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 Practice Group, 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, through their acquisitions by other corporations. Learn more about Mr. Fox's practice and how he can support your startup on


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
  • Infinity Pharmaceuticals, Inc. in its public offering of common stock in December 2012
  • AVEO Pharmaceuticals, Inc. in its private placement of common stock in November 2010
  • AVEO Pharmaceuticals, Inc. in its private placement of common stock to Johnson & Johnson Development Corporation
  • 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
  • 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
  • Aegis Lightwave, Inc. in its acquisition of CardinalPoint Optics, Inc.
  • Aegis Lightwave, Inc. in its acquisition of AOFR Pty Limited
  • Imagitas, Inc. in its sale to Pitney Bowes Inc.

Venture Capital and Other Financings

  • Aquinnah Pharmaceuticals, Inc. 
  • Asimov Inc.
  • Hydra Biosciences, Inc.
  • Casa Systems, 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)
  • Aciex Therapeutics, Inc. (prior to its sale)
  • Aegis Lightwave, Inc. (prior to its sale)
  • Various other clients in angel, venture capital and strategic investment transactions

Honors & Awards

  • 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)


  • "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," Entrepreneurship@BU 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)
  • "Don't Overvalue Premoney Valuations on Term Sheets," Mass High Tech (March 2, 2007)
  • "Top Legal Mistakes Made by Founders of Early Stage Companies," MIT Enterprise Forum Focus (Winter 04/05)
  • "Early-stage Legal Errors," Mass High Tech, 2004 New England Technology Fast 50 Supplement (October 4, 2004)
  • "Implications of New Public Company Rules," Mass High Tech, 2003 New England Technology Fast 50 Supplement (September 22, 2003)
  • "Management Retention Plans Can Motivate in a Difficult Market," INDIA New England News (June 15, 2003)

Speaking Engagements

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

  • 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 Founders Workshops: Business Planning Basics – 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
  • Venture Capital Financings – 2016 Transaction Practice Conference – Boston University School of Law, March 1, 2016
  • Executive Compensation & Team Composition: Attracting and Retaining the Best and Brightest to Your Team – WilmerHale Webinar, October 29, 2015
  • Swedish-American Life Tech Forum – Swedish American Chamber of Commerce-New England, October 13-15, 2015  
  • 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 
  • Securities and Capital Markets – 2015 Transaction Practice Conference – Boston University School of Law, February 24, 2015 
  • One size does not fit all – Financing in the Health and Sciences Market – Harvard iLab, December 4, 2014
  • The Intersection of Business Law and Intellectual Property Law – Boston University School of Law, November 19, 2014 
  • Valuing Intellectual Property – Northeastern University School of Law, November 12, 2014 
  • Successfully Launching Your Startup – WilmerHale QuickLaunch University, October 21, 2014
  • Intellectual Property and Your Startup Company – Northeastern University IDEA Lab, January 30, 2014 
  • The Converging Deal Structure – WilmerHale Life Sciences Seminar: The Year in Review & A Look Ahead, October 8, 2013 
  • Positioning Your Startup For Success: Raising Capital – Healthbox, June 5, 2013 
  • The New Waves of Entrepreneurship – The Harvard Extension Business Conference, April 27, 2013
  • Planning Growth: The CEO Challenge – Next Stage Solutions Workshop Series for CEOs and Business Owners, March 13, 2013
  • Legal Careers in Startup and Venture Capital – Harvard Law Entrepreneurship Project, Harvard Law Business Association and the Office of Career Services, February 12, 2013
  • Intellectual Property and Your Startup Company – Northeastern University IDEA Lab, January 24, 2013
  • Legal Landmines: What to Know When Starting Your Startup – MIT Enterprise Forum Start Smart Series, January 15, 2013
  • Mass TLC unConference: Incubators: Are They Really Worth it for Entrepreneurs? – Mass Technology Leadership Council, November 2012
  • Term Sheet Negotiations: What Actually Matters, and How Do You Get It – Harvard iLab, November 12, 2012
  • Representing Private Companies: Trends in Venture Capital – MCLE's 30th Annual Business and Securities Law Conference, October 18, 2012
  • Positioning Your Startup for Success: Advice to Entrepreneurs Forming a Company – WeWork Labs New York, October 4, 2012
  • Positioning Your Startup For Success: Key Entity Formation and Employment/Immigration Issues – Cornell University's Entrepreneurship Seminar Series, September 2012
  • Legal and IP Issues for Startups – TiE Launchpad Workshop, June 2012
  • Preparing for an IPO: Is Now the Right Time to Consider? – New York Biotechnology Association 21st Annual Meeting, May 2012
  • Legal Issues for Startups: Equity Compensation – WeWork Labs New York, April 25, 2012
  • Mass TLC unConference: What Are VCS Doing Today? Trends in Venture Capital Investing – Mass Technology Leadership Council, October 2011
  • Entrepreneur Round Table: The Idea and The Pitch – MassMEDIC, November 2010
  • Representing Private Companies in 2010: Trends in Venture Capital and M&A – MCLE's 28th Annual Business and Securities Law Conference, October 2010
  • Leveraging the Crowd: New Business Models for the New Internet – MIT Enterprise Forum, October 2010
  • Legal Issues for Startups: What Every Entrepreneur Should Know – WilmerHale Event, April 2010
  • Get Smart: Raising Money For Early-Stage Companies: Alternatives for Entrepreneurs in a Down Economy – MIT Get Smart Series, November 2008
  • Representing the Private Company – MCLE's 26th Annual Business and Securities Law Conference, October 2008

