patience and kindness. My case got different turns during a period of one year but Ms. Jayne's professionalism and timeliness kept it from taking the unwanted direction and event...
Posted by anonymous | June 26, 2022 | Hired Attorney
My case was resolved in less than half an hour after my first meeting with Atty Julia. Yes, unbelievable! She worked like lightning aggressive and fast! I was feeling hopeless when I searched for criminal defense lawyers in my area. Upon reading the comments, my intuition told me she's the righ...
Posted by anonymous | May 30, 2021 | Hired Attorney
Julia is a great lawyer, and has the skills and personality you want to represent you and negotiate on your behalf. My case involved a settled outcome that satisfied the prosecutor, and she was just brilliant at that. She is very responsive and gave me good advice early in my case, of course. But ...
Posted by anonymous | February 9, 2021 | Hired Attorney
I had a situation where I needed to hire an Attorney so I asked a longtime friend of mine (who is also an Attorney) to refer me to someone that specializes what I need. He highly referred Julia Jayne - telling me "she is sharp and everyone speaks very highly of her". After my initial call, I was ...
"Julia Jayne is not only a savvy and knowledgeable litigator, but also shows caring and compassion for her clients. Every client and every case is given the individualized attention needed for a great outcome."
"Julia is a tenacious criminal defense attorney. She has a wealth of experience and knowledge to draw from. I wouldn't hesitate to refer a client to her for any white collar or other criminal matter."
"Julia is amazing. She's dedicated, motivated, extremely knowledgeable and a pleasure to be around. Every one of my clients I have referred to her were thrilled with results and I don't hesitate to recommend her anytime I'm asked for a recommendation of a criminal defense attorney."
"I highly endorse this lawyer. Julia is one of the best criminal attorneys I know. She is fierce in the court room and knows how to make a district attorney nervous with her trial skills and superior knowledge of the law. Her clients love her and they have good reason to."
"Julia brings a wealth of experience and ability to the practice of law. She is an outstanding advocate for her clients and adheres to the highest level of professional ethics."
"If you have found yourself running afoul of the Penal Code, one telephone call is all you need. Call Julia Jayne. Julia is one of the best Criminal Defense attorneys in the Bay Area."
"My office frequently refers criminal defense matters to Ms. Jayne. Her work is impeccable, and she truly cares about her clients. Highly recommended. I endorse this lawyer."
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2015
Superlawyer Award, Superlawyers
2013
Rising Star, SuperLawyers
2012
Rising Star, SuperLawyers
2011
Rising Star, Super Lawyers
2010
Rising Star, SuperLawyers
2009
Rising Star, SuperLawyers
2006 - Present
President, Jayne Law Group, P.C.
2003 - Present
Adjunct Professor, U.C. Hastings College Of The Law
2003 - 2006
Attorney, Sideman & Bancroft
2002 - 2003
Associate Attorney, Larson King LLP
1999 - 2002
Deputy District Attorney, Contra Costa County District Attorney's Office
2015 - Present
Business Leadership CouncilMember
2014 - Present
National Association of Criminal Defense LawyersMember
2013 - Present
State Bar of California, Criminal Law SectionAdvisor
2012 - Present
American Bar AssociationBay Area Women White Collar Defense Attorneys
2007 - Present
State Bar of California, Criminal Law SectionExecutive Committee Member
2005 - Present
Criminal Justice ActPanel Member
2012 - 2013
State Bar of California, Criminal Law SectionOutgoing Chair
Dismissed at Preliminary Hearing
N/A
N/A
2014
2014
2013
2013
2013
Russian
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