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| Art Unit: | 1773 — Liquid purification or separation |
|---|---|
| Group: | 1770 — Chemical Apparatus, Separation and Purification, Liquid and Gas Contact Apparatus |
| Classes: |
210 — Liquid purification or separation 216 — Etching a substrate: processes 604 — Surgery 264 — Plastic and nonmetallic article shaping or treating: processes 422 — Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing |
| Phone: | (571) 272-8885 |
| Email: | eric.mccullough@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 13 years |
| Grade: | GS-13 |
| 3-Year Grant rate: | 24% over 194 cases |
|---|---|
| Difficulty: | Extremely Hard |
| Difficulty Percentile: | 92nd
|
With Examiner Mccullough, you have a 24% chance of getting an issued patent by 3 years after the first office action. Examiner Mccullough is an extremely hard examiner and in the 92nd percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Mccullough, 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 Mccullough's grant rate is lower than that of Art Unit 1773 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Mccullough | 2.9 |
| Art Unit 1773 | 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.