Canon has filed 79060 patent applications at USPTO so far (excluding Design and PCT applications). Out of these 60265 have been granted leading to the grant rate of 82.79%.
The table below provides key stats of Canon’s patent prosecution at the USPTO:
Let’s see how Canon fares when compared with the average grant index of USPTO and their GAUs:
The table below has the allowance rate of the top 10 GAUs of Canon’s interest. Only one GAU has an allowance rate less than the average grant index of Canon.
| GAU | Total Applications | Allowance Rate |
| 2852 | 7972 | 94.86% |
| 2853 | 3892 | 93.55% |
| 2872 | 2122 | 89.16% |
| 2625 | 2069 | 88.99% |
| 2861 | 1382 | 96.96% |
| 2622 | 1371 | 93.64% |
| 2675 | 1206 | 87.14% |
| 2672 | 1194 | 86.48% |
| 2851 | 1147 | 94.85% |
| 2101 | 1122 | 63.74% |