| China Intellectual Property Statistical Yearbook 2022 |  |
| 6-4 Received PCT International Applications | ||||
| (Unit: piece) | ||||
| Regions | 2021 | 2022 | ||
| Total | 73434 | 74452 | ||
| Domestic | Sub-total | 68338 | 69115 | |
| Beijing | 10358 | 11463 | ||
| Tianjin | 444 | 577 | ||
| Hebei | 461 | 464 | ||
| Shanxi | 77 | 65 | ||
| Inner Mongolia | 37 | 88 | ||
| Liaoning | 373 | 337 | ||
| Jilin | 343 | 475 | ||
| Heilongjiang | 95 | 92 | ||
| Shanghai | 4830 | 5591 | ||
| Jiangsu | 7168 | 6986 | ||
| Zhejiang | 4675 | 4316 | ||
| Anhui | 2007 | 1880 | ||
| Fujian | 1768 | 3055 | ||
| Jiangxi | 140 | 138 | ||
| Shandong | 3244 | 3380 | ||
| Henan | 232 | 212 | ||
| Hubei | 1691 | 1371 | ||
| Hunan | 849 | 648 | ||
| Guangdong | 26079 | 24290 | ||
| Guangxi | 127 | 163 | ||
| Hainan | 396 | 78 | ||
| Chongqing | 393 | 451 | ||
| Sichuan | 708 | 826 | ||
| Guizhou | 70 | 246 | ||
| Yunnan | 119 | 163 | ||
| Tibet | 3 | 29 | ||
| Shaanxi | 481 | 542 | ||
| Gansu | 32 | 36 | ||
| Qinghai | 3 | 9 | ||
| Ningxia | 17 | 25 | ||
| Xinjiang | 50 | 50 | ||
| Taiwan | 448 | 393 | ||
| Hong Kong | 607 | 646 | ||
| Macao | 13 | 30 | ||
| Foreign | Sub-total | 5096 | 5337 | |
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