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A kokoku or kokoku tokkyo koho is an examined and approved Japanese patent application, published for opposition, in contrast to the kokai, the published ("laid-open"), unexamined Japanese patent application. The kokoku system of publishing for opposition was abolished in 1996.

See also

• Japanese patent law

References

1. Kotler, Mindy L.; Hamilton, Gary W. (November 1995). "A guide to Japan's patent system". p. 19. CiteSeerX 10.1.1.124.6834. {{cite web}}: Missing or empty |url= (help)
2. Thomson Reuters, The Japanese patenting system.

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