David Wool specializes in innovative and creative strategies to win high stakes trials and appeals. Mr. Wool’s practice spans from all stages of toxic torts and class actions to pharmaceutical and medical device cases. Recently, Mr. Wool helped secure a $26 million verdict as trial counsel in Hardeman v. Monsanto Company, the first federal trial involving claims that Roundup caused non-Hodgkin’s lymphoma. Mr. Wool served as lead counsel for the appeal of Hardeman before the Ninth Circuit Court of Appeals, where he achieved a complete win on both federal preemption and Daubert challenges. In 2025, Mr. Wool secured another major appellate win before the Ninth Circuit, reversing a trial court’s dismissal of a consumer class action against Bayer and Monsanto.
Adept in the courtroom and working alongside co-counsel, Mr. Wool was appointed as co-lead counsel in a Massachusetts state court consolidation of thousands of claims involving defectively designed hernia mesh. Previously, Mr. Wool was appointed to the Plaintiff’s Steering Committee in multi-district litigation (MDL) 2642, In Re Fluoroquinolone Products Liability Litigation, by the Honorable John R. Tunheim to represent thousands of plaintiffs suffering from permanent and debilitating peripheral neuropathy.
In recognition of these successes, Wool Trial Law was recently named one of Law360’s “Legal Lions of the Week” for 2025. Mr. Wool was previously selected as one of Law360’s top attorneys under 40 for product’s liability. He is routinely listed as one of the National Trial lawyers “Top 40 under 40” and “Top 100 Trial Lawyers.” The Colorado Trial Lawyers’ Association also awarded Hardeman as the Case of the Year in 2019. Mr. Wool is a frequent lecturer on many of the cutting-edge topics in complex scientific and product liability cases including the interplay between regulatory agencies and tort suits, preemption, and complicated expert admissibility issues.
Mr. Wool is a graduate of Colorado College and Vanderbilt University Law School.