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| Art Unit: | 1723 — Chemistry: electrical current producing apparatus, product, and process |
|---|---|
| Group: | 1720 — Fuel Cells, Battery, Flammable Gas, Electrophotography, Photolithography |
| Classes: |
429 — Chemistry: electrical current producing apparatus, product, and process 320 — Electricity: battery or capacitor charging or discharging 454 — Ventilation 224 — Package and article carriers |
| Phone: | (571) 272-6649 |
| Email: | ling.zeng@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 14 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 86% over 242 cases |
|---|---|
| Difficulty: | Easier |
| Difficulty Percentile: | 29th
|
With Examiner Zeng, you have a 86% chance of getting an issued patent by 3 years after the first office action. Examiner Zeng is an easier examiner and in the 29th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Zeng, 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 Zeng's grant rate is higher than that of Art Unit 1723 and higher than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Zeng | 1.3 |
| Art Unit 1723 | 1.7 |
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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.