Peter Sullivan

Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission. He has also argued for his clients before the U.S. Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board. His appellate arguments include a successful argument in front of ...

William (Bill) J. Butler focuses his practice on estate planning and probate administration matters. Bill counsels family groups and individuals on all aspects of wealth transfer planning, with an emphasis on formulating estate plans that maximize and protect wealth while minimizing transfer taxes. Bill is the global head of McDermott’s Private Client Group and is a member of the Firm’s Management Committee. Bill represents many large, multigenerational family groups, and also adv...

Corey E. Light is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Corey E., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corey E. is held by other top lawyers in the same geographic and legal practice area.

Recognized for his national reputation and success as a child advocate, Dov Apfel has investigated and litigated birth trauma and obstetrical malpractice claims involving children with cerebral palsy and other neurological and intellectual disabilities throughout the United States for over forty years. Those in the legal profession who have worked with Mr. Apfel consider him to be the premier “lawyer’s lawyer” in the area of birth trauma litigation. When families and lawyers...

John is a nationally recognized banking attorney who advises financial institutions on regulatory, governance, and investigative matters. He regularly provides focused training sessions to boards and management on a wide range of legal and risk management topics. Working at the forefront of banking law and regulation, John is a thought leader in the field, primarily through teaching, writing, and frequent media interviews. As the Regulatory Section Leader of Barack Ferrazzano’s Financia...

Amy Van Gelder is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Amy, 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 Amy is held by other top lawyers in the same geographic and legal practice area.

Richard T. Ruzich is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Richard T., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard T. is held by other top lawyers in the same geographic and legal practice area.

Dan McGuire concentrates his practice in the insolvency, bankruptcy, and business reorganization fields. He represents debtors, creditors' committees, private equity funds, banks, and other financial institutions and investors in all aspects of insolvency work, including Chapter 11 cases, out-of-court restructurings, debtor-in-possession (DIP) financing, structuring transactions involving insolvency issues, cross-border insolvencies, and the acquisition and divestiture of assets of bankrupt o...

Nancy Rich provides practical guidance to clients confronting environmental legal issues, whether they arise in litigation, transactions or regulatory matters. A former environmental prosecutor with the Illinois Attorney General's Office, Nancy has a detailed understanding of environmental agencies and the laws they enforce. She regularly advises corporate, real estate and financial services clients. Nancy's experience as an environmental prosecutor gives her an insider's understanding of how...

Matthew Steinmetz focuses primarily on leveraged buyouts of public and private companies, as well as recaps and joint ventures. His experience spans a wide variety of sectors, including technology, media, healthcare, industrials and retail. His principal clients include both large cap and middle cap leveraged buyout funds, located in the U.S. and abroad. In addition to his considerable transactional work, he is a trusted advisor to a number of senior PE fund managers.