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| Art Unit: | 1797 — Chemistry: analytical and immunological testing |
|---|---|
| Group: | 1790 — Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry |
| Classes: |
436 — Chemistry: analytical and immunological testing 422 — Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing 435 — Chemistry: molecular biology and microbiology 702 — Data processing: measuring, calibrating, or testing 506 — Combinatorial chemistry technology: method, library, apparatus 204 — Chemistry: electrical and wave energy 600 — Surgery 348 — Television 205 — Electrolysis: processes, compositions used therein, and methods of preparing the compositions 423 — Chemistry of inorganic compounds |
| Phone: | (571) 270-5560 |
| Email: | xiaoyun.xu@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Gen Chem |
| Service: | 18 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 68% over 424 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 64th
|
With Examiner Xu, you have a 68% chance of getting an issued patent by 3 years after the first office action. Examiner Xu is a harder examiner and in the 64th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Xu, 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 Xu's grant rate is lower than that of Art Unit 1797 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Xu | 1.7 |
| Art Unit 1797 | 1.5 |
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Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
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