Steven B. Chaiken

Jamie A. Weyeneth is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jamie A., 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 Jamie A. is held by other top lawyers in the same geographic and legal practice area.

Janet Garetto is a partner in the IP group. Her practice spans the firm’s Trademarks & Copyrights, Patents and IP Litigation practice groups. Janet counsels clients on IP issues facing their brands. In addition, she counsels clients on patent protection and litigation prevention issues with a focus on chemical and mechanical technologies. Janet also serves as the Managing Partner of Nixon Peabody’s Chicago office. What do you focus on? I focus my practice on three main areas, ...

Jared Staver is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Jared, 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 Jared is held by other top lawyers in the same geographic and legal practice area.

Christopher D. Wehrman is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Christopher D., who practices law in Bannockburn, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher D. is held by other top lawyers in the same geographic and legal practice area.

Jennifer T. Nijman is a founding partner of the environmental firm Nijman·Franzetti LLP with wide ranging experience in litigation defense and enforcement issues as well as issues involving waste and contaminated property. She was formerly a partner and chair of the environmental practice group at the Chicago office of a national law firm. Ms. Nijman represents clients in environmental litigation and enforcement defense, including toxic tort claims, private party disputes, and actions ...

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...

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

Ross Emmerman is a broad-based transactional lawyer focusing on domestic and cross-border middle- market mergers and acquisitions, venture capital, and other financings and joint venture arrangements. He counsels public and private companies, family offices, and other buyers and sellers of businesses on structuring and negotiating complex business transactions, including purchases and sales of distressed businesses, executive compensation and general corporate matters. Ross also regularly rep...

Tom is a Shareholder and Chairs the Patents and Intellectual Property Sections. An experienced attorney most active in patent prosecution, portfolio management and providing opinions of counsel, Tom drafts and prosecutes U.S. and foreign patent applications; renders non-infringement, validity, patentability and inventorship opinions; drafts and interprets license, indemnification, employment and non-complete agreements; prepares and prosecutes trademark and copyright registrations; and counse...

Fredric P. Andes is a partner in the Chicago and Washington, D.C., offices of Barnes & Thornburg and the leader of the firm's water team. Fred is involved in counseling and litigation on issues arising under various federal and state environmental laws, with a special emphasis on Clean Water Act matters. Fred is also advising trade associations, industries, and municipalities on TMDLs, permits, and other water quality matters on the state and federal levels, including development of water...