Table 2

Region/country statistics of applicants among decision groups

Applicant regionInvention patents classified by decisions of invalidation re-examination invalidation; Group 1 is cases where patents were found partially or fully valid and Group 0 comprises cases where patents were declared invalid
10Sub-total
1 (US)539212751
2 (JP)505204709
3 (Guangdong)333308641
4 (Shenzhen)365259624
5 (Jiangsu)367246613
6 (Zhejiang)370242612
7 (Beijing)317236553
8 (DE)249113362
9 (Shanghai)195129324
10 (Shandong)155152307
11 (Taiwan)19296288
12 (CN-others)9686261,594
13 (Overseas-others)8814071,288

Source(s): CNIPA patent re-examination committee and authors’ calculations

or Create an Account

Close Modal
Close Modal

Gift article access

As a benefit of your subscription, you can share temporary access to restricted articles.

Each link will stop working after 30 days or 10 uses. You may create up to 10 links in a 30 day period.

Please sign in to your personal account to gift article access.

Register

Gift article access

As a benefit of your subscription, you can share temporary access to restricted articles.

Each link will stop working after 30 days or 10 uses. You may create up to 10 links in a 30 day period.

Gift articles remaining: --

Gift article access

Each link will stop working after 30 days or 10 uses. You may create up to 10 links in a 30 day period.

Gift articles remaining: --

Gift article access

As a benefit of your subscription, you can share temporary access to restricted articles.

Each link will stop working after 30 days or 10 uses.

You have reached the limit of 10 links within a 30 day period.