Larry C. Guess - McDermott Will & Emery


Larry C. Guess maintains a general health industry practice, focusing on transactional and regulatory matters. He focuses on representing private equity firms and platform companies, hospitals, health systems and life science companies. Larry has experience with a variety of transactions, including mergers, acquisitions, affiliation and product licensing arrangements. He also provides guidance on regulatory issues such as licensure, corporate practice of medicine, dentistry, physical and speech therapy, and compliance with Stark Law and the Anti-Kickback Statute.

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  • Assisted counsel on a $1.3 billion international co-develop and commercialization life sciences licensing agreement
  • Assisted counsel on the $500 million leveraged acquisition of a health system covering multiple states by a for-profit joint venture
  • Assisted counsel on the acquisition of a fertility laboratory on behalf of a private equity-backed platform company

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  • The Best Lawyers: Ones to Watch in America, Healthcare Law, Chicago, 2022 to 2024


  • American Health Lawyers Association
  • Illinois Association of Healthcare Attorneys
  • American Bar Association
  • Chicago Bar Association


Northwestern University School of Law, JD, 2013
Northwestern University J.L. Kellogg School of Management, MBA, 2010
Northwestern University, BS, 1997