John Duffy

David S. Sattelberger is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David S., 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 S. is held by other top lawyers in the same geographic and legal practice area.

Michael Reagan is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Bet-the-Company Litigation. Michael, who practices law in Ottawa, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Michael Anderson-Colon is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

David J. Rashid joined Salvi, Schostok & Pritchard P.C. in 2023, focusing on catastrophic personal injury, medical negligence, and wrongful death cases. He has expertise in medical malpractice cases involving misdiagnosis, surgical errors, birth injuries, emergency room errors, and strokes. In his first trial with the firm, he secured a $32.7 million jury verdict for a man who underwent a foot amputation due to a delayed blood clot diagnosis, the largest Illinois verdict for such a loss. ...

Lisa Mazur is co-chair of McDermott Will & Emery’s Digital Health practice and advises healthcare providers and technology companies on a variety of legal, regulatory and compliance matters. Read full biography: https://www.mwe.com/people/mazur-lisa/

Michael P. Chu focuses his practice on all aspects of patent law, including complex litigation, opinions and prosecution. He serves as the Local IP Litigation Practice Group Leader in McDermott’s Chicago office. Mike is also the Chair of the Firm’s Racial & Ethnic Diversity Committee. Read full biography: https://www.mwe.com/people/chu-michael-p/

Leslie Smith is a litigation partner and was a long-time member of the Firm’s Global Management Committee. She concentrates her practice in the areas of antitrust, class action, and consumer fraud litigation. The Legal 500 stated that Leslie has a ‘good strategic approach’, ‘demonstrates personal commitment to the company’s cause’ and ‘acquires and deploys the best firm talent appropriately’. Leslie is highlighted as “2017 Life Science Sta...

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

R. David Donoghue is a trial attorney and the deputy practice group leader of Holland & Knight's Intellectual Property Group, focusing his almost 15 years of experience upon intellectual property litigation and particularly upon patent disputes. Mr. Donoghue's most recent trial experience includes a jury verdict finding of willfulness, a full trebling of damages and a full award of attorney's fees in the Northern District of Illinois. Mr. Donoghue has also been chosen as lead trial counse...

Timothy R. Conway is a founding partner of Conway & Mrowiec. He is currently of counsel to Conway & Mrowiec Attorneys LLLP, a four-lawyer Chicago firm which represents all participants in the construction process: contractors, design/builders, engineers, construction managers, trade contractors, architects, owners and sureties. Mr. Conway is a veteran of numerous arbitrations, trials, and mediations. He has represented builders on a wide variety of construction projects, both public a...