Kenneth L. Harris

Christopher Wilson, a partner in the firm's Litigation practice and managing partner of the Chicago office, represents clients in a variety of complex commercial litigation matters. He has represented a number of Fortune 500 companies in high stakes cases, including The Boeing Company in connection with shareholder derivative actions involving the Dreamliner 787, Microsoft Corporation in trade secrets and piracy matters, Amazon.com in qui tam actions arising under the Illinois Whistleblower A...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Matthew R. Carter is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Matthew R., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew R. is held by other top lawyers in the same geographic and legal practice area.

Michael D. Mulvihill is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael D., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey D. Muntz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jeffrey D., who practices law in St. Charles, Illinois, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey D. is held by other top lawyers in the same geographic and legal practice area.

Matt Regan is a partner in Kirkland's Chicago office. He has broad experience representing plaintiffs and defendants in a variety of commercial litigation matters in both state and federal courts. Matt's cases have involved claims in the areas of antitrust and trade regulation, accountant/auditor malpractice, class actions, products liability, software consulting, fraud and breach of contract, and other complex commercial disputes. The Legal 500 U.S. recognized Matt for his work in Energy Lit...

Pravin B. Rao is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Pravin B., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pravin B. is held by other top lawyers in the same geographic and legal practice area.

Jim Hitzeman focuses his practice on estate and trust litigation, representing a wide range of clients, including corporate fiduciaries and charities. He has handled will and trust contests, construction actions, trust reformations, citations, actions involving contracts to make a will, accounting actions, and charitable cy pres and equitable deviation matters, in addition to a host of cases involving breach of fiduciary duty. Mr. Hitzeman has extensive experience dealing with family settleme...

Peter M. Siavelis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Peter M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter M. is held by other top lawyers in the same geographic and legal practice area.

Joe Duffy is an accomplished and resourceful trial lawyer who focuses his national practice on white collar criminal defense and complex business litigation. He handles all aspects of federal and state criminal prosecutions through the investigative, prosecutive and appellate stages. He has extensive experience representing individuals and corporations in internal and government investigations as well as civil and criminal jury trials and appeals. Joe has successfully represented clients in c...