Wisner Baum

Open for Business
  • Established in 1973
  • Firm Size 20
  • Award-winning trial attorneys, representing people across the U.S. in catastrophic personal injury and wrongful death cases stemming from defective consumer products, medications and commercial transportation accidents.

  • Peer Reviews

    5.0/5.0 (35)
  • Profile Visibility [ i ]
    • #1,339 in weekly profile views out of 314,998 total law firms Overall
Attorney Awards
  • Martindale-Hubbell Peer AV Preeminent Rating
  • Silver Client Champion
  • Avvo Client Choice
About Attorney Awards

About this firm

Award-winning trial attorneys, representing people across the U.S. in catastrophic personal injury and wrongful death cases stemming from defective consumer products, medications and commercial transportation accidents.

With a tradition of success that dates back to 1985, the Wisner Baum law firm (formerly Baum Hedlund Aristei & Goldman, PC), in Los Angeles, California, continues to provide honorable legal counsel and support to clients across our state and throughout the country. Over the past 40 years, we have grown into one of the most prominent and successful law firms representing people who have suffered a serious injury or lost a family member due to negligence or wrongdoing.

To date, we have won more than $4 billion in verdicts and settlements for our plaintiff clients. Many of our top-ranked, highly dedicated lawyers have practiced law for decades. The firm’s attorneys will always strive to deliver the highest level of representation possible and pursue maximum compensation.

Wisner Baum has seven offices (including satellite offices) across California and one in Washington, D.C. With decades of experience handling many types of personal injury and wrongful death claims, we can help you achieve the justice you deserve for your complex legal issues involving: catastrophic injury, commercial transportation accidents, pharmaceutical drug and medical device product liability, mass torts, and class actions.

When we take on a case, your mission becomes our mission, and we pride ourselves on being your advocate in a time of need. Our service to you and your family doesn’t stop with the pursuit of maximum compensation; we also work tirelessly to be a force for positive change. This includes advocating for improved safety, and fighting to deter future incidents from happening again.

Nationally recognized for obtaining justice and compensation, our lawyers continue to earn top rankings and endorsements from peers and legal publications, including Law360’s California Powerhouse award, U.S. News-Best Lawyers® Best Law Firms, Super Lawyers®, and the highest AV® Preeminent®, Peer Review Ratings from Martindale-Hubbell®*. In addition, some of our attorneys are listed in the Lawdragon 500 Leading Consumer Lawyers and National Trial Lawyers Civil Plaintiff Top 100 Trial Lawyers.

Our groundbreaking work in the Monsanto Roundup litigation resulted in three jury verdicts worth a combined $2.424 billion. In recognition of these historic verdicts, the National Law Journal inducted three of our lawyers into The Verdicts Hall of Fame.

Praise from past clients and other firms we work with means just as much, if not more than our case results. Our law firm has received countless positive reviews and referrals from satisfied clients and peers.

To find out more about how we can best assist you in seeking justice for the wrong you have suffered, contact Wisner Baum LLP. We offer free and confidential case evaluations.

*AV®, AV Preeminent®, Martindale-Hubbell DistinguishedSM and Martindale-Hubbell NotableSM are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

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Areas of Practice (27)

  • Serious or Catastrophic Personal Injury Accident Litigation
  • Aviation Accident Litigation
  • Airline Accidents
  • Helicopter Crash Litigation
  • Bus Accidents
  • Trucking Accidents
  • Train Accidents
  • Railroad Accidents and Injuries
  • Public Transportation Accidents
  • Mass Disaster Litigation
  • Drug Product Liability
  • Class Actions
  • Complex Multi-District Litigation
  • Drug and Medical Device Litigation
  • Whistleblower Qui Tam Lawsuits
  • Brain Injury
  • Catastrophic Injury
  • Commercial Vehicle Liability
  • Head Injury
  • Plaintiffs Personal Injury
  • School Bus Accidents
  • Spinal Injury
  • Traumatic Brain Injury
  • Wrongful Death
  • Qui Tam Litigation
  • Zantac Litigation
  • Self-Driving Car Accidents

People (20)

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Timothy A. Loranger: Attorney with Wisner Baum
Timothy A. Loranger
Senior Partner
5.0
9 Reviews
Los Angeles, CA

Aviation Accidents, Aviation Products Liability, Helicopter Crash Litigation, Catastrophic Injury, Bus Accidents, Plaintiffs Personal Injury, School Bus Accidents, Wrongful Death, Traumatic Brain Injury, Products Liability, Truck Accidents, Train Derailments View More

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Michael L. Baum: Attorney with Wisner Baum
Michael L. Baum
Managing Partner
5.0
25 Reviews
Bakersfield, CA , 
Los Angeles, CA , 
Ontario, CA , 
Sacramento, CA , 
San Diego, CA
+ 4 more

