Login with your work email address to view charts. No credit card required.
| Art Unit: | 1657 — 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 426 — Food or edible material: processes, compositions, and products 514 — Drug, bio-affecting and body treating compositions 524 — Synthetic resins or natural rubbers -- part of the class 520 series 554 — Organic compounds -- part of the class 532-570 series 436 — Chemistry: analytical and immunological testing 544 — Organic compounds -- part of the class 532-570 series 536 — Organic compounds -- part of the class 532-570 series 166 — Wells |
| Phone: | (571) 270-5533 |
| Email: | charles.constantine@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Gen Chem |
| Service: | 15 years |
| Grade: | GS-13 |
| 3-Year Grant rate: | 52% over 191 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 79th
|
With Examiner Constantine, you have a 52% chance of getting an issued patent by 3 years after the first office action. Examiner Constantine is a harder examiner and in the 79th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Constantine, 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 Constantine's grant rate is lower than that of Art Unit 1657 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Constantine | 1.8 |
| Art Unit 1657 | 1.7 |
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
Subscribe to Premium Examiner Statistics for unlimited access to our examiner statistics.
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.