Canon has filed 74907 patent applications at USPTO so far (excluding Design and PCT applications). Out of these 57840 have been granted leading to the grant rate of 82.85%. The table below provides key stats of Canon’s patent prosecution at the USPTO:
Notably, the abandonment/rejection rate of Canon (17.15%) is less compared to the average rejection rate of its GAUs (20.16%). Also, the allowance rate (or Grant Index) of Canon is higher than the average grant index of USPTO and their GAUs.
Allowance rate of top 10 GAUs of Canon’s interest
Only one out of the top 10 GAUs of Canon has an allowance rate less than its average grant index. 5 among the rest of the GAUs have a grant rate greater than 90%.
| GAU | Total Applications | Allowance Rate |
| 2852 | 7272 | 95.21% |
| 2853 | 3628 | 93.75% |
| 2625 | 2058 | 89.04% |
| 2872 | 2014 | 88.93% |
| 2861 | 1367 | 96.92% |
| 2622 | 1363 | 93.68% |
| 2851 | 1139 | 94.81% |
| 2672 | 1103 | 85.49% |
| 2101 | 1090 | 64.84% |
| 2675 | 1080 | 86.48% |