Tania Matsuoka is an experienced counsel who focuses her practice on securities and corporate litigation matters. Ms. Matsuoka represents large corporations, financial institutions, boards of directors, and C-suite executives in connection with all stages of high-stakes securities, M&A, derivative, fiduciary duty, and complex business and corporate litigations and disputes. She also represents corporate clients in regulatory, governmental, and internal investigations and enforcement matters, conducting investigations into alleged wrongdoing and responding to inquiries from regulators, including the SEC and FINRA. 

Representative Matters

  • Ms. Matsuoka has represented clients on a variety of significant matters, including:

    • A cryptocurrency company, in securities class actions and other proceedings related to the restructuring of its subsidiary.
    • A multinational food company, in securities class actions and shareholder derivative litigation related to alleged industry-wide price fixing.
    • A private equity firm, in connection with fiduciary duty litigation and alleged appraisal violations in the Delaware Court of Chancery related to its acquisition of a specialty building products distributor.
    • A SPAC sponsored by a public equity investment company, in fiduciary duty litigation in the Delaware Court of Chancery related to a de-SPAC transaction.
    • A pharmaceutical, healthcare, and retail leader, in securities class actions related to a proposed merger.
    • A visual media company, in connection with breach of contract and securities law claims by warrantholders arising out of a de-SPAC transaction.
    • A multinational investment firm, in a seminal business litigation in the Delaware Court of Chancery arising out of the triggering of a material adverse effects clause in a deal negotiation in the wake of the COVID-19 pandemic.
    • A Brazilian investment bank, in a multi-week arbitration before a Swiss tribunal related to fraud and money laundering. Arbitration culminated in a $270 million settlement for the bank.
    • A marketing solutions company, in a securities class action relating to a corporate transformation strategy.
    • An energy infrastructure company, in litigation related to a collateral attack on a confirmed arbitration award.
    • A leading bedding manufacturer and distributor, in connection with a variety of corporate governance and related matters.
    • A global investment firm, in connection with SEC and FINRA inquiries related to M&A activity.

Credentials

  • Education

    • JD, Georgetown University Law Center, 2017

    • BA, Public Communications, American University, 2013

      cum laude
  • Admissions

    • New York

    • US Court of Appeals for the Tenth Circuit

  • Languages

    • French

Credentials

Notice

Unless you are an existing client, before communicating with WilmerHale by e-mail (or otherwise), please read the Disclaimer referenced by this link.(The Disclaimer is also accessible from the opening of this website). As noted therein, until you have received from us a written statement that we represent you in a particular manner (an "engagement letter") you should not send to us any confidential information about any such matter. After we have undertaken representation of you concerning a matter, you will be our client, and we may thereafter exchange confidential information freely.

Thank you for your interest in WilmerHale.