LAWYER PROFILE
Michael Buchanan

Michael Buchanan

USA 2026

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Ranked in 1 practice area

About

Provided by Patterson Belknap Webb & Tyler LLP

Practice Areas

Michael F. Buchanan is a litigation partner focusing his practice on white-collar defense and investigations, cybersecurity, and patent litigation. He has been recognized by Chambers USA 2023 in the area of white-collar crime and government investigations. Clients quoted in Chambers praised him for bringing “great legal acumen to the table in a very practical matter.”

A skilled trial lawyer, Mr. Buchanan has tried several complex civil and criminal cases to verdict, including several complex federal patent trials and international arbitrations on behalf of major pharmaceutical companies. He has also argued multiple federal appeals. Mr. Buchanan regularly represents public and private companies in the financial services, healthcare, and e-commerce industries on a variety of issues relating to data breaches and cybersecurity, including incident response and investigation and related litigation. His white-collar representations have involved allegations of securities fraud, insider trading, tax fraud, accounting fraud, health care and Medicare/Medicaid fraud, and theft of trade secrets. He served on the Monitoring Team for the Newark Police Department, responsible for overseeing the NPD's compliance with a Consent Decree issued by the U.S. Department of Justice.

Career

Mr. Buchanan spent over nine years at the U.S. Attorney’s Office for the District of New Jersey, where he investigated and prosecuted matters involving the Computer Fraud and Abuse Act, insider trading, the Foreign Corrupt Practices Act, health care kickbacks, off-label marketing, and Medicare/Medicaid and private insurance fraud. He was involved in some of the Office's most significant and high-profile prosecutions. During his tenure, Mr. Buchanan served as Chief of the Securities and Health Care Fraud Unit, Deputy Chief of the Criminal Division, and Chief of the Terrorism Unit.

Before becoming a federal prosecutor, Mr. Buchanan practiced at one of New York City's top white-collar criminal defense law firms and served as a Law Clerk to the Hon. Franklin S. Van Antwerpen, U.S. District Court for the Eastern District of Pennsylvania. Mr. Buchanan also served as a law clerk at a premier intellectual property law firm where he participated in all aspects of the firm's patent litigation and prosecution practice. Mr. Buchanan previously worked as a structural engineer at Grumman Aerospace.

Professional Memberships

Federal Bar Council (Vice-Chair, Intellectual Property Committee; Member, Program Committee)

Personal

B.S., Columbia University; J.D., cum laude, Brooklyn Law School

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: White-Collar Crime & Government Investigations - New York

Band 5
Band 5

Individual Editorial
Michael Buchanan handles a range of white-collar matters involving securities, insider trading, tax, accounting and healthcare fraud. Also noted for his expert handling of patent litigation and cybersecurity matters.

Strengths

Provided by Chambers

  • Michael is an excellent trial lawyer and a very strategic defense lawyer.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • He gives sound practical advice and provides solutions in a great manner.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA

Ranked Individuals at Patterson Belknap Webb & Tyler LLP (19)

New York

  • Profile image of Geoffrey Potter
    Geoffrey Potter

    Intellectual Property: Trademark, Copyright & Trade Secrets

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  • Profile image of Robert J Cleary
    Robert J Cleary

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Daniel Ruzumna
    Daniel Ruzumna

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Joshua Goldberg
    Joshua Goldberg

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Harry Sandick
    Harry Sandick

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Michael Buchanan
    Michael Buchanan

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Lauren Schorr Potter
    Lauren Schorr Potter

    Litigation: White-Collar Crime & Government Investigations

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  • Profile image of Peter Tomlinson
    Peter Tomlinson

    Securities: Institutional Plaintiffs: Mainly RMBS Litigation

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USA - Nationwide

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