Robert F. Messerly

Partner James M. Quigley is widely regarded as a highly-esteemed and experienced Illinois Divorce/Family Law attorney and litigator. Mr. Quigley has successfully tried complex financial, custody, removal and other contested cases in Cook, Lake, DuPage, and other counties throughout the state of Illinois, since 1992. Quigley attended and graduated from the University of Wisconsin–Madison, obtaining a Bachelor of Arts degree in Journalism in 1989. James originally hoped to combine his lov...

Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...

Charles W. Mulaney, Jr. focuses on mergers and acquisitions (friendly and hostile), corporate governance and corporate financings. He counsels clients on a broad range of securities and corporate matters, including disclosure issues, the duties of directors and shareholder activism. Mr. Mulaney represents special committees of directors in transactions and internal investigations. He also advises major investment banks on acquisition and financing matters and has represented issuers and under...

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.

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

Michael Carrillo advises individuals and businesses on patent, trademark, copyright and trade secret matters, as well as on foreign and domestic patent and trademark protection. Michael navigates clients through and beyond developing, managing and policing small and large IP portfolios, creating practical strategies that leverage his clients’ assets while safeguarding their bottom line. A member of the firm’s Management Committee, Michael is listed among The Best Lawyers in Americ...

Nader Boulos concentrates his practice on the preparation and trial of complex commercial cases involving a wide range of substantive issues, including insurance coverage, commercial litigation, environmental torts and product liability. He has served as lead counsel in significant actions in state and federal courts across the country, representing clients in diverse industries including aerospace, manufacturing, telecommunications, energy, consumer products and pharmaceuticals. In the insur...

Daniel K. Ryan is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA and Litigation - Insurance. Daniel K., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel K. is held by other top lawyers in the same geographic and legal practice area.

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.

Phillip L. Durham is a top attorney recognized by Best Lawyers in the practice area(s) of Aviation Law. Phillip L., 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 Phillip L. is held by other top lawyers in the same geographic and legal practice area.