Michael Hyatte is Counsel in Mayer Brown’s Washington DC office. Michael is a member of the firm’s Capital Markets practice. Michael spent nearly twenty years at the US Securities and Exchange Commission’s Division of Corporation Finance, including more than ten years in its Office of Chief Counsel and five years in its Office of International Corporate Finance. At the SEC, his responsibilities included interpreting regulatory and disclosure rules in advice to the Commission, the Division staff and the public. The written record of his work for the SEC includes more than 500 no-action letters, the Trust Indenture Reform Act of 1990, Exchange Act rule 12h-5 and provisions of the Commodity Futures Modernization Act of 2000.

Michael regularly advises on the Securities Act of 1933, Securities Exchange Act of 1934, Trust Indenture Act of 1939 and Sarbanes-Oxley Act. In addition, he advises on:

  • Rule 144 resales of restricted and control securities,
  • Institutional private placements under Rule 144A,
  • International financing transactions under Regulation S,
  • Other exempt offerings,
  • Registered securities offerings, including IPOs and offerings by well-known seasoned issuers,
  • Qualification of indentures representing publicly-offered debt securities under the Trust Indenture Act, and
  • Certification and internal control issues under the Sarbanes-Oxley Act.

Michael is a co-author of “United States,” a chapter in The International Capital Markets Review (Law Business Research, fifth ed. 2015, sixth ed. 2016, seventh ed. 2017, eighth ed. 2018, ninth ed. 2019, tenth ed. 2020, eleventh ed. 2021, twelfth ed. 2022) and co-author of “Down for the Account: Steps to Take When Facing a Change in Accountant,” an article published by Practical Law in 2015. Michael has been recognized every year since 2008 by The Best Lawyers in America in the Corporate Compliance Law, Corporate Governance Law and Securities/Capital Markets Law categories.


Indiana University Maurer School of Law, JD

The University of Chicago, BA


  • District of Columbia
  • Illinois