Lawrence D. O'Neill

New York City, New York
Experience: 42 years
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About Lawrence D. O'Neill

Mr. O'Neill was born in Granite City, Illinois to Lawrence Frederick O'Neill, a highly decorated Irish-American fighter pilot and ace, and Dorothy Lee Breckenridge, a member of the famous American Breckenridge family. He spent his childhood on various naval bases where is father was subsequently stationed. He completed his secondary education at St. Aloysius School, in Malta, and graduated with a degree in Economics from the University of Maryland. He served in the US. Army during the Vietnam war in the Army Security Agency, assigned to the National Security Agency (NSA). He subsequently graduated from law school from the University of Baltimore, and worked in various senior government positions in the White House and the Depart of Commerce. Upon leaving the government in 1981 he entered private practice with Fenwick, Davis, Stone and West and then as a partner with Winston and Strawn. He later moved Europe, as Secretary General to SITA, in Paris, prior to setting up his own firm with offices in Paris, Dublin and New York.Mr. O'Neill is an exceptionally experienced attorney with expertise in banking and finance, data protection and privacy, information technology and telecommunications, international trade, complex international litigation,corporate affairs, international tax, and business organization. He has a diverse and extensive practice experience including complex international litigation, public share offerings, business mergers and acquisitions, business strategy, protecting intellectual property, developing technology policy and advice on regulatory issues, product development/management and business development, as well as the management and administration of global businesses. He also has extensive experience in complex international litigation.

Practice Areas

  • Appeals & Appellate
  • Arbitration & Mediation
  • Business Law
  • Communications & Internet Law
  • Energy, Oil & Gas
  • Gov & Administrative Law
  • Intellectual Property »
  • International Law
  • Maritime
  • Trademarks

Jurisdictions Admitted to Practice

  • DCSince 1979
  • MarylandSince 1975
  • 2nd CircuitSince 2013
  • U.S. Supreme CourtSince 1979

Professional Experience

  • Partner O'Neill and Company 1994 - Current
  • General Counsel/Chairman Stentor Plc 1993 - 1996
  • Secretary General Societie International de Telecommunications Aeronautiques 1988 - 1994
  • Partner Winston and Strawn 1983 - 1992
  • Washington Counsel Fenwick & West LLP 1981 - 1983
  • Associate Chief Counsel National Telecommunications and Information Administration, Dept. of Commerce 1978 - 1981
  • Deputy Director, Policy Executive Office of the President, Office of Telecommunications Policy 1973 - 1978 Advisor the the President of the United States on Telecommunications Policy


  • University of Baltimore School of Law J.D. (1975) | Law 1972 - 1975Activities: Law review
  • Georgetown University International Affairs 1970 - 1971
  • University of Maryland - College Park B.A. | Economics 1968 - 1970
  • University of Missouri - Columbia Journalism 1964 - 1966

Professional Association

  • District of Columbia Bar #450762 Member Current


150 East 52nd Street
1901 New York
New York City, NY 10019 USA

Telephone: (917) 753-6147

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