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| Art Unit: | 2455 — Electrical computers and digital processing systems: multicomputer data transferring |
|---|---|
| Group: | 2440-2450 — Computer Networks |
| Classes: |
709 — Electrical computers and digital processing systems: multicomputer data transferring 726 — Information security 718 — Electrical computers and digital processing systems: virtual machine task or process management or task management/control 713 — Electrical computers and digital processing systems: support 708 — Electrical computers: arithmetic processing and calculating 380 — Cryptography 701 — Data processing: vehicles, navigation, and relative location 705 — Data processing: financial, business practice, management, or cost/price determination 434 — Education and demonstration 707 — Data processing: database and file management or data structures |
| Phone: | (571) 270-5938 |
| Email: | tom.chang@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Compr Engrg |
| Service: | 18 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 63% over 172 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 69th
|
With Examiner Chang, you have a 63% chance of getting an issued patent by 3 years after the first office action. Examiner Chang is a harder examiner and in the 69th 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 lower than that of Art Unit 2455 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Chang | 2.2 |
| Art Unit 2455 | 1.6 |
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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.