Marc H. Edelson, Esq. | Philadelphia Area Attorney
Edelson Lechtzin LLC

Marc H. Edelson, Esq.



Marc H. Edelson is a founding partner of Edelson Lechtzin LLP, and leads the firm's practices in the areas of antitrust law, defective drugs & medical devices, and property insurance litigation. Mr. Edelson received his J.D. from the University of California, Los Angeles School of Law, in 1987 and his B.S. in Economics from the Wharton School of The University of Pennsylvania, cum laude in 1984. He has practiced class action litigation for over 29 years and has been appointed to leadership roles in many MDL cases including several involving the pharmaceutical industry.

Mr. Edelson’s MDL experience in pharmaceutical cases includes an appointment by Judge Patti Saris in In re Pharmaceutical Industry Average Wholesale Price Litigation, MDL No. 1456 as one of the four lead counsel firms. Mr. Edelson was one of the first attorneys to initiate a series of class actions on behalf of end payors against numerous pharmaceutical defendants which were eventually consolidated into MDL 1456. The case involved an in depth analysis of pharmaceutical pricing and resulted in numerous settlements totaling $341,000,000.

Additionally, Mr. Edelson served as co-lead counsel in New England Carpenters Health Benefit Fund v. First DataBank, Inc. and McKesson Corp., C.A. No. 05-11148 (D. Mass) and District 37 Health and Securities Fund v. Medi-Span, C.A. No. 07-10988 (D. Mass). This case was against pharmaceutical wholesaler McKesson Corporation and pharmaceutical publishers First DataBank and Medi-Span. The case focused on unlawful drug pricing markups of various drugs resulting in overpayments by end payors. The case settled for $350,000,000 in addition to an agreement to roll back drug prices by five percent (5%) resulting in additional end payor cost savings totaling hundreds of millions of dollars.

Mr. Edelson has also served as co-lead counsel in additional pharmaceutical cases including In re Ciprofloxacin Hydrochloride Antitrust Litigation, MDL 1383 (EDNY), Sandhaus v. Bayer AG, et al., Case No. 00-cv-6193 (Kansas State Court), In re Premarin Antitrust Litigation, Case No. 1:01-cv-00447 (SD Ohio), and Blevins v. Wyeth Ayerst Laboratories, Inc., Case No. 324380 (Superior Court State of California).

Mr. Edelson was appointed one of the co-lead counsel in In re Western States Wholesale Natural Gas Antitrust Litigation, MDL 1566 (D Nevada) and In re HELOC Minimum Payment Calculation Litigation, Case No. 15-cv-00267 (EDPA).

Mr. Edelson has served as a member of the Executive Committee in In re Copper Antitrust Litigation, MDL 1301 (WD Wisc), In re Certainteed Corp. Roofing Shingle Product Litigation, MDL 1817 (EDPA), and In re HP Inkjet Printer Litigation, Case No. C053580JF (ND Cal, San Jose Div.).

Mr. Edelson has also served as lead or co-lead counsel in numerous state court class actions involving consumer fraud and defective products.

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Marc Edelson Class Action Attorney


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