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About Justin
Biography
Justin Castillo is a partner in the law firm of Levine, Blaszak, Block
& Boothby, LLP (“LB3”), a Washington, DC-based law firm that
structures complex telecommunications procurements for enterprise
customers. As a telecommunications lawyer, he advises companies in both their strategic planning and
contract negotiations for telecommunications products and
services.
Mr. Castillo regularly negotiates agreements with the major
telecommunications providers for global voice and data services. He has
also negotiated numerous enterprise agreements for local and wireless
services. He also works on regulatory issues involving enterprise
customers and on resolving disputes between customers and carriers.
Practice Areas
Fees and Rates
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Chat withLicenses
Licensed in New York for 18 years
State: New York
Acquired: 2008
No misconduct found
Licensed in California for 19 years
State: California
Acquired: 2007
No misconduct found
Licensed in District of Columbia for 26 years
State: District of Columbia
Acquired: 2000
No misconduct found
Licensed in Colorado for 28 years
State: Colorado
Acquired: 1997
No misconduct found
Licensed in Pennsylvania for 31 years
State: Pennsylvania
Acquired: 1994
No misconduct found
Location
Law Offices of Justin Graf Castillo
2001 L St Nw 9fl, Washington, DC, 20036
Law Offices of Justin Graf Castillo
2001 L Street Nw Suite 900, Washington, DC, 20036
Law Offices of Justin Graf Castillo
Levine Blaszak Block Et Al, 2001 L St Nw Ste 900, Washington, DC, 20036
Law Offices of Justin Graf Castillo
2001 L Street Nw, #900, Washington, DC, 20036
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Experience
Work Experience
2009 - Present
Member, Hearing Committee, DC Board of Professional Responsibility
1997 - Present
Partner, Levine, Blaszak, Block & Boothby, LLP
1994 - 1997
Trial Attorney (Honors Program), U.S. Department of Justice
1993 - 1994
Law Clerk for Judge John A. Terry, D.C. Court of Appeals
Education
1993
Georgetown Univ Law Ctr
JD - Juris Doctor
1987
Yale Univ
MA - Masters
1987
Yale University
BA - Bachelor of Arts
Speaking Engagements
2009
National Summit on Telecom Expense Management
Telecom Expense Management
Publications
2009
TC2's David Rohde on Telecom
Six Mistakes You Can't Afford to Make in Your Next Telecom Procurement
Activity
Legal Answers