Winston Taylor has added John Thornburgh as a partner in its Antitrust & Competition Practice in Chicago, strengthening the firm’s capabilities in high-stakes antitrust litigation, investigations and merger clearance.
Thornburgh joins from the U.S. Department of Justice Antitrust Division, where he served as Assistant Chief of the Chicago Office.
He brings government and private practice experience spanning antitrust litigation, internal investigations and merger reviews in the U.S. and Europe.
At the DOJ, Thornburgh led and managed investigations and litigation involving mergers, Sherman Act Section 1 and Section 2 claims and Clayton Act Section 8 matters.
He played leading roles on trial teams handling merger and monopolization cases and also led the Chicago office’s newly established civil enforcement team focused on antitrust matters in the agriculture sector.
Before joining the DOJ, Thornburgh represented clients in major competition litigation and regulatory matters involving transportation, consumer packaged goods, grocery, communications, software, semiconductors, chemicals and pharmaceuticals.
Winston Taylor’s Antitrust & Competition Practice represents clients before authorities and courts including the DOJ, FTC, U.S. federal and state courts, European Commission, EU Member State regulators, U.K. Competition and Markets Authority and U.K. Competition Appeal Tribunal.
KEY QUOTES:
“I am extremely excited to join Winston Taylor’s talented antitrust team, including some former DOJ colleagues, and help build upon the great work the group is already doing. As antitrust issues become increasingly global and multifaceted, businesses need counsel who understand the rapidly evolving domestic and cross-border enforcement environment, and the Winston Taylor antitrust platform, particularly in litigation, is renowned and provides an ideal opportunity to help clients navigate these complex competition challenges.”
John Thornburgh, Partner at Winston Taylor
“John brings valuable experience from his leadership within the DOJ’s Antitrust Division. His perspective further enhances our ability to advise on complex matters that increasingly span multiple jurisdictions.”
Linda Coberly, Co-Chair of Winston Taylor’s Litigation Department
“John is an exceptional antitrust litigator with experience at the forefront of some of the country’s most consequential enforcement actions. His extensive background leading investigations, developing case strategy, and litigating high-profile antitrust matters will be a tremendous asset to our clients.”
Brett Johnson, Co-Chair of Winston Taylor’s Litigation Department
“The Midwest, particularly the state of Illinois, is a critical legal venue for antitrust enforcement. John’s experience shaping enforcement priorities in Chicago is a considerable asset to our antitrust bench and for our clients across industries.”
Bill O’Neil, Managing Partner of Winston Taylor’s Chicago Office
