

-
$2 Billion
Monsanto Roundup Verdict
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$15 Million
TBI Truck Crash Settlement
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$17.5 Million
A Major US Plane Crash
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$105 Million
Pharmaceutical Settlement
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$18 Million
A Helicopter Crash Settlement
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$8.5 Million
A Truck Crash Verdict

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A ranking in The U.S. News – Best Lawyers® “Best Law Firms” is widely regarded by both client and legal professionals as a significant honor. It is considered the most reliable, unbiased source of legal referrals anywhere.
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Wisner Baum is proud to be a sponsor of The Truck Safety Coalition, a a group of caring individuals dedicated to reducing the number of deaths and injuries caused by truck-related crashes. Our support enables them to help families and save lives.
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Law360 recognizes law firms that have a strong regional presence, working on important matters within their home state. “[Wisner Baum] possesses a David v. Goliath-sized slingshot while seeking justice for everyday citizens it believes were harmed or killed through corporate wrongdoing.”
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NLJ and American Lawyer Media honor law firms and attorneys as Elite Trial Lawyers for their cutting-edge legal work on behalf of plaintiffs in practice areas ranging from mass torts to securities litigation.
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Best Lawyers is the oldest and most respected peer-review publication in the legal profession. A listing in Best Lawyers is widely regarded by both clients and legal professionals as a significant honor, conferred on a lawyer by his or her peers.
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Less than one-half of one percent of firms across the nation have achieved this ranking. A firm must have a high percentage of lawyers who have achieved the prestigious AV® Preeminent rating by Martindale-Hubbell®.
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The National Law Journal inducted Wisner Baum into the Verdicts Hall of Fame for obtaining the $2 billion landmark verdict in the Roundup cancer case of Pilliod et al. v. Monsanto. The verdict was #1 in California and #2 in the U.S. in 2019 and is #9 in American history.
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Super Lawyers is a rating service of outstanding lawyers from more than 70 practice areas who have attained a high-degree of peer recognition and professional achievement.
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The National Trial Lawyers Top 100 recognized the law firms of Wisner Baum, the Miller Firm and Audet & Partners with the 2019 Trial Team of the Year award (in the Mass Torts category) for their work in the groundbreaking case of Dewayne “Lee” Johnson v. Monsanto Company.
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An AV® rating reflects an attorney who has reached the heights of professional excellence. The rating signifies the highest legal ability, and very high adherence to professional standards of conduct, ethics, reliability, and diligence.
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Wisner Baum is proud to have all of its lawyers listed in Avvo, a legal directory connecting people in need of legal services with lawyers and connecting lawyers to lawyers. Eight of our attorneys have earned a 10.0 perfect rating with Avvo.
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CA and USATopVerdict.com ranks our $2 billion verdict in Pilliod et al. v. Monsanto as the biggest verdict in California and the second largest verdict in the U.S. in 2019. It is the ninth largest verdict in U.S. history.
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Published annually, the Lawdragon 500 Leading Plaintiff Consumer Lawyers list recognizes the “best of the best” in this area of the law through nominations, research, and review by a board of their peers.
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In 2020, Law360 honored the law firms ”behind the litigation wins and major deals that resonated throughout the legal industry.” It recognized our success in several landmark cases.
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In 2018, our $289 million Johnson v. Monsanto verdict was the largest personal injury verdict in California. TopVerdict.com also ranked it #2 among all verdicts in California and #10 in the nation.
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The Bar Register is the definitive guide to the most distinguished law firms in America. It includes only those select law practices that have earned the highest rating in the Martindale-Hubbell Law Directory and have been designated by their colleagues as preeminent in their field.
Nationally-Recognized Civil Trial Lawyers
Advocating for Justice Nationwide
For more than 40 years, Wisner Baum has sought justice for our clients by holding major companies and manufacturers accountable for the harm their products and services have caused. Nationally recognized as a preeminent plaintiff’s law firm, our Board Certified* and award-winning attorneys have developed a reputation for breaking new legal ground, holding Fortune 500 companies accountable, influencing public policy, raising public awareness, and improving product safety.
A Powerful Record of Results
Since 1973, our professional legal team has won over $4 billion in historic verdicts and settlements for our clients. Based in Los Angeles, we’ve taken on thousands of domestic and international cases in complex areas like trucking accidents, pharmaceutical drug and medical device injuries, consumer class actions, aviation accidents, product liability, train accidents, bus crashes, toxic torts, and whistleblower lawsuits. If you or your loved ones have been injured as a result of another person’s negligence, we can provide the client-focused and trial-ready counsel that you deserve.

