John M. O'Brien & Associates

John M. O'Brien & Associates

Dedicated to helping injured persons and their families seek maximum financial recoveries for their suffering.

Firm Overview

John M. O'Brien & Associates was founded in 1996 by John M. O'Brien on the belief that every injured person deserves the best legal representation. Since then our law firm has gained an excellent reputation for its aggressive and effective representation and also an outstanding record of successful case results with million of dollars recovered in compensation for our clients.

If you suffered an injury, either physically or mentally, due to the negligence of another person it is very important to seek legal assistance with a proven record in personal injury cases. An experienced personal injury attorney can help you obtain the maximum compensation for your personal injury accident.

Don't hesitate and contact us today for a free initial consultation!
Main Office
Sacramento - Main Office Location
717 K Street
Suite 530
Sacramento  CA  95814
  • (916) 714-8203
  • (916) 714-8201


Free Initial Consultation?
Services Offered For Fixed Fees?
Our law firm works on a contingency fee basis.

Office Information

Office Hours
8am-5pm PST
Office Manager
Brenda Marchant
Emergency After Hours
Languages Spoken
English, Spanish

Other Offices

Elk Grove Office
9401 E. Stockton Blvd.
Suite 225
Elk Grove,  CA  95624
Personal Injury
If you or your loved ones has been injured by the negligence of another person, contact John M. O'Brien & Associates, and Mr. O'Brien himself will evaluate your case.
John M. O'Brien & Associates is a personal injury law firm with offices in Elk Grove and San Francisco specialized in catastrophic injury cases such as traumatic brain injuries, spinal cord injuries, burn injuries and wrongful death. We have dedicated much of our practice to helping victims get the compensation they deserve.

Click here to read more about personal injury.
Auto Accident
There are over 10 million automobile accidents every year in the United States. As an experienced personal injury attorney John M. O'Brien knows both how common and how devastating these events can be.
If you have been the victim of a car accident, the last thing you want after an injury is to deal with the insurance companies. John M. O'Brien & Associates can help you with that! Mr. O'Brien has an extensive experience handling serious car accidents across the State of California and we will make sure you will recover the maximum compensation to which you are entitled.

Click here to read more about automobile accidents.
Product Liability
John M. O'Brien & Associates represents individuals and families in the Elk Grove and San Francisco areas affected by defective products.
At John M. O'Brien & Associates we believe that manufacturing companies have a responsibility for consumers and when something goes wrong regarding their products, those companies should be held responsible. It is our duty as product liability lawyers to hold those companies accountable and help injured victims recover the compensation they deserve.
If you or your family has been injured by a defective product, we can help you. Our attorneys will evaluate every evidence and will not rest until you and your family receive the compensation you need and deserve.

Click here to read more about product liability.
Nursing Home
Mr O' Brien and his Staff is dedicated to protecting the rights of elderly persons who haves suffered from nursing home abuse or neglect.
The percentage of the elderly population is increasing in the U.S and a high number of nursing homes are understaffed and are below standards of care required by state law. If you're loved one has been mistreated by a nursing home facility, you should seek legal assistance from an attorney that has experience with types of cases as soon as possible.

Click here to read more about nursing home abuse.
Wrongful Death
Our attorneys at John M. O'Brien & Associates, P.C. understand the devastating effects of losing your loved one.
If you have lost a loved one due to negligence of another person or entity, it is important to contact a qualify wrongful death lawyer before the statute of limitations for filling a wrongful death lawsuit runs out. We have won millions in damages representing clients in personal injury including wrongful death cases. John M. O'Brien & Associates will fight for your family. Call today for a free case consultation.

Click here to read more about wrongful death.

How did your firm decide on the primary area of practice(s)?

Mr. O'Brien's only goal during law school was to become a personal injury attorney and to offer justice to injured victims. Our history over the past 18 years proves how successful we've been achieving that goal and it remains our only mission even today. Being a personal injury attorney is a great honor and responsibility.

What distinguishes your law firm from others?

John M. O'Brien & Associates is different the any other law firm because of the way we treat our clients. You are not a case number for us, we treat each of our clients as part of our family and give each of them the individual attention he or she deserves. We have the experience to take on any defendant to ensure justice for our clients.

What experience or education distinguishes your lawyers from others?

With over 18 years of experience and history of successful case results, Mr. O'Brien enjoys an excellent reputation for integrity and aggressive advocacy with an impressive record of jury verdicts, arbitration awards and settlements on behalf of his clients.

What are your firm's strengths and style?

At John M. O'Brien & Associates we are dedicated in providing injured victims justice and maximum financial recovering for their suffering and our vast experience makes it easy for us to deliver the best results for our clients.

John O'Brien

Prior to funding John M. O'Brien & Associates, Mr. O'Brien had spent years working for some of the biggest law firms in California, Brobeck, Phleger & Harrison practicing personal injury and wrongful death cases. In 1996 Mr. O'Brien started his own practice with one goal in mind, to make sure that injured victims receive justice and just compensation they deserve.

Since then Mr. O'Brien has managed to achieve an impressive record of verdicts, arbitration awards and settlements on behalf of his clients.

With over 20 years of experience John M. O'Brien is a highly successful and experienced personal injury attorney.

If you want a free evaluation of your case contact me today!


Bar Number: 148757
California , 1990


University of Southern California Law School
JD - Juris Doctor , 1990
University of the Pacific
BA - Bachelor of Arts , 1987


Member, American Association of Justice
Member, Capitol City Trial Lawyers Association
Member, Consumer Attorneys of California
Associate Member, American Board of Trial Advocates
Member, California State Bar
Member, University of Southern California Law Review

Achievements & Awards

Trial Advocate of the Year - Capitol City Trial Lawyers Association 2009
AV Rating - Martindale-Hubbell

Bar Admissions

California State Bar
Sacramento County Bar Association
U.S. District Court
U.S. Court of Appeals
Ninth Circuit
Eastern & Northern District of California

Social Profiles


Grant Zehnder

Before joining John M. O'Brien & Associates, Grant Zehnder spent three years as a defense civil litigator with his practice focusing mainly on personal injury, labor and employment matters, working for Cook Brown, LLP, in Sacramento as an associate attorney.

Prior to his bar admission Mr. Zehnder worked as a volunteer at the Sacramento County Public Defender's Office where he gained valuable courtroom experience.

Education University of the Pacific, McGeorge School of Law
Juris Doctor with Great Distinction, 2010
University of California, San Diego, Bachelor of Sciences in Management Science; Minor in Psychology, 2006

MembershipsMember, Capitol City Trial Lawyers Association
Member, California State Bar
Member, Sacramento County Bar Association
Member, Sacramento Metro Chamber

Achievements, Awards & HonorsOrder of the Coif (Top 10%)
Traynor Honor Society
Comment Writer, McGeorge Law Review
Dean's Honor List, 2007-2010
Dean's Scholarship Award, 2007-2010
Witkin Award for the Highest Grade in Torts, 2007-2008
Witkin Award for the Highest Grade in Evidence, 2008

Bar AdmissionsCalifornia State Bar
Sacramento County Bar Association

Social ProfilesFacebook

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