Examiner Zerphey Christopher R

3799-ZERPHEY-CHRISTOPHER-R

Employment Information

Art Unit:3799 — Surgery
Group:3700 Search — Search and Classification
Classes: 165 — Heat exchange
236 — Automatic temperature and humidity regulation
600 — Surgery
454 — Ventilation
296 — Land vehicles: bodies and tops
361 — Electricity: electrical systems and devices
222 — Dispensing
366 — Agitating
206 — Special receptacle or package
252 — Compositions
Phone:(571) 272-5965
Email:christopher.zerphey@uspto.gov
Location:VA 22314
Title:Pat Examnr
Service:14 years
Grade:GS-14

Grant Rate and Difficulty Ranking

74
3-Year Grant rate: 58% over 297 cases
Difficulty: Harder
Difficulty Percentile: 74th

With Examiner Zerphey, you have a 58% chance of getting an issued patent by 3 years after the first office action. Examiner Zerphey is a harder examiner and in the 74th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Zerphey, 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 3799

Examiner Zerphey's grant rate is lower than that of Art Unit 3799 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Zerphey 1.9
Art Unit 3799 1.4

Interview Benefit

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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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