Michael S. Tarringer


Practice Areas: Antitrust, Consumer Protection, Products Liability, and Pharmaceutical litigation

Michael S. Tarringer has over 20 years of class action and mass tort experience, and he has concentrated his law practice in the fields of Antitrust, Consumer Protection, Products Liability, and Pharmaceutical litigation.

Mr. Tarringer has served as a committee member in the following recent cases: In re: Xarelto Products Liab. Litig. (Phila. C.C.P. No. 2349) (Law & Briefing Committee); In re Xarelto Products Liab. Litig., MDL 2592 (E.D. La.) (Law & Briefing Committee); First Impressions Salon, Inc., et al, v. National Milk Producers Federation, et al. (Case No. 3:13-cv-00464-NJR-SCW) (Deposition Team). Other litigations that he currently works on include In re Testosterone Replacement Therapy Prods. Liab. Litig., (MDL No. 2545) (Discovery Team); In re: Proton Pump Inhibitor Prods. Liab. Litig. (II), (MDL No. 2789); and In re: Generic Pharmaceuticals Pricing Antitrust Litig., (MDL No. 2724).

Mr. Tarringer lectures at nationally recognized associations and organizations. Most recently, he spoke at the National Harris Martin MDL Conference on the Uber data breach litigation.

He is admitted to practice before the Supreme Court of Pennsylvania, the United States District Court for the Eastern District of Pennsylvania, and the United States Court of Appeals for the Third Circuit.

Prior to joining NastLaw, Mr. Tarringer played key roles in litigating other class actions to a successful resolution, including Walter Cwietniewicz, d/b/a Ellis Pharmacy, et al v. Aetna U.S. Healthcare, (Phila. C.C.P. No. 423) (successfully obtained class certification and settlement on behalf of over 2,000 Pennsylvania pharmacies who participated in U.S. Healthcare’s pharmacy capitation program); and In re Kaiser Group Int’l, Case No. 00-2263 (Bankr. D. Del.) (successfully resolved on behalf of shareholders of corporation acquired by Kaiser). See 326 B.R. 265 (D. Del. 2005) (awarding full recovery in stock) and 278 B.R. 58 (Bankr. D. Del. 2002) (certifying class proof of claim). He also served as a Federal Judicial Law Clerk to the Honorable Robert F. Kelly, in the United States District Court for the Eastern District of Pennsylvania.

Mr. Tarringer is a graduate of Villanova University School of Law (Juris Doctor, Dec. 1993), where he served as the first President of Villanova’s then newly-founded Family Law Society, and he has periodically served as a moot court judge and guest lecturer after graduating. He also is a summa cum laude graduate of Philadelphia University (Bachelor of Science, 1987), which is now a part of Thomas Jefferson University.