Janet M. Johnson

Richard L. Sevcik concentrates his practice in exempt organizations and health care law. He has extensive experience in the representation of public charities, tax-exempt health care systems, private foundations and charitable trusts. He is a member of the firm's Pro Bono Committee.

After two years as a law clerk at Cooney & Conway, Lawrence (Larry) Robert Weisler joined the firm as an associate in 2004. Receiving his B.S. from Michigan State University, Mr. Weisler graduated with a J.D. from John Marshall Law School. Mr. Weisler’s practice includes a wide variety of civil trial matters concentrated in asbestos litigation, product liability, premise liability, and personal injury. Since joining the firm, Mr. Weisler has obtained settlements in over 100 mesothel...

Peter E. Pederson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. Peter E., 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 Peter E. is held by other top lawyers in the same geographic and legal practice area.

Steve Feldman is the head of Hahn Loeser’s Intellectual Property Practice Area, the Partner-in-Charge of the firm’s Chicago office and a member of the firm’s Board of Directors. His practice encompasses complex intellectual property litigation, prosecution, licensing, and counseling involving patents, trade secrets, trademarks and unfair competition, copyrights, data privacy and security, and NIL (Name, Image, and Likeness) compliance, policies, and rights. Steve also regula...

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

James H. Whalen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. James H., 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 James H. is held by other top lawyers in the same geographic and legal practice area.

Michael T. Egan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael T., 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 Michael T. is held by other top lawyers in the same geographic and legal practice area.

John Gatz is a patent attorney who concentrates his practice on patent prosecution, patent counseling and patent litigation. John has extensive experience in the life sciences and manufacturing industries. My focus Patent Prosecution/Counseling I prosecute patents and counsel clients in a number of mechanical- and chemical-related technologies including: biomechanical devices, chemical products and processes, sensor-dispensing instruments, analyte meters, test sensors, non-invasive processes,...

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

Jeffrey Sheffield concentrates his practice in the areas of tax planning, mergers, acquisitions, and spin-offs, with a particular focus on complex tax planning for publicly traded companies and consolidated groups. Jeff is past Chairman of the Planning Committee for the University of Chicago Federal Tax Institute, and has been listed as a Tier One attorney by Chambers USA. In the 2006–2017 editions of Chambers Global, The World's Leading Lawyers for Business, Jeff is recognized as a lea...