Lewis J. Geffen: Lawyer with Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.

Lewis J. Geffen


Peer Rating
AV® Preeminent

Client Rating

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Experience & Credentials Ratings & Reviews

Practice Areas

  • Corporate & Securities
  • Venture Capital & Emerging Companies
  • Technology Transfer & Licensing
  • Private Equity
  • Mergers & Acquisitions
  • Start-Ups
  • Medical Technology
  • Life Sciences
  • Technology
  • Communications & Media
  • Energy Technology
  • Health Care
  • Financial Services
Contact InfoTelephone: 617.348.1834
Fax: 617-542-2241
University University of Massachusetts - Amherst, B.A.
Law SchoolHarvard University, J.D.
Admitted1988, New York; 1996, Massachusetts

Lewis is Co-chair of the firm's Venture Capital & Emerging Companies Practice, focusing primarily in the areas of venture capital, mergers and acquisitions, corporate law, intellectual property, and securities law.

He regularly represents technology-based companies, principally in the areas of biotechnology, biomedical, medtech, networking and communications, Internet, and software. His clients range in size from start-up ventures to large public companies. He routinely counsels these clients on their growth and development, advises their boards of directors and management, and assists them with a wide range of domestic and international transactions, including venture capital and other private financings, technology licensing, mergers and acquisitions, strategic alliances, and public offerings.

Lewis also regularly represents venture capital firms in both fundraising and portfolio investment activities and underwriters in public offerings and private placements of equity and debt securities.

Recognitions & Awards

•Recognized by The Legal 500 United States as “a well-known life sciences expert” for Venture Capital and Emerging Companies (2014)
•Recommended by The Legal 500 United States for Mergers, Acquisitions and Buyouts - Venture Capital and Emerging Companies (2013)
•Martindale-Hubbell AV Preeminent

• Twenty-Two Mintz Levin Attorneys and Seven Practice Areas Featured in 2015 Legal 500 United States Guide, (06.11.2015)
• Nineteen Mintz Levin Attorneys and Seven Practice Areas Featured in 2014 Legal 500 United States Guide, (07.24.2014)
• Eleven Mintz Levin Attorneys and Six Practice Areas Recommended by Legal 500 United States 2013, (06.18.2013)
• Mintz Levin Represents Paratek Pharmaceuticals, Inc. in $485M Licensing Agreement With Novartis, (10.14.2009)
•Quoted in Making Connections, Managing Risk in Startup Deals: A Visit to Boston Law Firm Mintz Levin, Xconomy.com (08.25.2009)

•Tax Incentive to Invest in Small Businesses Prior to Year End, Venture Capital & Emerging Companies Alert (11.01.2011)
•Co-author, Dodd-Frank Act Affects Private Placements by Raising the Bar for Individual Accredited Investors, Venture Capital & Emerging Companies Alert (07.26.2010)

Video Insights
Lewis Geffen looks at terms and practices of East and West Coast VC firms.

Speaking Engagements

• Panelist, Venture Capital Panel, Global Life Science Partnering Conference, BIOCOM, La Jolla, CA (02.27.2013)
• Moderator, Health Care Panel, Venture Capital Conference: Jumpstarting an Innovation Economy, MIT, Cambridge, MA (11.18.2011)


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Profile Visibility
#1,555 in weekly profile views out of 20,410 lawyers in Boston, Massachusetts
#112,851 in weekly profile views out of 1,740,929 total lawyers Overall

Office Information

Lewis J. Geffen

BostonMA 02111


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