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| Art Unit: | 1652 — Chemistry: molecular biology and microbiology |
|---|---|
| Group: | 1650 — Enzymology, Microbiology, and Fermentation, Small Peptides and Bioacting Plant, Microbial and Animal Extracts |
| Classes: |
435 — Chemistry: molecular biology and microbiology 424 — Drug, bio-affecting and body treating compositions 510 — Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions 530 — Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof 524 — Synthetic resins or natural rubbers -- part of the class 520 series 426 — Food or edible material: processes, compositions, and products 514 — Drug, bio-affecting and body treating compositions 554 — Organic compounds -- part of the class 532-570 series 585 — Chemistry of hydrocarbon compounds 536 — Organic compounds -- part of the class 532-570 series |
| Phone: | (571) 272-5141 |
| Email: | todd.epstein@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Gen Chem |
| Service: | 14 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 50% over 358 cases |
|---|---|
| Difficulty: | Very Hard |
| Difficulty Percentile: | 81st
|
With Examiner Epstein, you have a 50% chance of getting an issued patent by 3 years after the first office action. Examiner Epstein is a very hard examiner and in the 81st percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Epstein, 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 Epstein's grant rate is lower than that of Art Unit 1652 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Epstein | 1.8 |
| Art Unit 1652 | 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.