David C. Giardina

David C. Giardina is an attorney with extensive experience in intellectual property and antitrust litigation, primarily representing defendants. His practice has focused on all phases of litigation, with particular expertise in applying economic principles to legal disputes, including intellectual property valuation, class certification, and the analysis of anticompetitive behavior.

Giardina has a track record of defending significant technology, healthcare, and consumer products companies. All three tracked appearances for David C. Giardina were on the defendant side, underscoring his orientation towards defending corporate entities in complex patent infringement matters. These cases include Vision Works IP Corp. v. Mercedes-Benz USA, LLC et al., Uniloc USA, Inc. v. Electronic Arts Inc., and DataTreasury Corporation v. U.S. Bank et al.

Prior to his current role, Giardina was a Chambers-recognized partner in the Chicago office of Sidley Austin LLP, where his practice included intellectual property litigation and antitrust counseling. He also appeared as Of Counsel for Alston & Bird in one tracked patent litigation. Currently, David Giardina serves as Associate General Counsel – Competition & Compliance for Associated British Foods plc (ABF), where he is responsible for managing strategic litigation across North America.

While a partner at Sidley Austin, Giardina was recognized as a leading antitrust practitioner by publications such as Chambers USA and Global Competition Review's Who's Who Legal: Competition. He has substantial experience working with and cross-examining expert witnesses at trial. His professional profiles do not explicitly detail appearances in PTAB or IPR proceedings, nor do they list specific bar admissions or educational institutions.