What these numbers tell you is if your application is in Art Unit 3622 or 3689 you are in for a long wait to obtain a patent. The numbers also show that if you carry the case all the way through appeal there is quite a high success rate for applicants; 66.7% when in Art Unit 3622 and 71.4% when in Art Unit 3689. It is hard to know for sure what is going on in Art Units 3622 and 3689, but one number jumps out at me as particularly alarming. In Art Unit 3689 nearly 4 out of 5 of the applications they allow require the applicant to hop on the appeal track.
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