Antidepressant Birth Defect Litigation, Class Actions, Complex Litigation, Drug and Medical Device Litigation, Multi-District Litigation, Products Liability, Catastrophic Injury, Mass Torts, Wrongful Death, Whistleblower Litigation, Qui Tam Litigation, Toxic Torts, Personal Injury, Defective or Dangerous Pharmaceuticals View More

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R. Brent Wisner: Attorney with Wisner Baum
R. Brent Wisner
Managing Partner
5.0
15 Reviews
Greenbrae, CA , 
Los Angeles, CA
+ 1 more

Consumer Class Actions, Drug and Medical Device Litigation, Products Liability, Personal Injury, Wrongful Death, Toxic Torts, Product Defects View More

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Bijan Esfandiari: Attorney with Wisner Baum
Bijan Esfandiari
Senior Partner
5.0
6 Reviews
Los Angeles, CA

Wrongful Death, Catastrophic Injury, Drug and Medical Device Litigation, Class Actions, Complex and Multi-District Litigation, Mass Torts, Consumer Fraud, Product Liability View More

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Monique Alarcon: Attorney with Wisner Baum
Monique Alarcon
Partner
5.0
5 Reviews
Los Angeles, CA

Consumer Class Actions, Drug and Medical Device Litigation, Products Liability, Personal Injury, Wrongful Death, Product Defects, Police Misconduct View More

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William Crawford Appleby: Attorney with Wisner Baum
William Crawford Appleby
Partner
No Reviews
Los Angeles, CA

Complex and Multi-District Litigation, Aviation Accidents, Airplane Crash Litigation, Helicopter Crash Litigation, Catastrophic Injury, Whistleblower Litigation, Qui Tam Litigation, Traumatic Brain Injury, Truck Accidents, Wrongful Death View More

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Pedram Esfandiary: Attorney with Wisner Baum
Pedram Esfandiary
Partner
5.0
2 Reviews
Los Angeles, CA

Consumer Fraud, Personal Injury, Pharmaceutical Drug Product Liability, Toxic Torts, Products Liability, Complex and Multi-District Litigation, Class Actions View More

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Adam Foster: Attorney with Wisner Baum
Adam Foster
Associate
No Reviews
Los Angeles, CA

Consumer Class Actions, Consumer Fraud, Medicare Secondary Payer View More

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Peer Reviews

5.0/5.0 (35 reviews)

  • Legal Knowledge

    5.0/5.0

  • Analytical Capability

    5.0/5.0

  • Judgment

    4.9/5.0

  • Communication

    5.0/5.0

  • Legal Experience

    5.0/5.0

  • 5.0/5.0 Review for J. Clark Aristei by a Sole Practitioner on 03/05/13 in Civil Litigation

    I have known Clark for over 30 years. I have always found him to be an attorney of the highest caliber, both in terms of intellect, professionalism, and integrity.

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  • 5.0/5.0 Review for Michael L. Baum by a Managing Partner on 02/24/13 in Mass Torts

    Michael is a very impressive individual and lawyer. I give him my highest rating..

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  • 5.0/5.0 Review for Frances M. Phares by a Partner on 06/26/12 in Litigation

    Fran is a remarkable person and remarkable attorney. She brings honor to our profession.

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  • 5.0/5.0 Review for Frances M. Phares by a Sole Practitioner on 04/18/13 in Litigation

    A true professional in the best sense of the word. Superb attorney. A credit to the bar, and a godsend to her clients.

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  • 5.0/5.0 Review for J. Clark Aristei by a Sole Practitioner on 03/23/13 in Litigation

    Mr. Aristei is a gentleman - professional - a pleasure to work with - Honest

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  • 5.0/5.0 Review for Michael L. Baum by a Senior Associate on 03/12/13 in Products Liability

    Fantastic attorney with good instincts and willing to take on large companies. Good grasp of inherent difficulties of large litigation and how best to navigate cases forward.

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  • 5.0/5.0 Review for Michael L. Baum by a Managing Partner on 05/10/13 in Products Liability

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  • 5.0/5.0 Review for Frances M. Phares by a Principal on 04/23/13 in Products Liability

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  • 5.0/5.0 Review for Frances M. Phares by a Principal on 04/23/13 in Drug and Medical Device Litigation

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  • 5.0/5.0 Review for Paul J. Hedlund by a Managing Partner on 04/23/13 in Personal Injury

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Peer reviews submitted prior to 2008 are not displayed.

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Avvo Reviews

Bar Registry

  • Aviation Law

  • Product Liability Law

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