The Trilateral Offices, or Trilateral Patent Offices, are a group of patent offices consisting of the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and Trademark Office (USPTO). 89 % of the patents in force in the world are either European patents (or part of European patent in a contracting state), Japanese patents or US patents ^*.

See also

• Triadic patent families
• Patent family
• Patent Cooperation Treaty (PCT)

• European patent law
• Japanese patent law
• United States patent law

External links

• Trilateral web site
• Trilateral Statistical Reports from 1996 to 2003

Patent law