Contact us by clicking the button below, or call us toll-free at
(855) 948-5098 for a free, no-obligation consultation.

Firm Reviews
What Our Clients Are Saying
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I Can’t Imagine a Better Law Firm
“Multiple lawyers recommended Wisner Baum to me and I have been consistently impressed with the quality of their work.”
- Best Law Firms Survey -
They Are About Changing the Systems...
“Wisner Baum are not only amazing attorneys but more importantly, they are activists. They are about changing the systems which got us into trouble in the first place. They understand their role in the process of making change.”
- Kim Witczak -
Top Legal Minds in the Country
“The Wisner Baum firm has some of the top legal minds in the country; they are driven, determined, trustworthy, ethical and passionate.”
- From Best Lawyers® Best Law Firms -
Diligent & Professional Representation
“Thanks to your efforts I was able to recover from a tragic experience and turn my life around for the best.”
- W.T. -
Our Best Interest Was Always Number One on Your List
“A special thank you to your Spanish-speaking staff for the extra effort put into this case. The language barrier was never a problem, and we are so very thankful to them. Your name holds much respect in our family.”
- G.C. & C.C
A Tradition of Success
Meet Our Attorneys-
R. Brent Wisner
Attorney, Managing Partner
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Michael L. Baum
Attorney, Senior Partner
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Bijan Esfandiari
Attorney, Senior Partner
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Timothy A. Loranger
Attorney, Senior Partner, Pilot, Marine Corps Veteran
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Monique Alarcon
Attorney
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W. Crawford Appleby IV
Attorney
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Pedram Esfandiary
Attorney, Partner
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Adam M. Foster
Attorney
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Matthew P. French
Attorney
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Ari S. Friedman
Attorney, Partner
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Harrison E. James
Attorney
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Mayra Maturana
Attorney
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Clay Robbins III
Attorney, Partner
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Stephanie B. Sherman
Attorney, Partner
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Helen E. Tokar
Attorney
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Cara J. Luther
Attorney of Counsel
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Frances M. Phares
Attorney of Counsel
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Mark H. Schlein
Attorney of Counsel
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Ronald L. M. Goldman
Pilot, Attorney of Counsel, Retired
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John A. Greaves
Consulting Counsel, Retired Air Transport Pilot
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Paul J. Hedlund
Senior Shareholder, Mechanical Engineer, Retired
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J. Clark Aristei
Senior Shareholder, Deceased

Recognized as One of America’s Leading Litigation Firms
With a record of winning some of the most significant jury verdicts in recent history – such as the first and third Roundup cases against agrochemical giant Monsanto, which resulted in a combined $2.344 billion verdicts – our attorneys at Wisner Baum are often featured by the media, both here in the United States as well as abroad. Appearing thousands of times in television shows, radio programs, documentaries, newspapers, books, and magazines, our preeminent lawyers are committed to sharing our knowledge and insight with the international legal community – and with the American public we serve.
Because of this approach, we have also received many awards and accolades for our legal advocacy. With two Board Certified Civil Trial Lawyers* on staff, Wisner Baum has often been recognized by prestigious organizations like Martindale-Hubbell®, Best Lawyers in America®, the Multi-Million Dollar Advocates Forum, Super Lawyers, the National Board of Trial Advocacy, and Trial Lawyer Magazine, among many others. We were also honored to be a Finalist in the 2020 Elite Trial Lawyers Mass Torts "Law Firm of the Year" by The National Law Journal, and to receive the National Trial Lawyers: Top 100 “Trial Team of the Year Award" in 2019.
Wisner Baum has been recognized by national and international media as one of America’s leading firms.

Firm News & Updates
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Historic Actos RICO Class Action Against Big Pharma Could be Worth BillionsView Article
- Press Releases,
- Class Action News,
- Pharmaceutical News,
- R. Brent Wisner,
- Michael L. Baum,
- Consumer Lawsuits
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What Does a Motorcycle Accident Attorney Do?View Article
- Personal Injury,
- Motorcycle Accidents
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Can I File a Zantac Lawsuit in 2023?View Article
- Pharmaceutical News,
- R. Brent Wisner,
- Adam M. Foster,
- Zantac News,
- Helen E. Tokar
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Four Lawyers to Lead Over 75K Cases in Delaware Zantac Cancer LitigationView Article
- Pharmaceutical News,
- R. Brent Wisner,
- Zantac News
