Sarah Kerr Severson

Kevin represents his clients in all aspects of patent law, including due diligence investigations for mergers and acquisitions, patent counseling and prosecution, strategic management of patent portfolios, and opinion preparation, focusing his practice primarily on the biotechnological, pharmaceutical, and medical device industries. Kevin’s work encompasses a broad spectrum of technologies, including therapeutics such as cellular therapies, gene therapies, vaccines, large molecules (bio...

Steven H. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Steven H., who practices law in Bannockburn, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven H. is held by other top lawyers in the same geographic and legal practice area.

Justine Young Gottshall is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Justine Young, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justine Young is held by other top lawyers in the same geographic and legal practice area.

Chuck is a pragmatic, solution-oriented real estate attorney whose clients rely upon to handle their most complex and high-priority transactions. He is analytical, strategic, and creative. Chuck is a skilled negotiator, with a deep understanding of his clients’ goals and the experience and business acumen necessary to help them achieve those goals. As a partner in Barack Ferrazzano’s Real Estate Group, Chuck’s practice focuses primarily on real estate finance, and the acquis...

Kerrin Slattery is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Chicago office. Kerrin is the partner-in-charge of the Health Industry Advisory practice in Chicago. Kerrin maintains a general health industry practice, focusing on the representation of hospitals and health systems and other health industry providers and investors. She has significant experience in all aspects of health law transactions, including mergers, acquisitions, affiliatio...

Alan R. Greenfield is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Alan R., 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 Alan R. is held by other top lawyers in the same geographic and legal practice area.

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Dean E. Parker is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Dean E., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dean E. is held by other top lawyers in the same geographic and legal practice area.

As a founding partner of Barack Ferrazzano, Peter brings his personal success and experience in business to his corporate law practice. Peter’s clients appreciate his deep understanding of them and their businesses and industries, and view Peter as a trusted business adviser as well as their go to legal counsel to get deals done. Peter is a Senior Partner in the firm’s Corporate & Securities and Luxury groups. His practice focuses on corporate and securities law with an emphas...

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.