Atty. Bijan Esfandiari

Atty. Bijan Esfandiari

Bijan Esfandiari is a pharmaceutical product liability litigation attorney and a senior shareholder partner at Wisner Baum (formerly Baum Hedlund Aristei & Goldman) in Los Angeles. He has successfully represented clients in state and federal courts across the nation, at both the trial and appellate level, in wrongful death and catastrophic personal injury cases.He has participated in several cases that have shaped and developed the law for the benefit of injured victims and consumers of pharmaceutical products.

Los Angeles Los Angeles 24 yrs experience 24 year
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Profile Summary

About Bijan Esfandiari at a glance

Bijan Esfandiari is a personal injury, class action, and product liability attorney based in Los Angeles, California, practicing at Wisner Baum PC. They have 24+ years of legal experience, licensed to practice since 2002. Admitted to practice in California (2002). Educated at University of California Los Angeles (J.D., 2002) and University of California - Los Angeles (B.A. cum laude, 1999). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs (2026), Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Bijan Esfandiari is a pharmaceutical product liability litigation attorney and a senior shareholder partner at Wisner Baum (formerly Baum Hedlund Aristei & Goldman) in Los Angeles
  • He has successfully represented clients in state and federal courts across the nation, at both the trial and appellate level, in wrongful death and catastrophic personal injury cases.He has participated in several cases that have shaped and developed the law for the benefit of injured victims and consumers of pharmaceutical products
  • In one case of first impression (a case that presents a new issue for legal interpretation), the Court agreed with Bijan's argument and held that drug manufacturers owe an affirmative duty to warn regarding risks associated with children's off-label use.Bijan's published cases have also exposed reprehensible corporate conduct
  • In one instance, a federal court in Pennsylvania allowed Bijan's clients to proceed with their punitive damages claims after finding that internal documents demonstrated the defendant had "acted with a wanton and willful disregard for the safety of its consumers."Where drug makers have tried to convince courts that federal preemption (the doctrine that federal law preempts conflicting state laws) grants them immunity from state lawsuits, Bijan has time and again prevented their escape
  • In Mason v
  • SmithKline Beecham Corp., the first and only prescription drug preemption case to be heard by the U.S
  • Seventh Circuit Court of Appeals, the drug maker argued that FDA approval of a drug shielded its manufacturer from fault even if the company later learned of harmful negative reactions
  • The court, however, sided with Bijan and held that plaintiffs' claims were not preempted by federal law.Bijan has likewise successfully opposed preemption in numerous other state and federal court cases
  • He co-authored amicus briefs in support of the respondents in the Supreme Court's landmark cases Wyeth v
  • Levine, 129 S.Ct. 1187 (2009) and Pliva v
  • Mensing, 131 S.Ct. 2567 (2011)
  • Bijan received his bachelor's degree (cum laude, 1999) and J.D. degree from UCLA
  • He has been selected to Best Lawyers®, The National Trial Lawyers Top 100 Trial Lawyers, and Southern California Super Lawyers®
  • He also - has an rating of 10 out of 10: Superb

Practice Areas Explained

Bijan Esfandiari's Areas of Practice

Each practice area below reflects the types of cases Bijan Esfandiari handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Bijan Esfandiari is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Class Action

Bijan Esfandiari is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in California →

Product Liability

Bijan Esfandiari is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Los Angeles are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Bijan Esfandiari

Where is Bijan Esfandiari's law office located?
Bijan Esfandiari's law practice is located in Los Angeles, California. The firm is Wisner Baum PC. You can contact the office directly through this profile page.
What practice areas does Bijan Esfandiari handle?
Bijan Esfandiari focuses on personal injury, class action, product liability. Each practice area listed reflects experience handling cases of that type in California.
How long has Bijan Esfandiari practiced law?
Bijan Esfandiari has 24+ years of legal experience and has been licensed since 2002.
Where did Bijan Esfandiari go to law school?
Bijan Esfandiari earned their education at (J.D., 2002); (B.A. cum laude, 1999).
How can I contact Bijan Esfandiari for a consultation?
You can contact Bijan Esfandiari directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Bijan Esfandiari received?
Bijan Esfandiari's notable recognition includes: Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs; Best Lawyers in America — Personal Injury Litigation - Plaintiffs; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Consumer Protection Law; Best Lawyers in America — Product Liability Litigation - Plaintiffs.

Education

J.D.
University of California Los Angeles
- 2002
B.A. cum laude
University of California - Los Angeles
- 1999

Awards

Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs
- 2026
Best Lawyers in America — Personal Injury Litigation - Plaintiffs
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Consumer Protection Law
- 2026
Best Lawyers in America — Product Liability Litigation - Plaintiffs
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Products Liability Trial Lawyers Association – Top 25
- 2026
Best Lawyers in America — Avvo.com Superb Score 10 out of 10
- 2026
Best Lawyers in America — Selected to: Southern California Super Lawyers, 2017 – 2021
- 2026
Best Lawyers in America — The National Trial Lawyers Top 100 Trial Lawyers
- 2026
Best Lawyers in America — Selected to: Southern California Super Lawyers – Rising Stars, 2009 – 2016
- 2026
Best Lawyers in America — Up-and-Coming 100: 2016 Southern California Rising Stars – Top List
- 2026
Best Lawyers in America — Listed, The Bar Register of Preeminent Lawyers™
- 2026

Bar Admissions

California
Admitted: 2002

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