
Josh advises entrepreneurs to help them build their businesses and complete successful fundraising transactions and exit events.
Josh’s practice focuses on representing founders and start-ups. He serves as outside corporate counsel to his clients, functioning as their general counsel throughout the lifecycle of their businesses to help them develop effective legal and business strategies, solve problems, and complete deals that advance their business goals. He regularly advises clients regarding company formation and early-stage legal issues, financings (including angel, venture capital. and strategic investments) and mergers and acquisitions.
Josh typically works with companies in the life sciences industry — drug development, devices, diagnostics and tools — and in the technology sector, including digital health, software, and technology-enabled services. He has helped numerous clients, including the following, to grow and thrive:
- Aquinnah Pharmaceuticals
- Asimov
- Axoft
- Bilayer Therapeutics
- Droplette
- Hopewell Therapeutics
- InGel Therapeutics
- MediSix Therapeutics
- NanoView Biosciences
- NextGen Jane
- New Equilibrium Biosciences
- PanTher Therapeutics
- Quaise Energy
- Stemloop
- Suono Bio
- Syntis Bio
- Teal Bio
- Verseau Therapeutics
In addition to counseling entrepreneurs and emerging companies, Josh represents investors, including venture capital firms and foundations, in the investments that they make. Notable investor-side clients include Lightstone Ventures and The Mark Foundation for Cancer Research.
He frequently speaks on topics related to entrepreneurship, financing, exit strategies, and best practices for businesses.
Josh also maintains an active pro bono practice, is involved in the firm’s hiring activities and is a lecturer at the Boston University School of Law, where he teaches a class on venture capital financings that he created.
viewpoints
Energy & Sustainability Client Feature — Quaise Energy, Inc.
September 6, 2022 | Article | By Joshua D. Fox
For Second Consecutive Year, Mintz, Mergermarket Publish Life Sciences M&A Report
June 10, 2021 | Article
BAND TOGETHER: Corporate & Cultural Convergence in Life Sciences M&A
June 24, 2020 | | By William Whelan, Joshua D. Fox
News & Press
Mintz To Support Life Sciences Start-Up Market Through Innovative Relationship With Nucleate Boston
February 20, 2023
Biotech Startups, VCs Seek Path Forward After A Bruising Year
January 12, 2023
Mintz Advises Bio Client Asimov in $200M Fundraising
January 10, 2023
Mintz Leads For Axoft In $8 Million Seed Round Demonstrating Continued Dedication To Biotech Start-Up Market
October 19, 2022
Mintz, Mergermarket Publish Life Sciences M&A Report
June 24, 2020
The article noted that “Osborn and Fox are the latest hires in Mintz’s growing corporate practice, which also had two notable hires in March. The Boston-based firm is enjoying record revenue and profit highs after four straight years of growth.”
Events & Speaking
Everything Life Sciences Companies Need to Know to Navigate the COVID-19 Pandemic
View the Webinar Recording

Recognition & Awards
- Chambers USA: Nationwide - Start Ups and Emerging Companies (2023)
- Boston Magazine: Top Lawyers – Corporate Law (2021)
- Conservation Law Foundation, Legal Food Hub: Distinguished Service Award (2019)
- The Legal 500 United States: Recommended for Finance: Capital Markets: Equity Offerings: Advice to Managers (2016)
- Boston Magazine: New England Super Lawyers Rising Stars (2008, 2010 – 2016)
- Boston Bar Association, Lawyers Committee for Civil Rights Under Law: Civil Rights Recognition Award (2010)
- Phi Beta Kappa
Involvement
- Past Member, Board of Visitors, D’Amore-McKim School of Business, Northeastern University
- Past President and Member, Board of Directors, Tufts Lawyers Association
- Past Mentor, BUILD
- Past Member, Leadership Council, Dana-Farber Cancer Institute
- Past Member, Alumni Council, Tufts University