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| Art Unit: | 1779 — Liquid purification or separation |
|---|---|
| Group: | 1770 — Chemical Apparatus, Separation and Purification, Liquid and Gas Contact Apparatus |
| Classes: |
210 — Liquid purification or separation 209 — Classifying, separating, and assorting solids 423 — Chemistry of inorganic compounds 204 — Chemistry: electrical and wave energy 435 — Chemistry: molecular biology and microbiology 514 — Drug, bio-affecting and body treating compositions 208 — Mineral oils: processes and products 526 — Synthetic resins or natural rubbers -- part of the class 520 series 524 — Synthetic resins or natural rubbers -- part of the class 520 series 534 — Organic compounds -- part of the class 532-570 series |
| Phone: | (571) 270-5952 |
| Email: | clare.perrin@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Gen Chem |
| Service: | 14 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 70% over 305 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 61st
|
With Examiner Perrin, you have a 70% chance of getting an issued patent by 3 years after the first office action. Examiner Perrin is a harder examiner and in the 61st percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Perrin, 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 Perrin's grant rate is higher than that of Art Unit 1779 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Perrin | 1.7 |
| Art Unit 1779 | 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.