Below is a weighted histogram (by number of cases) of the 3-year grant rates of the examiners in Group 1640. The average is 56% and the standard deviation is 13%.
Group 1640's grant rate is lower than that of TC 1600 and lower than that of the USPTO.
Below is the grant rate timeline for Group 1640, where the timeline is relative to the date of the first office action. The three-year grant rate is the percentage of applications granted at three years after the first office action.
Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
no circumstances will we be liable for any outcome resulting from your reliance on the above statistics.