John T Callahan

Attorney in Washington, DC with 35 years of experience

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Practice Areas

  • Intellectual Property

License

State Year
District of Columbia 1990

Education

  • University of Baltimore, JD, 1990
  • Catholic University, BChE, 1985

Profesional Memberships

  • District of Columbia Bar

Contact John T Callahan

Sughrue Mion PLLC

2100 Pennsylvania Avenue NorthWest

Suite 800

Washington, DC 20037

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