Roger is a registered US patent attorney and computer progammer. His selected areas of legal skills include: Infringement, validity, freedom to operate, right to use, reissue, reexamination, and other patent and trademark opinion work, and trademark counseling; Patent protection of medical, pharm... Read more
Practice Areas
Intellectual Property
Patent
Trademark
Licenses
DC (2002), USPTO (2001)
Languages
English, Korean, Mandarin
Contact Information
Hahn & Associates1012 14th St NW Ste 620 Washington, District of Columbia, 20005