Login with your work email address to view charts. No credit card required.
| Art Unit: | 3747 — Internal-combustion engines |
|---|---|
| Group: | 3740 — Thermal & Combustion Technology, Motive & Fluid Power Systems |
| Classes: |
123 — Internal-combustion engines 701 — Data processing: vehicles, navigation, and relative location 315 — Electric lamp and discharge devices: systems 440 — Marine propulsion 361 — Electricity: electrical systems and devices 324 — Electricity: measuring and testing 219 — Electric heating 365 — Static information storage and retrieval 431 — Combustion 374 — Thermal measuring and testing |
| Phone: | (571) 272-8215 |
| Email: | joshua.campbell1@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Mechl Engrg |
| Service: | 13 years |
| Grade: | GS-13 |
| 3-Year Grant rate: | 49% over 224 cases |
|---|---|
| Difficulty: | Very Hard |
| Difficulty Percentile: | 81st
|
With Examiner Campbell, you have a 49% chance of getting an issued patent by 3 years after the first office action. Examiner Campbell is a very hard examiner and in the 81st percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Campbell, 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.
Examiner Campbell's grant rate is lower than that of Art Unit 3747 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Campbell | 2.7 |
| Art Unit 3747 | 1.1 |
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
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.