Best Lawyers in Wisconsin, United States for Litigation - Patent

Joseph A. Kromholz is one of the founding shareholders of Ryan Kromholz & Manion, S.C., located in Brookfield, Wisconsin. The firm, which traces its roots back to 1873, was formed in 1998 and practices in all areas of intellectual property law including related litigation. Mr. Kromholz is registered to practice before the United States Patent and Trademark Office and admitted to practice in the United States District Court for the Eastern and Western Districts of Wisconsin and before seve...

James G. Morrow is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property, Litigation - Patent and Patent Law. James G., who practices law in Milwaukee, Wisconsin, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James G. is held by other top lawyers in the same geographic and legal practice area.

Michelle Umberger is a partner in the Patent Litigation and Intellectual Property Litigation practices. A registered patent attorney, she has focused her practice exclusively on intellectual property litigation for more than a decade. Michelle manages complex, high-stakes cases involving a wide range of technologies, including patents relating to microprocessors, medical devices, antibody libraries, genetically-engineered plants and mechanical devices. She represents both established internat...

Christopher Hanewicz is a partner in the Patent Litigation and Intellectual Property Litigation practices. He has been involved in complex intellectual property litigations concerning both biotechnology and mechanical patents. He has extensive patent litigation trial experience, as well as experience in the U.S. Court of Appeals for the Federal Circuit. While Christopher’s practice includes experience across all of the major patent litigation dockets (e.g., N.D. Cal., C.D. Cal., E.D. Te...

Allen C. Schlinsog, Jr. is a shareholder, chair of the firm's Litigation Practice and chair of the Product Liability and Safety Practice Group. His practice focuses on defense of the pharmaceutical and medical device industry. Al has represented drug and device companies in significant class actions, product liability and mass tort proceedings. He also regularly defends catastrophic injury cases involving a wide variety of products in highly regulated industries, including mining equipment, c...

David G. Hanson is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Litigation - ERISA, Litigation - Intellectual Property and Litigation - Patent. David G., who practices law in Milwaukee, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David G. is held by other top lawyers in the same geographic and legal practice area.

John M. Manion is one of the founding shareholders of Ryan Kromholz & Manion, S.C., located in Brookfield, Wisconsin. The firm, which traces its roots back to 1873, was formed in 1998 and practices in all areas of intellectual property law including patent, trademark, copyright and unfair competition law and related litigation. John is registered to practice before the United States Patent and Trademark Office and admitted to practice in the United States District Court for the Eastern an...

Scott W. Hansen is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Franchise Law, Litigation - Antitrust and Litigation - Patent. Scott W., who practices law in Milwaukee, Wisconsin, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott W. is held by other top lawyers in the same geographic and legal practice area.

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

Aaron Schindler is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation - Patent. Aaron, who practices law in Madison, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron is held by other top lawyers in the same geographic and legal practice area.

Kaitlin Dryden is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Kaitlin, who practices law in Madison, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kaitlin is held by other top lawyers in the same geographic and legal practice area.