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| Art Unit: | 3674 — Wells |
|---|---|
| Group: | 3670 — Wells, Earth Boring/Moving/Working, Excavating, Mining, Harvesters, Bridges, Roads, Petroleum, Closures, Connections, and Hardware |
| Classes: |
166 — Wells 175 — Boring or penetrating the earth 507 — Earth boring, well treating, and oil field chemistry 106 — Compositions: coating or plastic 521 — Synthetic resins or natural rubbers -- part of the class 520 series 428 — Stock material or miscellaneous articles |
| Phone: | (571) 272-2182 |
| Email: | angela.leff@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 20 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 73% over 362 cases |
|---|---|
| Difficulty: | Medium |
| Difficulty Percentile: | 57th
|
With Examiner Leff, you have a 73% chance of getting an issued patent by 3 years after the first office action. Examiner Leff is a medium examiner and in the 57th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Leff, 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 Leff's grant rate is lower than that of Art Unit 3674 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Leff | 2.4 |
| Art Unit 3674 | 1.4 |
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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.