IMMIGRATION ATTORNEY PROFILE
William L. O'Quinn
Immigration Attorney in Denver, Colorado
O'Quinn Law Worldwide, P.C.Denver, CO
Accepting New Clients
William L. O'Quinn is a lawyer practicing commercial law, international trade, international investment and 11 other areas of law. William received a B.S.M.E. degree from North Carolina State University in 1961, and has been licensed for 61 years. William practices at O'Quinn Law Worldwide, P.C. in Denver, CO.
Licensing / Bar Status
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About the Attorney
William L. O'Quinn is a lawyer practicing commercial law, international trade, international investment and 11 other areas of law. William received a B.S.M.E. degree from North Carolina State University in 1961, and has been licensed for 61 years. William practices at O'Quinn Law Worldwide, P.C. in Denver, CO.
Languages
Practice Areas
Immigration Matters Handled
- Green cards through qualifying investment in a new commercial enterprise in the United States.
- Petitions for review, mandamus actions and other federal court litigation involving immigration agencies.
- Employer immigration programs, Form I-9 compliance and worksite enforcement matters.
Education / Credentials / Memberships
Education
- J.D., University of Denver College of Law
- B.S.M.E., North Carolina State University
Credentials
- Admitted to practice in District of Columbia U.S. Court of Appeals, Federal, District of Columbia, Tenth and Fourth Circuits (1984)
- Admitted to practice in North Carolina (1965)
- Admitted to practice in Maryland (1980)
Memberships
- Denver Bar Association
Office & Service Areas
O'Quinn Law Worldwide, P.C.
Denver, CO 80206
Serving clients in Denver and throughout Colorado.
Consultation & Fees Overview
Consultations are available to discuss your immigration goals, review your situation, and outline potential options. Fees and representation details are discussed during the consultation and may vary based on the type and complexity of your case.
- Consultation options are shared on request.
- Fees discussed during the consultation
- Engagement terms and scope of representation provided in writing
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Profile updated Nov 2, 2026. Source: imported listing.