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| Art Unit: | 1796 — Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing |
|---|---|
| Group: | 1790 — Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry |
| Classes: |
422 — Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing 600 — Surgery 239 — Fluid sprinkling, spraying, and diffusing 220 — Receptacles 134 — Cleaning and liquid contact with solids 700 — Data processing: generic control systems or specific applications 340 — Communications: electrical 604 — Surgery 702 — Data processing: measuring, calibrating, or testing |
| Phone: | (571) 272-1201 |
| Email: | changru.chen@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 5 years |
| Grade: | GS-07 |
| 3-Year Grant rate: | 29% over 68 cases |
|---|---|
| Difficulty: | Very Hard |
| Difficulty Percentile: | 90th
|
With Examiner Chen, you have a 29% chance of getting an issued patent by 3 years after the first office action. Examiner Chen is a very hard examiner and in the 90th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Chen, 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 Chen's grant rate is lower than that of Art Unit 1796 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Chen | 2.4 |
| Art Unit 1796 | 1.8 |
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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.