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Patrick C. McCooe

Fax +1.617.261.3175
Patrick McCooe is an associate in K&L Gates’ Boston, Massachusetts office, and is a member of the firm’s investigations, enforcement, and white collar and complex commercial litigation and disputes practice groups. His practice focuses on defending companies and individuals against complex government investigations and prosecutions, and also business and securities litigation matters for clients in highly regulated industries who benefit from a broad view of criminal, government enforcement, and civil representation, and the nuanced overlap among them.

Mr. McCooe has defended clients and conducted internal investigations regarding a wide variety of federal and state criminal, securities law, and other complex government enforcement and civil matters brought by the Department of Justice, Securities and Exchange Commission, Internal Revenue Service, and other federal and state enforcement agencies. He has also advised clients on a variety of domestic and international federal criminal matters and enforcement investigations, including cross-border and Foreign Corrupt Practices Act investigations.

In doing so, Mr. McCooe has had considerable success dissuading governmental agencies from pursuing criminal or other enforcement action against his clients, as well as proactively guiding clients through government investigations without ever becoming a subject of them in the first place. Mr. McCooe has developed substantial experience preparing witnesses to testify in government and civil matters, and has appeared in a variety of state and federal courts, government agency proceedings, and alternative dispute resolution forums, including jury trials, mediations, and dispositive court motions. He also has extensive experience managing complex government and civil discovery for clients, including large scale document productions, written discovery, and complex discovery issues relating to electronically stored information.

In 2018, Massachusetts Lawyers Weekly recognized Mr. McCooe with an Excellence in the Law - Pro Bono Award for his pro bono work securing the release of Fred Weichel, who was wrongfully imprisoned for more than 36 years for a first-degree murder he did not commit.

Professional Background

During his time at Boston University School of Law, Mr. McCooe was a judicial intern for the Honorable Barbara A. Lenk, Associate Justice on Massachusetts’ Supreme Judicial Court, and served on the Editorial Board for Boston University’s Law Review. Prior to joining the firm, Mr. McCooe was a summer associate in the firm’s Boston office in 2011.


  • Awarded Excellence in the Law - Pro Bono Award by Massachusetts Lawyers Weekly

Speaking Engagements

  • Patrick McCooe, A Practical Guide to Conducting Witness Interviews in Government Investigations, Continuing Legal Education Program, Boston, MA, March 2019
  • Represented a global asset management firm in a broad and complex federal securities fraud investigation. The case was resolved with a declination of prosecution.
  • Represented global pharmaceutical company in defense of claims throughout the United States challenging drug pricing practices.
  • Represented public broadcasting station and producer in connection with a variety of matters, including civil litigation, mediation, and legal strategy. Representation included successfully defending against a multicount claim alleging tens of millions of dollars in damages.
  • Represented asset management fund in federal civil case against allegations of violating operating agreement with other asset management fund.
  • Represented a public global energy company and its senior executives in a cross-border, multi-jurisdictional criminal investigation and civil arbitration.
  • Represented a public company in a Foreign Corrupt Practices Act investigation brought by the Department of Justice and Securities and Exchange Commission.
  • Represented a corporate director in connection with a federal tax and corporate fraud investigation.
  • Represented a health care consulting company in connection with a federal health care fraud investigation.
  • Represented a global asset management firm in a financial fraud investigation.
  • Represented a financial services company in a civil investigation brought by a state Attorney General’s Office.
  • Represented a health care company in a state Attorney General’s Office investigation involving alleged Stark Law violations and improper Medicare and Medicaid billings. The case was resolved with a declination of prosecution.
  • Represented an aerospace engineering company in a federal investigation involving alleged Export Administration Regulations and International Traffic in Arms Regulations violations.
  • Represented an insurance company in a False Claims Act investigation.
  • Represented a pro bono client wrongfully convicted of first-degree murder and sentenced to life imprisonment. After prevailing before the trial court and state supreme court, the District Attorney’s Office dismissed all charges, resulting in the client’s release from prison after serving more than 36 years for a crime he did not commit.
  • Co-author of pro bono amicus brief filed on behalf of the Boston Bar Association in the Massachusetts Supreme Judicial Court (SJC) in a matter concerning the rights due to a defendant under the Massachusetts DNA testing statute and an issue concerning the attorney-client privilege (Commonwealth v. Wade, 475 Mass. 54 (2016)).