• vcard
212.413.2837
  • Education
    • J.D., Harvard Law School, 1984
    • B.S., Cornell University, 1981
  • Bar Jurisdictions
    • New York, 1985
    • New Jersey, 2009
    • Admitted to practice before the United States Patent and Trademark Office, 2001
  • Court Admissions
    • U.S. Court of International Trade, 1993
    • U.S. District Court, Eastern District of New York, 1985
    • U.S. District Court, Southern District of New York, 1985
    • U.S. District Court, Eastern District of Michigan, 1993
    • U.S. District Court, Western District of Pennsylvania, 1994
    • U.S. District Court, Southern District of Indiana, 1995
    • U.S. District Court, Northern District of Illinois, 1999
    • U.S. District Court, Northern District of New York, 2003
    • U.S. District Court, District of New Jersey, 2015
    • U.S. Court of Appeals, Third Circuit, 1995
    • U.S. Court of Appeals, Federal Circuit, 1996
    • U.S. Supreme Court, 1993
    • District of Columbia Court of Appeals, 1998
John Cleary’s practice focuses on serving the Technology Transaction and Data Privacy needs of U.S. companies, with an emphasis on data security incidents and other cyber controversies.

John also brings his dispute resolution skills to bear on problems faced by clients across an array of litigation and pre-litigation settings, principally in the areas of intellectual property, cybersecurity, insurance, banking and maritime law.  John previously served for several years as an Assistant U.S. Attorney in Washington, D.C., representing U.S. government agencies and officials in a range of constitutional and other federal sector issues.
  • Representation of U.S. companies involved in data security incidents 
  • Representation of cruise ship charterer and multinational investors in maritime arbitration and letter of credit matter in New York
  • Representation of Lloyd’s and London market interests in civil suits and reinsurance arbitrations arising out of extended warranty coverage for U.S. and Canadian automobiles and personal computers
  • Representation of U.S. design and manufacturing company suing an aircraft manufacturer in the Russian Federation for wrongful misuse of intellectual property
  • Representation of gas transmission company to enforce contractual rights under the federal filed rate doctrine in a bankruptcy proceeding
  • Representation of Bermuda and U.S. companies in captive insurance disputes under New York and Bermuda law 
  • Patent litigation in the metallurgical field, involving high-performance aerospace alloys
  • Defense of aluminum manufacturer through multiple stages of a toxic tort class action alleging personal injury and property damage in St. Croix, U.S. Virgin Islands
  • Amicus briefing on behalf of the New York Intellectual Property Law Association of key patent-antitrust case before the U.S. Supreme Court (FTC v. Watson)
  • Amicus briefing on behalf of the Maritime Law Association of the United States of key “vessel status” case before the U.S. Supreme Court 
  • Representation of financial institution in energy sector copyright infringement matter
  • Representation of financial institution in complex aircraft finance and collection litigation
  • Representation of UK judgement creditor in enforcement proceedings in New York 
  • Representation of professional service firm in connect with Section 1782 application for discovery in support of foreign proceedings 
text icon Publications & Presentations
Nineteenth Annual Institute on Privacy and Data Security
Speaker, Practising Law Institute (PLI)
May 29-30, 2018
text icon Publications & Presentations
“The ‘Y2K’ That Really Happened"
Presenter, NetDiligence Cyber Risk & Privacy Liability Forum
October 18, 2016
text icon Publications & Presentations
Current Issues in D&O Liability & Insurance 2016
Presenter, New York City Bar Program
May 11, 2016
text icon Publications & Presentations
Cyber Law - Insurance
Presenter, Cyber Law Symposium
February 27-28, 2016
text icon Publications & Presentations
IQ Business Group’s Industry Day Conference
Panelist
January 29, 2016
text icon Publications & Presentations
New DOJ Data Breach Best Practices
Panelist, Law 360
May 13, 2015
text icon Publications & Presentations
Fee Shifting in Patent Litigation
Panelist and Presenter, NYIPLAs
December 4, 2013
text icon Publications & Presentations
Vessel Status Issues
Presenter, Fall Meeting, Maritime Law Association of the United States
October 30, 2013
text icon Publications & Presentations
Vessel Status Meeting
Presenter, Spring Meeting, Maritime Law Association of the United States
May 1, 2013
text icon Publications & Presentations
Vessel Stands Under U.S. Law
Keynote Speaker, London Market Briefing, International Underwriting Association (London)
October 2012