Patrick J. Reinikainen


  • JD, magna cum laude, University at Buffalo Law School, 2012; President, University at Buffalo Law School Moot Court Board; Order of the Barristers; Adelbert Moot Scholarship Recipient
  • BA (Political Science), High Distinction, University of Minnesota, 2009; Phi Beta Kappa; Judge Earl and Mrs. Cecill Larson Scholarship Recipient


  • District of Columbia, 2015
  • New York, 2014
  • Minnesota, 2012

Court Admissions

  • U.S. Court of Appeals for the Third Circuit, 2016
  • U.S. Court of Appeals for the Second Circuit, 2014
  • U.S. District Court for the Eastern District of New York, 2015
  • U.S. District Court for the Southern District of New York, 2014
  • Honorable Julio M. Fuentes, U.S. Court of Appeals for the Third Circuit
  • Honorable Thomas P. Griesa, U.S. District Court for the Southern District of New York
  • Historical Society of New York Courts, Member
  • New York City Bar Association, Member – Pro Bono and Legal Services Committee
  • Brooklyn Defender Services, Family Defense Practice, Member – Associates Advisory Board

Patrick J. Reinikainen


Patrick Reinikainen is an associate in the firm’s Litigation and Enforcement practice group. Patrick represents clients in civil and criminal government enforcement matters, complex litigation and appeals, and internal investigations. He also has experience advising companies on anti-corruption, anti-money laundering, securities regulation, and data privacy and cybersecurity issues.

Prior to joining Ropes & Gray, Patrick served as a law clerk for the Honorable Julio M. Fuentes of the U.S. Court of Appeals for the Third Circuit and the Honorable Thomas P. Griesa of the U.S. District Court for the Southern District of New York. While attending law school, Patrick interned for the Honorable John T. Curtin in U.S. District Court for the Western District of New York and the Honorable Gerald J. Whalen in New York State Supreme Court. He also served as an extern for the U.S. Attorney’s Office for the Western District of New York, where he assisted federal prosecutors with violent and white collar criminal matters.

Patrick maintains an active pro bono practice, which has included assisting Criminal Justice Act appointed counsel in the representation of criminal defendants in U.S. District Court for the Southern District of New York and the representation of a group of constitutional law professors as amici curiae in a case involving an issue of Presidential immunity.


  • Representing individuals and companies across industries in criminal and civil proceedings brought by the SEC and DOJ.
  • Advising private equity firms and hedge funds on compliance and risk management issues and the handling of regulatory examinations and investigations by the SEC.
  • Conducting internal investigations for both public and private companies.
  • Assisting a company in responding to a civil antitrust inquiry by the DOJ.*
  • Advising multinational corporations on FCPA, sanctions, and anti-money laundering issues.
  • Defending companies in connection with DOJ investigations into alleged violations of FIRREA and the False Claims Act.*
  • Assisting companies in responding to inquiries from FINRA.
  • Defending a company in connection with litigation arising from a data security breach.  
  • Advising companies on a variety of FinTech issues, including potential regulatory, compliance, and litigation risks associated with alternative data, data monetization, and automated research tools.
  • Advising companies on various data privacy and cybersecurity regulatory compliance matters.
  • Representing a global investment bank as a member of litigation team that obtained full dismissal with prejudice of class action claims filed against the bank in the Delaware Court of Chancery. 
  • Representing a private equity firm in investor litigation arising out of an international recapitalization transaction.
  • Defending one of the nation’s largest financial institutions in multiple federal and state mortgage-backed securities actions stemming from the 2008 financial crisis.*
  • Assisting companies in responding and objecting to third-party requests for information from federal agencies under the Freedom of Information Act.*
  • Advising clients in a wide variety of industries on anti-corruption, export control, and trade sanctions due diligence in connection with mergers, acquisitions, and other major global transactions.

*Completed prior to joining Ropes & Gray.

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