Partner, Antitrust

Mr. Di Vincenzo’s antitrust and competition law practice focuses on representing clients in government reviews of mergers and acquisitions, antitrust investigations and litigation.

He has served as lead antitrust counsel for Fortune 100 public companies, and private equity sponsors and their portfolio companies, in dozens of antitrust matters before enforcement authorities in the United States (including the DOJ and FTC) and internationally. He has represented and counseled clients in some of the most significant antitrust M&A matters in recent history, including AT&T’s acquisition of Time Warner (where the parties defeated a DOJ challenge after a preliminary injunction trial), Williams’ merger with Energy Transfer, and Roche’s acquisition of Spark Therapeutics. His other notable representations include Berkshire Hathaway Energy, Walmart, Schlumberger, Kimberly-Clark, Southern Company, United Therapeutics and Intel.

Mr. Di Vincenzo also has extensive experience defending clients in antitrust litigation, and counsels clients on regulatory and compliance issues arising under the Sherman Act, the Clayton Act, the Robinson-Patman Act, and the Hart-Scott-Rodino (HSR) Act. His clients represent a range of industries, including energy, defense, tech, advertising, insurance, retail, gaming, aviation, chemicals, consulting, entertainment, pharmaceuticals, medical devices, manufacturing, transportation, media, telecommunications, software, semiconductors, agriculture, wood products and consumer products.