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| Art Unit: | 1722 — Chemistry: electrical current producing apparatus, product, and process |
|---|---|
| Group: | 1720 — Fuel Cells, Battery, Flammable Gas, Electrophotography, Photolithography |
| Classes: |
136 — Batteries: thermoelectric and photoelectric 429 — Chemistry: electrical current producing apparatus, product, and process 257 — Active solid-state devices (e.g., transistors, solid-state diodes) 428 — Stock material or miscellaneous articles 359 — Optical: systems and elements 438 — Semiconductor device manufacturing: process |
| Phone: | (408) 918-7559 |
| Email: | christina.chern@uspto.gov |
| Location: | CA 95113 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 17 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 41% over 191 cases |
|---|---|
| Difficulty: | Very Hard |
| Difficulty Percentile: | 86th
|
With Examiner Chern, you have a 41% chance of getting an issued patent by 3 years after the first office action. Examiner Chern is a very hard examiner and in the 86th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Chern, 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 Chern's grant rate is lower than that of Art Unit 1722 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Chern | 2.0 |
| Art Unit 1722 | 1.5 |
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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.