Philip P. "Phil" Piecuch

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

Robert J. Cooney, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Robert J., 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 Robert J. is held by other top lawyers in the same geographic and legal practice area.

Richard M. Horwood has devoted his practice to business and financial planning, including business law, taxation and estate planning. His extensive experience has allowed him to develop the resources that make him an acknowledged authority in these areas. He advises business owners, non-profit organizations, donors and collectors on a variety of complex planning issues. He advises art collectors regarding key issues such as authentication/provenance, collection management, tax matters, dispos...

Gregory E. Ostfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Gregory E., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory E. is held by other top lawyers in the same geographic and legal practice area.

Mercedes Badia-Tavas provides legal and business guidance to clients on a broad range of immigration law cases, with focus on Fortune 500 and small companies alike. Mercedes supports her firm’s offices and clients across various states on immigration employment transfers and up-to-date compliance. As an immigrant herself, Mercedes finds particular fulfillment in helping companies and individuals immigrate to the United States and participate in the American dream through startups and bu...

Javier H. Rubinstein is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration - Commercial and International Arbitration - Governmental. Javier H., who practices law in Chicago, Illinois, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Javier H. is held by other top lawyers in the same geographic and legal practice area.

Domingo Such is a partner in the firm's Personal Planning practice. He focuses his practice on financial, estate and tax planning matters as they relate to ownership in various forms. This area of focus provides him with particularly broad legal perspectives in counseling family-owned and/or privately held businesses, as well as the family members and owners involved in these businesses. He represents wealthy families and individuals concerning significant and complex estates and trusts, advi...

Kathryn Siegel is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Kathryn, 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 Kathryn is held by other top lawyers in the same geographic and legal practice area.

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...

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