Profile
Glenn Kerner has deep experience in products liability law, particularly with respect to complex mass torts and multi-district litigation (MDL). Glenn has played a major role in some of the most notable mass torts and MDLs over the past 25 years. He also frequently litigates consumer class actions, individual cases, and acts as lead trial counsel in cases across multiple industries and jurisdictions. He represents clients in matters involving pharmaceuticals and medical devices, food and dietary supplements, emerging technologies, cannabis, and other consumer products.
Glenn regularly serves as lead counsel and has been appointed as liaison counsel in various mass tort litigations and MDLs. Most recently, Glenn has served as national counsel for a large generic pharmaceutical company in nearly 500 cases involving the cardiac drug amiodarone in Northern California, and throughout the country. He has also served as national counsel in numerous mass torts and MDLs including those involving ceramic hip devices, alendronate, metoclopramide, natural rubber latex gloves, orthopedic bone screws, pamidronate, propofol, PPA, semiconductor clean rooms, the diet drug fen-phen and ephedra. He works closely with a national network of medical, scientific, regulatory, and industry experts in preparation for trials and Daubert hearings.
Additionally, Glenn has experience in complex commercial litigation, antitrust, real estate litigation, and other civil litigation.
In addition to his litigation practice, Glenn provides strategic counseling to clients on litigation avoidance, litigation preparedness, and risk assessment. He also advises clients on labeling and warnings issues, including regulatory compliance.
Recognized as a thought leader in mass torts, pharmaceutical and medical device litigation, and other consumer products related law, Glenn is a frequent speaker on emerging issues on these topics. More recently, he was the co-author of “Introduction to Biosimilars and Labeling Issues” in For the Defense, a contributor to “Guide to Biosimilars Litigation and Regulation in the U.S.,” published by Thomas Reuters, and he wrote “Mobile Medical Apps: Understanding and Defending Against Product Liability Challenges” for DRI’s Rx For the Defense. In addition, Glenn has presented during multiple conferences and workshops including for the American Bar Association (ABA), the Defense Research Institute (DRI), and the American Conference Institute (ACI).
Concentrations
- Products liability law
- Complex mass torts and multi-district litigation (MDL)
- Consumer class actions
- Pharmaceuticals and medical devices
The attorney is providing legal services through and affiliated with Greenberg Traurig, LLP, a New York Limited Liability Partnership. Prior results do not guarantee a similar outcome.
Capabilities
Experience
- Served as national counsel for a large generic pharmaceutical company in nearly 500 amiodarone cases in a JCCP in Northern California, and throughout the country.
- Served as national counsel and trial counsel for pharmaceutical company in mass tort relating to Hepatitis-C outbreak at the Southern Nevada Endoscopy Clinic.°
- Lead counsel in litigation concerning alleged malfunction of intraocular lens.
- Served as lead counsel for large medical device company in IVC filter case.
- Regional counsel and trial counsel for medical device company in mass tort involving natural rubber latex gloves.°
- National counsel for large generic pharmaceutical company in litigation concerning alleged injuries caused by generic Fosamax®.
- Served as National Counsel for consumer product kitchenware company in its product liability matters.°
- Served as lead counsel for large generic pharmaceutical company successfully defending claims alleging manufacturing defect in injectable product.
- Represented dietary supplement company in nationwide litigation including MDL alleging injuries from ephedra containing products.°
- Trial counsel for international elevator company in product liability matter.°
- National counsel for large generic pharmaceutical company in litigation concerning alleged injuries caused by generic Zometa®.°
- Advised biotherapeutics company on risk assessment in connection with a $600M transaction.°
- Advised private equity company in connection with risk associated with potential acquisition of consumer product company.°
- National counsel and science counsel for large generic pharmaceutical company in diet drug MDL and individual cases nationwide.°
°The above representations were handled by Mr. Kerner prior to his joining Greenberg Traurig, LLP.
Recognition & Leadership
- Team Member, BTI’s Most Recommended Law Firms, Big Pharma, 2025
- Listed, Benchmark Litigation, “Litigation Star – Product Liability,” 2021-2025
- Team Member, a Law360 “Product Liability Practice Group of the Year,” 2021-2022
- Listed, Chambers USA, “Nationwide: Product Liability & Mass Torts,” 2015-2024
- Listed, The Legal 500, 2012-2024
- Listed, Best Lawyers in America, 2018-2025
- Mass Tort Litigation / Class Action – Defendants, 2018-2025
- "Lawyer of the Year," Mass Tort Litigation / Class Action – Defendants, New York City, 2023 and 2025
- Product Liability Litigation - Defendants, 2018-2025
- Mass Tort Litigation / Class Action – Defendants, 2018-2025
- Listed, Super Lawyers magazine, New York Metro Super Lawyers, 2009-2012, 2014-2024
A description of the selection methodology for the above awards can be found here. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.
- Member, New York City Bar Association Professional Responsibility Committee
- Member, Personal Care Products Council (PCPC)
- Member, Defense Research Institute, 1995-2021
- Member, Steering Committee, Drug and Medical Device Committee, 2015-2021
- Past Chair, Products Liability Committee Food Law Special Litigation Group
- Past Chair, Class Action and Mass Tort Special Litigation Group
Credentials
-
J.D., Fordham University School of Law, 1987
- Member, International Law Journal
- B.A., Cornell University, 1984
- New Jersey
- New York
- U.S. District Court for the District of New Jersey
- U.S. District Court for the Eastern District of New York
- U.S. District Court for the Northern District of New York
- U.S. District Court for the Southern District of New York
- U.S. District Court for the Western District of New York
- U.S. District Court for the Western District of Texas
- U.S. District Court for the Western District of Wisconsin
- U.S. Court of Appeals for the Second Circuit
- U.S. Court of Appeals for the Third Circuit
- U.S. Court of Appeals for the Fourth Circuit
- U.S. Court of Appeals for the Sixth Circuit
- U.S. Court of Appeals for the Ninth Circuit