FAQ
The annual fee for the year in which the patent is granted must be paid at registration. Subsequent...
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After grant
Questions and answers
FAQ
If you miss the deadline for payment of the annual fees, there is a six-month grace period. If you...
FAQ
In China you can request restoration of a patent within two months from the date of receipt of the...
FAQ
No. In China the 20-year term for invention patents cannot be extended. The Chinese Patent Law does...
FAQ
The opposition system was abolished in China in 2001. The only way to a challenge a granted patent...