Marjorie Duffy represents corporations, directors, and officers in securities, shareholder, and derivative litigation in federal and state courts across the country. She concentrates on litigation arising from mergers and acquisitions and other significant corporate events, as well as on fiduciary, governance, oversight, and appraisal claims. She has significant experience with stockholder demands for books and records under § 220 and other statutes. Marjorie also litigates RICO and other complex claims.
In 2019, Law360 selected Marjorie as one of the top six securities litigators in the country under 40 years old. She was a law clerk to the Chancellor of the Delaware Court of Chancery before joining Jones Day in 2008, and she is admitted in New York and Ohio.
Marjorie's representative litigation success includes obtaining dismissals of securities class actions under the Private Securities Litigation Reform Act (PSLRA) and of shareholder derivative and class actions. She successfully has litigated M&A and other commercial disputes and recently obtained summary judgment in a preferred stockholder dispute. She also secured summary judgment in a nationwide consumer class action.
Columbus Business First recognized Marjorie in its 2018 list of "40 under 40" honorees. She serves on the Executive Committee of the Friends of the Columbus Metropolitan Library and chairs its Governance Committee. She also chairs the board of directors of VOICEcorps, which provides services to the visually impaired, and is a longtime volunteer reader.
Marjorie is the New Lawyers Group coordinator in the Columbus Office and serves on its Recruiting Committee.
Experience
Additional Publications
- 2021
Federal Forum Provisions for Ohio Corporations, 49 Cap. U. L. Rev. __ (2021) (forthcoming) - October-December 2019
U.S. Securities Class Actions (Mini-Roundtable), Corporate Disputes
Speaking Engagements
- November 20, 2020
Shareholder and Other High-Stakes Litigation - Practical Takeaways for Boards, The Society for Corporate Governance, Ohio Chapter - November 17, 2020
When Deals Are at Risk: Recent M&A Litigation and Disputes, Jones Day CLE Academy - May 27, 2020
Recent Securities-Related Developments in Cyber and Data Privacy, Dallas Bar Association - Securities Section - March 12, 2020
Latest Developments in Shareholder Demands for Books and Records - March 11, 2019
Inspection Demands in the Digital Age: (e)Books and (e)Records - December 4, 2018
Developments in Securities and Shareholder Litigation, Jones Day CLE Academy - August 28, 2018
Insider Trading and Regulation FD - Legal Update, Jones Day CLE Speaker Series - November 28, 2017
Directors and Officers in the Crosshairs: Trends in Securities and Shareholder Litigation, Jones Day CLE Academy - December 8, 2015
Developments in Securities and Shareholder Litigation, Jones Day CLE Academy - March 8-10, 2013
Fiduciary Responsibility course, Distinguished Practitioners in Residence Program in Business Law at The Ohio State University Moritz College of Law, co-teaching with the former Chancellor of the Delaware Court of Chancery
- The Ohio State University (J.D. cum laude 2007; Articles Editor, Ohio State Law Journal; National Moot Court Team); University of Virginia (B.A. with high honors 2002; Honors Program in Philosophy)
- Ohio; New York; U.S. Courts of Appeals for the Third, Sixth, Seventh, and Ninth Circuits; and U.S. District Courts for the Southern and Northern Districts of Ohio
Law360 "Rising Star" (2019)
Columbus Business First "40 Under 40" honoree (2018)
Ohio Super Lawyers "Rising Star" (2018)
- Law Clerk to the Honorable William B. Chandler III, Chancellor, Delaware Court of Chancery (2007-2008)