Examiner Berke-Schlessel David W

1651-BERKE-SCHLESSEL-DAVID-W

Employment Information

Art Unit:1651 — Chemistry: molecular biology and microbiology
Group:1650 — Enzymology, Microbiology, and Fermentation, Small Peptides and Bioacting Plant, Microbial and Animal Extracts
Classes: 435 — Chemistry: molecular biology and microbiology
424 — Drug, bio-affecting and body treating compositions
426 — Food or edible material: processes, compositions, and products
514 — Drug, bio-affecting and body treating compositions
530 — Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
353 — Optics: image projectors
405 — Hydraulic and earth engineering
210 — Liquid purification or separation
623 — Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
604 — Surgery
Phone:(571) 270-3643
Email:david.berke-schlessel@uspto.gov
Location:VA 22314
Title:Pat Examnr Gen Chem
Service:14 years
Grade:GS-14

Grant Rate and Difficulty Ranking

55
3-Year Grant rate: 74% over 367 cases
Difficulty: Medium
Difficulty Percentile: 55th

With Examiner Berke-Schlessel, you have a 74% chance of getting an issued patent by 3 years after the first office action. Examiner Berke-Schlessel is a medium examiner and in the 55th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Berke-Schlessel, 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.

Comparison with Art Unit 1651

Examiner Berke-Schlessel's grant rate is higher than that of Art Unit 1651 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Berke-Schlessel 1.5
Art Unit 1651 1.7

Interview Benefit

Purchase Subscription

Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.

Recent Dispositions

Purchase Subscription

Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.

Appeals Statistics

Purchase Subscription

Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.

Appeal History

Purchase Subscription

Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.

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.

Loading...