Joshua D. Fox

Joshua Fox is a leading corporate attorney representing companies in various stages of their lifecycle, from startups to established corporations, with particular emphasis on life sciences and other emerging technology companies, including software, internet and hardware companies. Since joining the firm in 2001, Mr. Fox has counseled numerous entrepreneurs and companies, from prior to the formation of a business entity through an exit event, and regularly advises clients on seed-stage, venture capital, strategic and other financings. He also advises clients in various other transactions, including mergers and acquisitions and public offerings.

Mr. Fox provides advice to companies with respect to incorporation and startup, angel and venture capital financings, mergers and acquisitions, public offerings, securities law compliance and general corporate matters. As a member of the Emerging Company and Venture Capital Practice, Mr. Fox focuses on the representation of early-stage companies, counseling entrepreneurs on the formation of their businesses and serving as counsel to those businesses, including in their initial public offerings and their acquisitions by other corporations. Learn more about Mr. Fox's practice and how he can support your startup on

Community Involvement

  • BUILD, Mentor
  • Dana-Farber Cancer Institute Leadership Council, Member 
  • Tufts University Alumni Council, Executive Committee Member
  • Tufts Lawyers Association Board of Directors, Past Member
  • Tufts Lawyers Association, Past President

Professional Activities

  • Boston University School of Law, Lecturer
  • WilmerHale's Hiring Committee, Member
  • WilmerHale's Pro Bono and Community Service Committee, Member
  • WilmerHale's Boston Office Summer Program, Co-Chair (Past)
  • Northeastern University D'Amore-McKim School of Business Board of Visitors, Member


  • "Standardized Term Sheets May Not Protect Your Interests," Law360 (April 6, 2018)
  • "When to Let Your Competitors Be Your Investors," VentureBeat (September 16, 2017)
  • "Startup M&A: Why a Letter of Intent Deserves Your Full Attention," Xconomy (June 28, 2016)
  • "Five Things You Should Know About Founder Stock Vesting," WilmerHale Launch Blog (October 5, 2015)
  • "When Should Your Biosciences Startup Use an NDA?" NYC Tech Connect and the EIR for NYC Blog (November 13, 2012)
  • "Mistakes Made By Founders of Startup Companies: Advice To Entrepreneurs," [email protected] Newsletter (November 2012)
  • "Founders Stock, Part 1," NYC Tech Connect and the EIR for NYC blog (June 5, 2012)
  • "When Should My Bioscience Startup Move Out of the Academic Lab?" NYC Tech Connect and the EIR for NYC blog (March 13, 2012)
  • "When Should I Incorporate My Bioscience Startup?" NYC Tech Connect and the EIR for NYC blog (February 1, 2012)
  • "Attorneys' View: Tips On Bringing In VC funds," Mass High Tech (May 1, 2009)
  • "Convertible Debt Financing Is A Key Fund-Raising Tool," Boston Business Journal, Banking/Financial Services Quarterly (September 12- 18, 2008)
  • "Don't Overvalue Pre-Money Valuations," TieCon East Conference Publication (June 2007)

Speaking Engagements

Mr. Fox is a frequent guest lecturer on a variety of topics.

  • Life Sciences Investment & Market Insights Panel – ArcPoint Strategy, June 6, 2018
  • Starting a Company: Key Issues to Consider – Boston Bar Association, May 9, 2018
  • Your First Financing: Planning for a Successful Fundraising – ELabNYC Webinar, March 28, 2018
  • First Round Investments in Bioscience Ventures – Accelerator for Biosciences Connecticut Roundtable, March 22, 2018
  • The Path to Partnership Part II – ELabNYC Alumni Event – Alexandria LaunchLabs, January 31, 2018
  • Financings: What Entrepreneurs Need to Know – Harvard University – Venture Capital Course, December 7, 2017
  • Financing Your Startup – Tufts University – Entrepreneurial Finance, November 13, 2017
  • Financings: What Entrepreneurs Need to Know – Harvard University – Private Equity Course, July 25, 2017
  • Hiring Your First Employees and Advisors and Letting Them Go When Necessary – WilmerHale QuickLaunch University Webinar, July 20, 2017
  • Building the Legal Infrastructure – Tufts Entrepreneurial Leadership Program – Tufts University, March 4, 2017
  • Venture Capital in Asia – Harvard Business School – 2017 Asia Business Conference, March 4, 2017
  • Financing a Startup – Broad Institute of MIT and Harvard – Biomedical Entrepreneurship Course, January 26, 2017
  • Best Practices for Building a Board of Directors and Board of Advisors – WilmerHale QuickLaunch University: Successfully Launching Your Startup, September 13, 2016
  • Entrepreneurship, Investment and the Greater Good – 2016 Harvard Law Entrepreneurship Project Conference – Harvard Law School, April 9, 2016
  • Knowing Your Exits – Harvard iLab, August 12, 2015  
  • Financing Deal Structures and Term Sheets: Advice to Entrepreneurs – Healthbox, April 16, 2015
  • Launch Smart Clinic – MIT Enterprise Forum, April 2, 2015
  • One size does not fit all – Financing in the Health and Sciences Market – Harvard iLab, December 4, 2014
  • Intellectual Property and Your Startup Company – Northeastern University IDEA Lab, January 30, 2014


  • Public Offerings and PIPE Transactions

    • Aileron Therapeutics, Inc. in its initial public offering
    • ConforMIS, Inc. in its initial public offering
    • Karyopharm Therapeutics Inc. in its initial public offering
    • AVEO Pharmaceuticals, Inc. in its initial public offering and multiple private placements of its common stock as a public company
    • Infinity Pharmaceuticals, Inc. in its public offering of common stock in December 2012
    • Alnylam Pharmaceuticals, Inc. in its initial public offering
  • Mergers and Acquisitions

    • Orbitera, Inc. in its sale to Google
    • Aciex Therapeutics, Inc. in its sale to Nicox S.A.
    • Aegis Lightwave, Inc. in its sale to II-VI Incorporated, and its previous acquisitions of CardinalPoint Optics, Inc. and AOFR Pty Limited
    • Infinity Pharmaceuticals, Inc. in its reverse merger with Discovery Partners International, Inc.
    • SkyPhrase in its sale to Yahoo
    • AccuRev in its sale to Micro Focus
    • Axiom Global Inc. in its acquisition of LawyerLink
  • Venture Capital and Other Financings

    • NanoView Biosciences, Inc.
    • Suono Bio, Inc.
    • Aquinnah Pharmaceuticals, Inc.
    • Asimov Inc.
    • Hydra Biosciences, Inc.
    • Karyopharm Therapeutics Inc. (prior to it becoming a public company)
    • AVEO Pharmaceuticals, Inc. (prior to it becoming a public company)
    • Infinity Pharmaceuticals, Inc. (prior to it becoming a public company)
    • Casa Systems, Inc. (prior to it becoming a public company)
    • Aciex Therapeutics, Inc. (prior to its sale)
    • Aegis Lightwave, Inc. (prior to its sale)


  • Recommended in the 2016 edition of The Legal 500 United States for finance: capital markets: equity offerings: advice to managers
  • Named a "New England Super Lawyers Rising Star" in corporate law in the 2008, 2010-2016 issues of Boston Magazine
  • Civil Rights Recognition Award Recipient from the Lawyers' Committee for Civil Rights Under Law of the Boston Bar Association (2010)

Insights & News


  • Education

    • JD, Harvard Law School, 2001

    • BA, Political Science, Tufts University, 1998

      summa cum laude Phi Beta Kappa
  • Admissions

    • Massachusetts

    • New York