Caroline Bullerjahn, a partner in Goodwin’s Securities Litigation & White Collar Defense practice and a leader of the firm’s Life Sciences Disputes group, focuses her securities litigation practice on class action and derivative litigation defense, SEC, and other government, regulatory and internal investigations, fiduciary duty claims, corporate governance matters, and shareholder disputes, M&A-related litigation and post-closing disputes, and SPAC litigation. She is a member of the firm’s Partnership Committee.

Ms. Bullerjahn is recognized by The Legal 500 U.S. for her securities litigation practice, and has been recognized as a Massachusetts Super Lawyer “Rising Star” for her representation of both private and publicly traded corporations, primarily in the life sciences, biotechnology, medical device, healthcare and technology industries, and their officers and directors in such securities litigation matters. In addition, she advises clients and their boards of directors on disclosure-related issues and litigation risk mitigation measures.





Ms. Bullerjahn’s recent representative matters include:

  • Represented public healthcare services company in merger litigation in the U.S. District Court for the District of Massachusetts following announcement of a $5 billion go private transaction, successfully convincing plaintiffs not to file threatened preliminary injunction motion, allowing the deal to close on time, and subsequently convincing plaintiffs to voluntarily dismiss their complaints.
  • Represented public life sciences client in connection with threatened merger litigation in connection with the acquisition of client by global pharmaceutical company in a $1 billion strategic transaction, successfully convincing the stockholder to drop threatened claims prior to filing, allowing the deal to close on time.
  • Represented public technology company client in merger litigation in Delaware Chancery Court following the announcement of its $240 million acquisition by AOL, Inc., successfully defeating the plaintiff’s motion for a preliminary injunction and attempt to appeal on an emergency basis to the Delaware Supreme Court, allowing the deal to close on time.
  • Represented French public pharmaceutical company in an arbitration before a big four accounting firm in a post-closing working capital dispute, resolving the matter favorably.
  • Represented former directors and officers of closely held Massachusetts corporation in a derivative action alleging breach of fiduciary duty claims concerning alleged excessive compensation in connection with sale transaction, winning summary judgment in Massachusetts Superior Court and subsequent appeal before the Massachusetts Appeals Court.
  • Represented public medical diagnostic products company and its board of directors and senior management in securities class action in the U.S. District Court for the District of Massachusetts alleging violations of the Securities Act of 1933 concerning a $730 million secondary offering, successfully obtaining dismissal with prejudice.
  • Represented audit committee of public software company in an internal investigation and subsequent SEC inquiry concerning side agreements allegedly entered into by sales employees in Europe and Asia and potential revenue recognition issues, successfully convincing the SEC not to pursue investigation or other enforcement measures.
  • Represented managing director of valuation firm in formal investigation by the SEC concerning a public company’s valuation of certain intangible assets and intellectual property rights in connection with two acquisitions, resolving the matter favorably with no SEC action.
  • Represented CEO of public software company for several years in formal investigation by the SEC regarding stock option practices, resolving the matter favorably with no SEC action.
  • Represented special committee of the board of trustees of a mutual fund in derivative demand investigation concerning the collapse of the fund.
  • Pro bono representation of the One Fund Boston, Inc., a charitable organization formed to benefit those most affected by the Boston Marathon bombings and related events, and Project Citizenship, a non-profit pro bono organization that helps green card holders to obtain U.S. citizenship.
Professional Activities

Ms. Bullerjahn is a member of the Boston and American Bar Associations. She is also an active member of Goodwin’s Women’s Initiative, organizing networking events for women in Boston.

Professional Experience

Prior to joining Goodwin, Ms. Bullerjahn was an associate in the Litigation Department at Willkie Farr & Gallagher LLP in New York. While in law school, she served as an extern to The Honorable Ronald A. Guzman of the Northern District of Illinois, and also worked at the U.S. Attorney’s Office for the Northern District of Illinois. Prior to law school, from 1998 to 2000, Ms. Bullerjahn was a paralegal specialist in the Antitrust Division of the U.S. Department of Justice in Washington, D.C., where she worked on the Department’s United States v. Microsoft trial team.


Ms Bullerjahn was honored by Massachusetts Lawyers Weekly as a “Top Women of Law,” in recognition of being an exceptional female lawyer who is a pioneer, educator, trailblazer and role model throughout the state of Massachusetts.

Ms. Bullerjahn is recommended by The Legal 500 U.S. for her securities litigation practice. The National Law Journal has recognized Ms. Bullerjahn as a 2015 Boston “Rising Star” and from 2009 to 2011, Ms. Bullerjahn was recognized as a Massachusetts Super Lawyer “Rising Star” in securities litigation by Boston Magazine.

While in law school, Ms. Bullerjahn was a senior articles editor for Northwestern University’s Journal of Criminal Law and Criminology, for which she wrote “United States v. Oakland Cannabis Buyers’ Cooperative: What Ever Happened to Federalism?,” 93 J. Crim. L. & Criminology 121 (2002).

In The News









JD, 2003
Northwestern University
BA, 1998
University of Pennsylvania

(magna cum laude)



New York


U.S. District Court for the District of Massachusetts
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