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FAQ > Patents >
Some important time limits for Patents
Some important time limits for Patents
We wish to draw users' attention to the following non-extendible
time limits:
| Step |
Time limit |
Provision |
| Filing a request to record (first stage of HK standard
patent application) |
Within 6 months after the date of publication
of corresponding application in a designated patent
office. |
Patents Ordinance, section 15(1) |
| Filing a request for registration and grant (second
stage of HK standard patent application) |
Within 6 months after the date of grant of
the designated patent by the designated patent office
or publication of the request to record in HK, whichever
is later. |
Patents Ordinance, section 23(2) |
| Filing amendment of standard patent following prescribed
opposition or revocation proceedings in the designated
patent office |
Within 6 months beginning from (a) the date
of the amendment in the designated patent office; or
(b) the date of grant of the HK standard patent, whichever
is later. |
Patents (General) Rules, section 35(1) |
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