Gary R. Polega

Daniel Schwartz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Daniel, 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 Daniel is held by other top lawyers in the same geographic and legal practice area.

Sherry L. Rollo counsels clients in all areas of intellectual property, including the protection, licensing, and enforcement of intellectual property rights, data privacy, and data security both domestically and internationally. Sherry also guides clients with corporate strategies relating to the prosecution, merger, licensing, sale, or acquisition of intellectual property assets, including conducting due diligence, counseling on business strategies, and managing patent, trademark, copyright,...

Tom represents clients in patent and trademark prosecution, intellectual property litigation, and post-grant patent challenges before the Patent Trial and Appeal Board (PTAB). Tom has a broad base of experience in various technological and business areas, particularly in pharmaceutical, biotechnology, chemical and medical device inventions. He drafts invalidity opinions, investigates freedom to operate, counsels on strategic portfolio management, and conducts due diligence investigations prio...

Catherine (Cate) A. Battin represents clients in state and local tax controversies at the audit, administrative and judicial levels in numerous jurisdictions. She provides national state tax strategies for clients on a full range of state tax issues, including income tax apportionment, nexus, combination and sales tax characterization of products and services. She has defended numerous internet sellers in cases brought under the Illinois False Claims Act alleging fraudulent failures to collec...

Paul T. Fox focuses his practice in commercial litigation for more than 30 years. He regularly represents litigants in federal and state courts at both the trial and appellate level, as well as before arbitration panels, mediators and other alternative dispute resolution forums. An experienced trial lawyer, Paul typically tries cases every year. He has been a member of the Trial Bar for the United States District Court in Chicago for the past 20 years. He also teaches trial advocacy at Northw...

Steven L. Brenneman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Steven L., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven L. is held by other top lawyers in the same geographic and legal practice area.

Robert B. Ellis P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Robert B., 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 Robert B. is held by other top lawyers in the same geographic and legal practice area.

Rich brings 30 years of commercial real estate experience to understanding each client’s objectives and achieving them proactively and efficiently. Clients routinely seek Rich’s market knowledge and depend on him to handle their largest transactions, as well as their day-to-day real estate deals. Rich represents large real estate investors and lenders, as well as technology companies, in projects located across the country. As a co-chair of Barack Ferrazzano’s nationally pro...

Arthur Yuan is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Arthur, 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 Arthur is held by other top lawyers in the same geographic and legal practice area.

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...