Valarie Hays

Lisa Mazur is co-chair of McDermott Will & Emery’s Digital Health practice and advises healthcare providers and technology companies on a variety of legal, regulatory and compliance matters. Read full biography: https://www.mwe.com/people/mazur-lisa/

Rob Drobnak has significant experience in the structuring, negotiating and documentation of credit facilities for acquisitions, working capital and other general corporate purposes. Rob’s strong acumen around the entire life-cycles of finance transactions, including the negotiation, structuring and documentation of deals from inception to close, during growth and workout phases and in sale, foreclosure and other exit scenarios, helps clients to successfully navigate unexpected obstacles...

Edward A. Mas II is a Shareholder at McAndrews, and has been described by his clients and peers as a “terrifically savvy litigator” who “routinely secures the best position for his clients.” As an advocate, he is “experienced, smart, aggressive, and effective.” For more than twenty years, Ed’s trial and appellate litigation practice has focused on complex patent and technology-related litigation. He has served as lead trial counsel in numerous patent ...

Seth is a partner in the firm’s Corporate & Securities practice group. Seth focuses his practice on representing large and middle market private equity and venture funds and privately and publicly owned companies in a wide variety of domestic and cross-border complex business transactions. These include mergers & acquisitions, divestitures, leveraged buyouts, venture capital investments, carve-out transactions, joint ventures, start-up financing, growth capital investments and c...

Richard L. Sevcik concentrates his practice in exempt organizations and health care law. He has extensive experience in the representation of public charities, tax-exempt health care systems, private foundations and charitable trusts. He is a member of the firm's Pro Bono Committee.

Paul M. Markese is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Paul M., 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 Paul M. is held by other top lawyers in the same geographic and legal practice area.

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...

Mark Hagedorn advises on a wide variety of intellectual property matters, including patent, trademark and copyright solicitation and IP litigation, licensing and counseling. Appreciated for his honesty and practical legal advice, Mark consistently delivers utilitarian solutions that help his clients resolve disputes and litigation efficiently and economically. Mark offers broad experience in virtually all phases of IP counseling and litigation. He understands and has represented clients invol...

Jason focuses on complex disputes and transactions relating to software and networking technologies. He works with a variety of businesses—from startups to Fortune 500 companies—to aggressively resolve intellectual property (IP) matters. He has litigated copyright infringement, trade secret misappropriation, patent infringement, trademark infringement, breach of contract, and related claims. Jason has also represented clients in disputes pertaining to ownership of IPv4 address blo...

A seasoned legal professional, Dave adeptly navigates the intricate landscape of global client services. His comprehensive approach to strategic corporate matters seamlessly integrates diverse practice areas to serve his clients. With more than three decades of experience, Dave has been at the forefront of shaping critical business deals. He collaborates closely with a diverse clientele, including medical device clients, life sciences and technology clients, and health care providers and heal...