Microsoft has filed 61465 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 43567 have been granted leading to the grant rate of 78.96%.
Here is a comparison between average grant rate of the USPTO, Art Units where Microsoft files patents, and grant rate of Microsoft.
The table below has the allowance rate of the top 15 Art Units of Microsoft’s interest. 7 of the top 15 GAUs has an allowance rate less than Microsoft’s average grant index.
| Art Unit | Total Apps | Allowance Rate |
| 2624 | 954 | 93.23% |
| 2194 | 942 | 84.32% |
| 2191 | 883 | 81.78% |
| 2176 | 850 | 79.87% |
| 2626 | 839 | 85.99% |
| 2192 | 833 | 83.29% |
| 2162 | 825 | 87.53% |
| 2173 | 778 | 75.87% |
| 2628 | 765 | 88.8% |
| 2178 | 712 | 73.94% |
| 2161 | 705 | 75.0% |
| 2175 | 667 | 76.85% |
| 2179 | 631 | 63.51% |
| 2165 | 624 | 74.3% |
| 2174 | 621 | 62.29% |