Examiner: DUNN, DREW A

Analysis

Drew A. Dunn presents a very challenging prosecution environment in Art Unit 2859, with an allowance rate of only 14.3% across 84 resolved cases. The interview lift is a modest 3.9%, and the median days to allowance is 1276. These figures suggest that securing a patent from this examiner in Tech Center 2800 is difficult.

The 14.3% allowance rate indicates that most applications will result in abandonment. Even with a 3.9% lift from interviews, the probability of success remains low. Practitioners should be prepared for a long and difficult prosecution process with a very uncertain outcome.

With 84 resolved cases, the data provides a clear picture of the restrictive nature of examination in this unit. The 1276-day median pendency for successful cases further highlights the persistence required. Strategy should focus on addressing the examiner's specific concerns in writing, as the 3.9% interview lift offers limited benefit.