Charles Lyon > Choate, Hall & Stewart > Boston, United States > Lawyer Profile

Choate, Hall & Stewart
BOSTON, MA 02110
United States


Dr. Charles Lyon, co-chair of Choate’s Intellectual Property Practice Group, provides strategic insight to investors and life sciences companies, both VC-backed and publicly-traded, to help them maximize the value of their investments in intellectual property by condensing complex data into actionable insights. Through hundreds of due diligence and intellectual property analysis projects, Charles has helped clients to understand, evaluate, and respond to IP issues that arise in the context of business transactions or during the research and development of new products and technologies. His insights have helped clients to identify “hot” areas in the life sciences landscape which have driven their strategic investment decisions – notably in the areas of immuno-oncology, gene therapy, gene editing, and cell therapy. He also routinely provides advice and opinions regarding freedom-to-operate and intellectual property landscape issues to assist with R&D decisions and in the context of pre-litigation disputes including Hatch-Waxman and Biosimilar litigation.

Charles has served investor clients including Bain Capital, Deerfield Management, 5AM Ventures, Third Rock Ventures, Venrock, Perceptive Advisors, and Broadview Ventures and life sciences companies including Takeda, Gilead, Biogen, GEMoaB, Editas Medicine, and Akouos.


Boston College Law School
JD, 2006
Postdoctoral Associate, 2000
Biophysical Chemistry
University of Oxford
DPhil, 1999
Biophysical Chemistry
University of Cambridge
BA, 1996, First Class Honors
Natural Sciences

Lawyer Rankings

United States > M&A/corporate and commercial > Venture capital and emerging companies

Choate, Hall & Stewart has an experienced investor-side practice that represents several highly active venture and private equity funds. The Boston-based firm has good credentials in a range of life sciences and technology-related sectors including big data and analytics, cloud computing, fintech, cybersecurity, health, robotics, and the internet of things. Fund clients, which include 5AM Ventures, Andreessen Horowitz and Vertical Venture Partners, also benefit from the firm’s transactional expertise, where ‘the team’s experience, responsiveness, flexibility, practical advice and collaborative nature are beyond compare‘. The ‘terrific‘ practice head Brian Goldsteinmakes the cross department interactions fairly seamless‘, particularly with key areas such as IP, where partner Charles Lyon is valued for his ‘ability to take complex science and distill it to allow us to make important business and IP decisions‘. Corporate partner Tobin Sullivan is also highly active in this space.

United States > Intellectual property > Patents: prosecution (including re-examination and post-grant proceedings)

Praised for being ‘very responsive, collaborative, and pleasant to work with’, Boston-based firm Choate, Hall & Stewart offers a solid patent prosecution practice, which is particularly well known for providing strategic patent counseling to life sciences clients, be it start-ups, venture-backed mid-size companies or large biopharma companies. Brenda Herschbach Jarrell and Charles Lyon share the lead of the team, which has a particular experience in matters related to financings, IPOs, product launches, or acquisitions, and also shows good capabilities when handling reexaminations and post-grant proceedings. Partners Kristen Buteau and Stephanie Schonewald are other names to note.