Peter T. Butler

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,...

A firm founder, visionary leader, and skilled litigator, Paul Slater handles high-stakes antitrust cases for private and public enterprises, including Fortune 500 companies. He pioneered the opt-out practice, representing companies as individual plaintiffs in industry-wide multidistrict antitrust litigation. This practice enables clients to tailor their claims and maximize their recoveries outside of class action proceedings, which often fail to meet individual client needs. Mr. Slater repres...

Craig Annunziata is the managing partner of the Chicago office and a partner in the Tampa office. He represents management in employment-related disputes. The majority of his practice is before federal and state courts and alternative dispute forums throughout the United States. He also defends management against charges filed with the U.S. Equal Employment Opportunity Commission (EEOC) and related state agencies. A significant portion of his practice is devoted to counseling management, prio...

Born and raised in the Chicagoland area, John grew up working in his family’s restaurant and then stayed local attending both Northwestern University (B.A.) and Notre Dame Law School (J.D.). As a first generation Greek American, John witnessed the difficulties that immigrants can experience while adapting to a new culture. He also experienced the importance of community in helping people to assimilate and understand how to become part of that new culture. He is fluent in Greek and has b...

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.

Martin (Marty) Tish offers strategic counsel regarding asset ownership and structure, retirement planning and charitable planning for business owners, executives, entrepreneurs, traders, charities, family offices and individuals. He has administered estates and trusts ranging in size from $500,000 to more than $100 million. Clients rely on his aptitude for minimizing their tax burdens combined with the tact and discretion he employs in managing the sensitive human concerns that often arise du...

Samuel K. Skinner has had a career in both the governmental and private sectors. As Of Counsel to the firm, he consults with clients in a variety of areas, including strategizing on complex litigation matters, state and federal regulatory matters, governmental matters, transportation issues, and corporate governance. Mr. Skinner is the retired Chairman, President and Chief Executive Officer of USF Corporation, one of the nation's leading transportation and logistics companies. During each yea...

Ryan Rohlfsen is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Ryan, 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 Ryan is held by other top lawyers in the same geographic and legal practice area.

Mindy Wolin Sherman is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Mindy Wolin, who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mindy Wolin is held by other top lawyers in the same geographic and legal practice area.

Ronald Dicerbo is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Ronald, 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 Ronald is held by other top lawyers in the same geographic and legal practice area.