John Duffy
About John Duffy
John Duffy is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2022. John Duffy is recognized in the following practice area:
- Chicago, Illinois
- Legal Malpractice Law - Defendants
Current Firm: Swanson, Martin & Bell LLP
Education: Loyola University Chicago, J.D., graduated 1994
Location: Chicago, IL
Nearby Lawyers
Bill provides strategic counsel to numerous clients regarding the development, protection and monetization of sophisticated global intellectual property portfolios. His practice includes a wide array of intellectual property matters with a particular emphasis portfolio management and long-term portfolio strategy development, management of defense and enforcement actions, infringement and clearance analyses, technology agreements, licenses and transfers, and strategic guidance on significant c...
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.
Justin Winerman is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Justin, who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justin is held by other top lawyers in the same geographic and legal practice area.
Troy A. Groetken, Shareholder Email. tgroetken@mcandrews-ip.com Tel. (312) 775-8259 Practice Areas: Global Intellectual Property Portfolio Analysis, Counseling & Management; Complex Chemical, Small-molecule Pharmaceutical, and Biotechnological Patent Prosecution; Intellectual Property Acquisition, Divestiture, and Licensing; Clearance, Freedom to Operate & Invalidity Opinions; Trademark Prosecution; Antitrust; Intellectual Property Landscaping Education: Drake University, College of P...
Corey E. Light is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Corey E., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corey E. is held by other top lawyers in the same geographic and legal practice area.
Neville Reid is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Neville, 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 Neville is held by other top lawyers in the same geographic and legal practice area.
Christopher V. Carani is a Shareholder at McAndrews and has been at the firm since 1995. He practices in all areas of intellectual property law with a particular emphasis on design law. Chris has extensive experience litigating design patent cases, including representations before U.S. district courts, the Federal Circuit, the U.S. Supreme Court and the International Trade Commission. In 2019, Chris was named to the IAM Strategy 300: The World’s Leading IP Strategists list, with IAM mag...
Marc R. Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marc R., who practices law in Bannockburn, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc R. is held by other top lawyers in the same geographic and legal practice area.
Valentina Famparska concentrates her practice on the federal income tax aspects of complex business transactions and entities, including mergers, acquisitions, leveraged buyouts, private equity investments, formation of private equity and real estate funds, formation of joint ventures and partnerships, and management compensation. Valentina also works with the firm's health care practice, sports and sports facilities practices, financial services practice and the trusts & estates practice...
Sandy brings a unique perspective combining his legal and business experience to assist his clients in viewing legal issues outside the box. Sandy’s clients appreciate his practical approach to counseling and structuring transactions and relationships to both prevent and solve problems in a manner that leads them to realize their strategic and operational goals. Sandy’s international background and experience have made him especially valuable to international clients looking to se...
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