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| Art Unit: | 2845 — Communications: radio wave antennas |
|---|---|
| Group: | 2830-2840 — Electrical Circuits and Systems |
| Classes: |
315 — Electric lamp and discharge devices: systems 326 — Electronic digital logic circuitry 343 — Communications: radio wave antennas 257 — Active solid-state devices (e.g., transistors, solid-state diodes) 706 — Data processing: artificial intelligence 342 — Communications: directive radio wave systems and devices (e.g., radar, radio navigation) 711 — Electrical computers and digital processing systems: memory 323 — Electricity: power supply or regulation systems 116 — Signals and indicators 708 — Electrical computers: arithmetic processing and calculating |
| Phone: | (571) 272-1801 |
| Email: | daniel.chang@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Elctrl Engrg |
| Service: | 28 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 94% over 568 cases |
|---|---|
| Difficulty: | Extremely Easy |
| Difficulty Percentile: | 8th
|
With Examiner Chang, you have a 94% chance of getting an issued patent by 3 years after the first office action. Examiner Chang is an extremely easy examiner and in the 8th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Chang, 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 Chang's grant rate is higher than that of Art Unit 2845 and higher than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Chang | 0.9 |
| Art Unit 2845 | 0.9 |
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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.