Gregory N. Heinen

Senior Counsel


Gregory Heinen is a senior counsel and business litigation lawyer with Foley & Lardner LLP. He is a member of the firm’s Business Litigation & Dispute Resolution and Antitrust Practices. Gregory has broad experience working with clients to confront and resolve issues arising in the course of a variety of commercial litigation matters in state and federal courts around the country at every stage, from filing the complaint through trial and beyond. Gregory’s areas of focus include contract disputes, real estate matters, antitrust litigation and product liability litigation. In addition to many commercial disputes, Gregory has experience both conducting internal investigations and providing antitrust-related compliance counseling. Gregory has also represented clients in several appellate matters and has argued before the Seventh Circuit Court of Appeals.

During law school, Gregory was a summer associate in Foley’s Litigation Department. He also served as a law clerk in the U.S. Attorney’s Office for the Eastern District of Wisconsin, was an intern in Congressman Paul Ryan’s office and volunteered at the Milwaukee Courthouse Justice Center.


Gregory earned his law degree from the University of Virginia Law School (J.D., 2013), where he was on the managing board for the Journal of Law and Politics. Gregory was also executive vice president of the University of Virginia Chapter of the Federalist Society. He earned his bachelor’s degree in English from the University of Wisconsin – Milwaukee (B.A., cum laude, 2010).


Gregory received Best Lawyers: Ones to Watch recognition for Commercial Litigation (2021-2023) and Alternative Dispute Resolution (2021-2023).

Gregory was selected as a “Wisconsin Rising Star” for Commercial Litigation by Super Lawyers® magazine in 2018, 2019 and 2021.

Community Engagement

Gregory is a member of the board of directors of Hope Street Ministry, a Milwaukee nonprofit dedicated to helping individuals flourish by providing a safe and nurturing community in the midst of urban chaos.

Admissions and Professional Memberships

Gregory is admitted to practice in Wisconsin, the U.S. District Court for the Eastern and Western Districts of Wisconsin and the U.S. Court of Appeals for the Seventh Circuit. Gregory is also a member of the American Bar Association, the Milwaukee Bar Association and the Eastern District of Wisconsin Bar Association, as well as a 2018 graduate of the Thomas E. Fairchild American Inn of Court.