Ballard Spahr's Dr. Kenneth Sonnenfeld Named to IAM Global Leaders 2025 List

Ballard Spahr Intellectual Property Partner Kenneth H. Sonnenfeld, Ph.D. has been named to the IAM Global Leaders 2025 list of distinguished patent attorneys worldwide.

Ken, who was included in the 2022, 2023, and 2024 IAM Global Leaders lists, has over three decades of experience as intellectual property counsel to biotechnology and pharmaceutical industry clients, ranging from domestic startups to multinational corporations and research institutions. He is a member of Ballard Spahr’s Patents and Intellectual Property Litigation practices and Life Sciences Industry Team.

To qualify for inclusion in IAM Global Leaders, individuals must be ranked in the gold tier of the IAM Patent 1000 directory, where Ken was recognized for litigation, patent prosecution, and transactions. From those candidates, IAM selects those who “merit special attention—not only because of their experience related to creating, protecting, managing, transacting, and enforcing critical patent rights, but also for their ability to innovate, inspire, and go above and beyond to deliver value for their clients.” For more information on the IAM Global Leaders criteria and for the full list of selectees, please see IAM’s website.

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