Examiner Kirkwood Spencer Hammett

3761-KIRKWOOD-SPENCER-HAMMETT

Employment Information

Art Unit:3761 — Electric heating
Group:3760 — Refrigeration, Vaporization, Ventilation, and Combustion
Classes: 219 — Electric heating
392 — Electric resistance heating devices
264 — Plastic and nonmetallic article shaping or treating: processes
373 — Industrial electric heating furnaces
425 — Plastic article or earthenware shaping or treating: apparatus
427 — Coating processes
428 — Stock material or miscellaneous articles
Phone:(469) 295-9113
Email:spencer.kirkwood@uspto.gov
Title:Pat Examnr Mechl Engrg
Service:11 years
Grade:GS-07

Grant Rate and Difficulty Ranking

80
3-Year Grant rate: 50% over 134 cases
Difficulty: Harder
Difficulty Percentile: 80th

With Examiner Kirkwood, you have a 50% chance of getting an issued patent by 3 years after the first office action. Examiner Kirkwood is a harder examiner and in the 80th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Kirkwood, 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 3761

Examiner Kirkwood's grant rate is lower than that of Art Unit 3761 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Kirkwood 2.4
Art Unit 3761 1.7

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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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