Melissa's sharp strategies and business acumen help clients resolve complex litigation and tackle their toughest antitrust issues.
Melissa focuses her practice on antitrust and competition law. She has significant experience handling class action and large multidistrict litigations, and advises clients on antitrust compliance, mergers and acquisitions, and investigations by the U.S. Department of Justice and the Federal Trade Commission. Melissa has also served as in-house counsel at a multinational, publicly traded health solutions company, where she handled enterprise-risk litigation and represented the company as a third party in antitrust investigations and litigation. Melissa's time in-house helps her provide actionable, business-minded advice to her clients and strengthened her experience in the payor and PBM sectors of the health care system.
Representative matters may include engagements before joining Troutman Pepper.
Firm Events
12.13.23
Annual Antitrust CLE Event – 2023
Articles + Publications
09.12.23
Third Circuit Holds Rule of Reason Appropriate for Review of Hybrid Horizontal and Vertical Conspiracy
Firm News
01.24.23
'Top-Flight' Health Care Litigator Melissa Hatch O'Donnell Returns to Troutman Pepper as Partner