Robert Tiefenbrun is counsel in Goodwin’s Securities + Shareholder Litigation and Government Investigations + Enforcement practices. Robert has more than a decade of experience representing corporate and individual defendants in shareholder litigation including federal securities class actions, derivative litigation, breach of fiduciary duty claims, and corporate governance disputes. In addition to representing several of the world’s largest banks in various matters, Robert has helped clients in the cryptocurrency industry respond to private litigation and SEC enforcement matters. Robert also represents clients in internal investigations relating to a range of matters including Foreign Corrupt Practices Act compliance, anti-money laundering diligence, and public disclosure requirements. In addition to his billable work, Robert has dedicated time to pro bono work in the Los Angeles and Santa Ana immigration courts.





Prior to joining Goodwin, Robert was an associate at Jones Day and Cahill Gordon & Reindel.
Representative Matters

Robert’s recent matters includes representation of:

  • A managing director of a cryptocurrency investment fund in connection with an SEC enforcement action.
  • Cryptocurrency investment funds in connection with the management of litigation risks related to decentralized autonomous organizations.
  • A major bank and its directors in a Rule 10b-5 class action arising from a decline in the company’s stock price allegedly caused by misrepresentation of CMBS credit quality and underwriting standards.
  • A multinational retail corporation in connection with a state law breach of fiduciary duty action relating to the company’s acquisition of the assets of an online retailer.
  • A pharmaceutical company and its officers in a Rule 10b-5 class action arising from an earnings miss and the FDA’s rejection of a new drug application.
  • A technology company and its directors and officers in a Section 14(e) action arising from the sale of the company.
  • A genetic testing company in a class action under California’s securities antifraud statute.
  • Represented two individual plaintiff shareholders who were denied proceeds from the sale of a software
  • company.
  • Various clients in connection with internal investigations and inquiries regarding issues including corporate governance, insider trading, and disclosures to investors.






J.D./LL.M., 2011
Duke University School of Law
(cum laude, Duke Law Journal)
B.A., 2008
University of Colorado
(magna cum laude, Phi Beta Kappa)



New York
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Our clients rely on us for world-class advisory services, counsel on complex transactional work and high-stakes litigation. Specializing in matters involving the financial, life sciences, private equity, real estate, and technology industries, we use a collaborative, cross-disciplinary approach to resolve our clients’ most challenging issues. To find out more, please contact us.


Nos équipes interviennent aux côtés de nos clients, industriels, fonds d’investissement, startups, institutions financières et dirigeants, dans le cadre de transactions et de contentieux complexes, et apportent des conseils de tout premier plan dans les secteurs financiers, des Sciences de la Vie, du Private Equity, de l’immobilier et des technologies. Nous traitons les dossiers juridiques de manière intègre, ingénieuse, souple et audacieuse pour répondre efficacement aux enjeux propres à chacun de nos clients, quels que soient la taille de l’opération et le secteur d’activité. Pour en savoir plus, contactez-nous.

Unsere Kunden verlassen sich auf unsere erstklassige Beratung, vor allem im Hinblick auf komplexe Transaktionen und High-Stakes-Prozesse. Spezialisiert auf Angelegenheiten der Finanz-, Life-Sciences-, Private-Equity-, Immobilien-und Technologie-Branchen, verwenden wir einen kooperativen und interdisziplinären Ansatz, um Fragen unserer Kunden auch in extremen Spezialsituationen einer Lösung zuzuführen. Sie wollen mehr erfahren? Kontaktieren Sie uns gerne.

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