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
  • University at Buffalo Law School Alumni Association, New York City Chapter – Co-Chair
  • The Legal Aid Society’s New Leadership Program – Board Member
  • Brooklyn Defender Services, Family Defense Practice – Associates Advisory Board Member
  • New York City Bar Association, Pro Bono and Legal Services Committee – Affiliate Member
  • Historical Society of New York Courts – Member

Patrick J. Reinikainen


Patrick Reinikainen is an associate in the firm’s Litigation and Enforcement practice group. Patrick represents companies and individuals 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 cybersecurity and data privacy 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 served as an extern for the U.S. Attorney’s Office, where he assisted federal prosecutors with cases involving both violent and financial crimes. He also 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 of the New York State Supreme Court. 

Patrick maintains an active pro bono practice, which has included the representation of a criminal defendant facing bank fraud charges in U.S. District Court for the Southern District of New York, a death row inmate on appeal to the U.S. Supreme Court, and a group of distinguished law professors as amici curiae in a case involving a question of constitutional first impression.


White Collar Crime and Government Enforcement

  • 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 the handling of regulatory examinations and investigations by the SEC.
  • Defending financial institutions, hedge funds, and portfolio managers in connection with investigations by the SEC into alleged insider trading.
  • Assisting a company in responding to a civil antitrust inquiry by the DOJ in connection with a proposed merger.*
  • Representing a major financial institution in a DOJ investigation involving alleging securities fraud and violations of FIRREA.*
  • Representing a major retail company in a DOJ investigation involving alleged violations of the False Claims Act.
  • Assisting companies across industries in responding to FINRA trading inquiries.

Anti-Corruption and International Risk

  • Representing companies and individuals in global SEC and DOJ investigations into alleged violations of the FCPA.
  • Advising clients across industries on anti-corruption, export control, and trade sanctions due diligence in connection with mergers, acquisitions, and other major global transactions.
  • Counseling multinational corporations on a wide variety of FCPA, sanctions, and anti-money laundering compliance issues.
  • Assisting companies in the technology, life sciences, and food and beverage industries with the development of comprehensive anti-corruption training and compliance programs.

Data Privacy, Cybersecurity, and FinTech

  • Counseling a major retail company in connection with litigation arising from a data security breach.
  • Assisting companies in responding to cybersecurity incidents by investigating data breaches and responding to related litigation.
  • Advising companies on various data privacy and cybersecurity regulatory compliance matters and the development of effective compliance and training programs.
  • Advising companies on a variety of FinTech issues, including potential regulatory, compliance, and litigation risks associated with alternative data, data monetization, automated research tools, blockchain, and cryptocurrency.

Complex Civil Litigation

  • 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. 
  • Defending a private equity firm in connection with investor litigation arising out of an international recapitalization transaction.
  • Defending one of the nation’s largest financial institutions in multiple state and federal securities actions.*

*Completed prior to joining Ropes & Gray.



  • Panelist, “How KYC/AML Regulation Changes are Shaping Cross-Border Transactions,” Northwestern University Pritzker School of Law – JILB Symposium on Foreign Direct Investment (February 15, 2019)
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