Publications & News


July 6, 2017

WilmerHale Represents Aileron Therapeutics in IPO

Aileron Therapeutics, Inc., a clinical-stage biopharmaceutical company developing a novel class of therapeutics called stapled peptides for cancers and other diseases, announced the pricing of its initial public offering.

June 9, 2017

The Legal 500 United States 2017 Recognizes 125 WilmerHale Lawyers Across 28 Practice Areas

The Legal 500 United States has released its 2017 rankings, recommending 125 WilmerHale lawyers—including 12 who are named to its elite “Leading Lawyers” list and two on its “Next Generation Lawyers” list—and 28 practice areas in its 11th edition.

April 25, 2017

WilmerHale Counsels Aquinnah Pharmaceuticals in $10M Investment From Pfizer and AbbVie

Aquinnah Pharmaceuticals announced that Pfizer Inc. and AbbVie Inc. have invested in their work to treat Amyotrophic Lateral Sclerosis, Alzheimer's disease and other neurodegenerative diseases.

September 22, 2016

Matchmaker, Matchmaker, Find Me A Lawyer

Partner Josh Fox is quoted by To Market in this September 2016 article discussing Legal Food Hub's initiative to pair farmers and food entrepreneurs with volunteer attorneys.

August 10, 2016

WilmerHale Advises Orbitera in Acquisition by Google

The Google Cloud Platform team shares Orbitera's vision for seamless purchase and deployment of IT services across heterogeneous cloud infrastructure.

June 22, 2016

The Legal 500 United States 2016 Recognizes 111 WilmerHale Lawyers Across 30 Practice Areas

The guide's rankings are based on a series of criteria, including client feedback, interviews with private practice lawyers, and its own research.

February 21, 2014

WilmerHale Again Named Among Boston’s Most Admired Law Firms

For the second consecutive year, the Boston Business Journal honored WilmerHale as a "Most Admired Law Firm" in the Boston area.

September 27, 2013

Law360 Names WilmerHale Pro Bono Firm of the Year for Second Consecutive Year

For the second consecutive year, Law360 selected WilmerHale to its "Pro Bono Firms of the Year" list for notable successes.

November 1, 2012

Mistakes Made By Founders of Start-Up Companies: Advice To Entrepreneurs

An article by Joshua Fox, published in the November 2012 Entrepreneurship@BU Newsletter.

June 5, 2012

Founders Stock, Part 1

An article by Joshua Fox and Inga Goldbard, published by NYC Tech Connect and the EIR for NYC's blog.

Professional Activities

  • WilmerHale's Hiring Committee, Member
  • WilmerHale's Pro Bono and Community Service Committee, Member
  • WilmerHale's Boston Office Summer Program, Co-Chair
  • Life Sciences Alliance of the Greater Boston Chamber of Commerce, Member
  • Northeastern University D'Amore-McKim School of Business Board of Visitors, Member

Community Involvement

  • 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


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JD, Harvard Law School, 2001

BA, Political Science, summa cum laude, Tufts University, 1998, Phi Beta Kappa

Bar Admissions


New York

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