Examiner Darby Brendon Charles

1749-DARBY-BRENDON-CHARLES

Employment Information

Art Unit:1749 — Resilient tires and wheels
Group:1740 — Tires, Adhesive Bonding, Glass/Paper making, Plastics Shaping & Molding
Classes: 152 — Resilient tires and wheels
429 — Chemistry: electrical current producing apparatus, product, and process
Phone:Available with subscription
Email:Available with subscription
Title:Pat Examnr Cheml Engrg
Service:5 years
Grade:GS-11

Grant Rate and Difficulty Ranking

82
3-Year Grant rate: 47% over 94 cases
Difficulty: Very Hard
Difficulty Percentile: 82nd

With Examiner Darby, you have a 47% chance of getting an issued patent by 3 years after the first office action. Examiner Darby is a very hard examiner and in the 82nd percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Darby, 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 1749

Examiner Darby's grant rate is lower than that of Art Unit 1749 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Darby 2.2
Art Unit 1749 2.1

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Recent Dispositions

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Appeals Statistics

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Appeal History

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Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
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