Sara Bussiere 

Special Counsel – New York
T.+1 212 504 6255
200 Liberty Street
New York, NY 10281 V-CARD

Sara Bussiere is a special counsel in Cadwalader’s Global Litigation Group. She represents public and private companies, underwriters, lenders, professional services firms and their partners, corporate directors and other individuals in a variety of industries, including financial services, professional services, insurance, and pharmaceuticals. Sara represents these clients in securities, derivative, and ERISA class actions, SEC, FINRA and stock exchange investigations and arbitrations, internal investigations, suits claiming breaches of fiduciary duty or other misconduct by corporate directors, substantial financial instrument and other contract disputes, bankruptcy-related proceedings, and litigation arising from M&A or other transactions involving changes in or contests for corporate control in Delaware Chancery Court and elsewhere.  She has represented clients in the United States district courts, including the District of Delaware, Southern District of New York, and District of Colorado.

Prior to joining Cadwalader, Sara practiced at a Delaware corporate boutique representing clients in the Delaware Court of Chancery, Delaware Superior Court Complex Commercial Litigation Division and the United States District Court for the District of Delaware. She counseled clients concerning the General Corporation Law of the State of Delaware and Delaware’s alternative entity statutes, and handled other complex commercial matters.

Sara is an Executive Editor of the ABA’s Business Law Today publication, and Deputy Editor for Cadwalader Climate. She is also a member of the Pro Bono Advisory Council of the New York Lawyers for the Public Interest, Inc.

Sara is recognized in the 2024 edition of Chambers USA for Securities Litigation. She was also included in the first two annual editions (2021 and 2022) of The Best Lawyers in America: Ones to Watch in recognition of her work in Commercial Litigation. In 2018 and 2019, Super Lawyers recognized Sara as a Delaware Rising Star for her business/corporate work. In 2019, Sara was also selected for and graduated from the distinguished Federal Trial Practice Seminar sponsored by the U.S. District Court for the District of Delaware. 

Sara earned her J.D. from the Pennsylvania State University Dickinson School of Law, where she served as Admissions Editor of the Journal of Law and International Affairs. She graduated from Lafayette College with a B.A. in Government and Law, with honors, in 2009. She also served as captain of Lafayette’s varsity softball team. Sara is admitted to practice in New York, Delaware and Pennsylvania.

  • A global commercial and investment bank in litigation in a securities class action in New York State Supreme Court brought on behalf of Viacom stockholders and arising out of the failure of the Archegos hedge fund.
  • A global insurance company in an arbitration commenced by former owners of companies it acquired related to the adequacy of post-closing loss reserves.
  • A private global consulting firm in litigation in the Southern District of New York asserting that a client breached its contractual obligation to pay tens of millions of dollars associated with improved performance and financial results in one of its main business lines.
  • Several global financial institutions, headquartered in the United States and abroad, to advise on litigation risks and solutions arising from LIBOR transition issues, including how to address trillions of dollars of existing LIBOR-based contracts, the constitutionality of legislation that addresses these legacy LIBOR contracts, and the potential interaction of UK and US legislative efforts.
  • A global financial institution in ERISA class action relating to its 401(k) plan.
  • Global financial institution to advise on contractual obligations and litigation risks arising from funding litigation concerning CVRs.
  • Investment and financial firm to advise on litigation risks and solutions under Delaware law in connection with potential intercreditor litigation in Chapter 11 bankruptcy in Texas.
  • Technology company to advise on corporate governance and litigation risks in connection with merger.
  • Former directors of medical technology company in connection with breach of fiduciary duty and other claims in the Delaware Court of Chancery and Delaware Supreme Court.
  • Pharmaceutical company in litigation in the Delaware Court of Chancery arising from a post-merger dispute concerning milestone payments based on drug performance.
  • Financial institution serving as trustee for several Delaware statutory trusts holding and servicing a large portfolio of student loans in litigation in the Delaware Court of Chancery and Delaware District Court.
  • Founder, CEO, and Chairman of the Board of Directors of global timeshare company in derivative litigation in the Delaware Court of Chancery and Delaware Supreme Court, challenging the acquisition of the company by a global, multi-billion dollar asset management company.
  • A mobile engagement provider and employee against claims brought by employee’s former employer for violating post-termination employment agreements, including non-solicitation agreement.
  • National railroad company in defense of breach of contract and other claims in the Complex Commercial Division of the Delaware Superior Court and Delaware Supreme Court.



Clients & Friends Memos

view more »


view more »


view more »
Sara Bussiere 


  • Delaware
  • New York
  • Pennsylvania


  • Lafayette College
    B.A. (Hons)
  • Pennsylvania State University, Dickinson School of Law