Brian P. Kerwin

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.

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...

Arthur Yuan is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Arthur, 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 Arthur is held by other top lawyers in the same geographic and legal practice area.

Donald L. Mrozek is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Donald L., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donald L. is held by other top lawyers in the same geographic and legal practice area.

Amy Van Gelder is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Amy, 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 Amy is held by other top lawyers in the same geographic and legal practice area.

Dan Boho has a national trial and mediation practice with verdicts in Illinois, California, New York, New Jersey and Pennsylvania and appearances as pro hac vice counsel in 18 states. Mr. Boho, State Chair of the prestigious American College of Trial Lawyers and Fellow of the International Academy of Trial Lawyers (600 top trial lawyers from the US and 30 other countries), handles high-profile, media-intensive matters. He served as General Counsel of the 22,000 member Chicago Bar Association,...

Peter S. Coorlas is a senior associate of the Chicago law firm Peck Ritchey, LLC . Peter was an Assistant State’s Attorney for Cook County for 30 years, serving in the Special Litigation and Municipal Litigation Sections of the Civil Actions Bureau. Although Peter served in various areas while at the State’s Attorneys Office, he has primarily represented the interests of Cook County in probate matters, spending much of his time on contested litigation, including will contests, con...

Melissa A. Siebert is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Melissa A., 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 Melissa A. is held by other top lawyers in the same geographic and legal practice area.

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...

Patrick J. Arnold, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Patent Law and Trademark Law. Patrick J., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick J. is held by other top lawyers in the same geographic and legal practice area.