Jason L. Kropp


Kropp, Jason L.

Jason Kropp is a partner in the Corporate Practice Group. He practices corporate and securities law, with an emphasis on public offerings and public company representation, and representation of venture-backed companies and venture capital investors. Mr. Kropp has successfully represented clients in a variety of complex transactions and has built a substantial practice working with local, national and international clients, advising start-ups and venture-backed companies, venture capital funds, underwriters, mature public companies and buyers and sellers in mergers and acquisitions.


A significant portion of Mr. Kropp's practice consists of counseling public companies on ongoing corporate legal matters, including federal securities reporting requirements and corporate governance issues. He represents issuers and underwriters in capital markets financings. His public offering experience includes initial public offerings, follow-on equity offerings and convertible debt offerings. Mr. Kropp also advises early stage private companies on formation and financing issues and equity and compensation matters. His venture capital experience includes representing investors and issuers in initial- and late-stage venture capital financings. In addition, Mr. Kropp represents public and private companies in mergers and acquisitions, including acquisitions of both public and private companies by public companies and financial buyers. Learn more about Mr. Kropp’s practice and how he can support your startup on

Prior to attending law school, Mr. Kropp worked as a legislative and press aide in the office of United States Representative William Delahunt, and as a legislative intern in the office of United States Representative Gerry Studds.

Honors & Awards

  • He is recognized as an up-and-coming attorney in the 2015 edition of Chambers USA: America's Leading Lawyers for Business in the Corporate/M&A area, with sources describing him as "really phenomenal in the corporate and securities area" and saying "he has a great temperament, he's a great negotiator and he keeps his cool in situations."
  • Recognized as a 2014 Boston Rising Star by The National Law Journal, a list honoring 40 outstanding lawyers age 40 or under who "have accomplished big feats" and are also "improving their communities" 
  • Named to M&A Advisor’s 2014 "40 Under 40" list
  • Named a 2013, 2014 and 2015 "Massachusetts Super Lawyers' Rising Star" in the area of business/corporate
  • Recognized as a 2011 "Up & Coming Lawyer" by Massachusetts Lawyers Weekly

Publications & News


May 19, 2015

WilmerHale Practices, Lawyers Ranked Among Nation’s Best by Chambers USA

Chambers USA: America's Leading Lawyers for Business announced its final rankings for the 2015 edition, with WilmerHale ranking among the nation's best in 46 practice area categories. Chambers also ranked 86 WilmerHale attorneys as leaders in their respective fields.

September 8, 2014

Jason Kropp Named a Boston Rising Star by The National Law Journal

The National Law Journal has named Partner Jason L. Kropp to its 2014 Boston Rising Stars, a list honoring 40 outstanding lawyers age of 40 or under who "have accomplished big feats" and "also are improving their communities by volunteering their sharp legal skills to a variety of nonprofit organizations."

June 11, 2014

Attorneys and Staff Participate in Best Buddies Challenge

On May 31, a group of attorneys and staff from the Boston and Waltham offices took on the Best Buddies Challenge, biking distances of up to 100 miles from Boston to Hyannis Port on Cape Cod.

May 6, 2014

Jason Kropp Honored Among M&A Advisor’s 40 Under 40

Partner Jason Kropp has been named to M&A Advisor’s 2014 “40 Under 40” list, a global recognition honoring leading dealmakers, legal advisors and others in the mergers and acquisitions, financing and turnaround markets.

March 25, 2014

2014 IPO Report

Our 2014 IPO Report offers a detailed analysis of, and outlook for, the IPO market. The report features regional breakdowns; useful IPO market metrics; an update on the pros, cons and recent rates of adoption of various elements of JOBS Act relief available to emerging growth companies; and a look at the expanded role CEOs now must play in the IPO process.

September 11, 2013

Three WilmerHale Startup Clients Launch Crowdfunding Campaigns

Last week, three of WilmerHale’s clients—Dash Robotics, Rest Devices and Technical Machine—each launched its own crowdfunding campaign. “This is a very exciting time for each of these companies,” said Mick Bain, co-chair of WilmerHale Emerging Company Group.

May 30, 2013

WilmerHale Team Places First in Lawyers Have Heart Boston 5K for Second Consecutive Year

On May 28, a team of WilmerHale lawyers and staff participated in the 6th Annual Lawyers Have Heart 5K Road Race and Summer Celebration and placed first for the second consecutive year.

March 22, 2012

Kiva Systems Agrees to be Acquired by for $775 million in Cash

January 3, 2012

WilmerHale Announces the Elevation of Partners and Special Counsel

June 1, 2011

Jason Kropp Honored as "Up & Coming Lawyer" by Massachusetts Lawyers Weekly

Recent Highlights

Representation of:

  • A global institutional investor in a $1.2 billion preferred stock financing of Uber Technologies 
  • A global institutional investor in a $112 million preferred stock financing of One Kings Lane
  • A global institutional investors in an investment in Payoneer
  • Karyopharm in its $114 million follow-on public offering of common stock
  • Epizyme in its $150 million follow-on public offering of common stock
  • Demandware in its $73 million follow-on public offering of common stock
  • Endurance International Group in its $252 million initial public offering and $189 million and $264 million follow-on offerings 
  • Kiva Systems in its $775 million acquisition by
  • General Catalyst in sale of portfolio company Locu to GoDaddy
  • ABRY Partners in its acquisition of NSM Insurance
  • NSM Insurance in its sale to American International Group, Inc. 
  • Link Medicine in its sale of neuroscience assets to AstraZeneca
  • InfoMedics in its sale to Physicians Interactive 
  • Ameresco, Accretive Health, LogMeIn, Cynosure and Eyetech Pharmaceuticals in their initial public offerings
  • Millennium Pharmaceuticals in its $8.8 billion acquisition by Takeda Pharmaceuticals
  • EqualLogic in “dual track” IPO/sale, resulting in $1.4 billion acquisition by Dell—then the largest cash purchase price in history for a private VC-backed company
  • General Catalyst Partners, Novartis Venture Fund, Matrix Partners, New Leaf Venture Partners, Sofinnova Ventures and various other financial and strategic investors in numerous private placement financings
  • Deutsche Bank Securities as lead underwriter in the initial public offering of Targacept, Inc.
  • Amdocs Limited, LIN TV Corp. and Lincare Holdings in 144A offerings of convertible notes
  • Morgan Stanley as lead underwriter in follow-on public offering of common stock by Barrier Therapeutics, Inc.
  • Lucent Technologies Inc. in its acquisition of assets of Riverstone Networks, Inc.; DoubleClick in its acquisition by Hellman & Friedman; Amdocs Limited in its acquisitions of Qpass Inc. and DSTInnovis from DST Systems, Inc.
  • Jebbit, Freight Farms, myLINGO, Rest Devices, Corvia Medical, Fractyl Laboratories, Ember Therapeutics, Blackwave, Intercept Pharmaceuticals, Link Medicine, Partsearch Technologies, Evident Software, and other private companies in various venture capital financings

Community Involvement

Mr. Kropp represents pro bono client,, an online environmental news and opinion magazine. He is also a member of the Board of Visitors of the Walnut Hill School in Natick, Massachusetts and a member of the Board of Directors of the March of Dimes, Massachusetts Chapter and Coaching4Change, whose innovative model creates opportunities for high school students to improve their math, literacy and leadership skills by turning them into coaches and teachers of younger kids.


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JD, Boston College Law School

BA, The George Washington University

Bar Admissions


New York