Brian Stolzenbach

Mr. Kilyk practices exclusively in the field of intellectual property law, especially patent law. Mr. Kilyk specializes in patent post-grant review proceedings, inter partes reexaminations, interferences, and oppositions, as well as legal opinions, prosecution, and litigation matters, with specific concentration in the areas of biotechnology, chemistry, and pharmaceuticals. Recent technologies with which he has been involved include biosimilars, new chemical compounds, nucleic acid sequences,...

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

As a seasoned litigator with the added benefit of in-house experience, Maile takes pride in her in-depth understanding of her clients and their businesses so she can anticipate their needs, their pain points, and the internal and external pressures they face. With nearly 30 years of experience litigating and counseling clients in all types of commercial litigation, Maile is meticulous, responsive, tough, and strategic. Since joining Barack Ferrazzano, Maile has represented clients in commerci...

Jacob M. Mattinson is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jacob M., 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 Jacob M. is held by other top lawyers in the same geographic and legal practice area.

Amy M. Gordon is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Amy M., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy M. is held by other top lawyers in the same geographic and legal practice area.

Michael A. Haber is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Michael A., who practices law in Highland Park, Illinois, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael A. is held by other top lawyers in the same geographic and legal practice area.

Rachel Cantor’s practice focuses on the tax aspects of complex business transactions including domestic and cross-border mergers, acquisitions, and leveraged buyouts, as well as joint ventures, recapitalizations and debt and equity restructurings.Rachel has worked on numerous private equity, LBO and merger and acquisition transactions ranging from several million dollars to several billion dollars for clients including: Madison Dearborn Partners, Audax Group, Wind Point Partners, Levine...

When middle-market businesses or PE firms structure mergers, acquisitions, dispositions, spinoffs and management compensation agreements, their leaders call Saul Rudo. While Saul leads teams to efficiently and effectively get to closings, he focuses on the future as much as the present, designing deals that keep his clients in optimal after-tax positions for years to come. As the lead attorney on his matters, Saul offers his clients direct access to his structuring and "market" advice, withou...

Jonathan P. Froemel, a partner in the Chicago office of Barnes & Thornburg, is a member of the firm's Intellectual Property and Litigation Departments. Jonathan's intellectual property practice focuses on trademark prosecution and trademark, copyright and patent litigation, trademark prosecution and licensing. His litigation practice includes general commercial, construction, environmental, and real estate disputes. Jonathan represents clients in actions across the United States and has l...

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...