John F. L'Esperance practices in the areas of immigration and nationality law. He provides U.S. and global companies with a full range of immigration and naturalization legal services, including labor certification applications, immigrant visa petitions and applications to adjust status or for consular processing, as well as nonimmigrant visa petitions for new-hire employees, intracompany transferees and specialty occupations. Among Mr. L'Esperance's clients are technology companies, including one of the world's leading developers and providers of information-infrastructure technology. He also represents foundations, universities, hospitals and healthcare institutions, including the Devereux Foundation.

Mr. L'Esperance is a graduate of District of Columbia School of Law and a graduate of Castleton State College.

Areas of Practice

  • Immigration and Nationality Law


  • District of Columbia
  • Florida
  • U.S. Court of Appeals for the Eleventh Circuit
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit


  • District of Columbia School of Law, J.D.
  • Castleton State College, B.S.B.A.


  • Duane Morris LLP
    - Partner, 2010-present
  • Berry Appleman & Leiden LLP
    - Senior Associate, 2005-2010
  • Baumann DeSeve & Landau
    - Associate, 2000-2005
  • Law Offices of John F. L'Esperance
    - Solo Practitioner, 1996-1999

Professional Activities

  • American Immigration Lawyers Association

Honors and Awards

  • Referenced in Legal 500 U.S.- Leading Lawyers for Immigration 2015
  • Listed in Who's Who of Corporate Immigration Lawyers, 2015
  • Listed in Global Directory of Who's Who, 2011

Selected Publications

Selected Speaking Engagements

  • Speaker, "Immigration Options Post-Graduation," St. Thomas University in Miami, November 20, 2014