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| Art Unit: | 1765 — Synthetic resins or natural rubbers -- part of the class 520 series |
|---|---|
| Group: | 1760 — Organic Chemistry, Polymers, Compositions |
| Classes: |
525 — Synthetic resins or natural rubbers -- part of the class 520 series 528 — Synthetic resins or natural rubbers -- part of the class 520 series 524 — Synthetic resins or natural rubbers -- part of the class 520 series 473 — Games using tangible projectile 523 — Synthetic resins or natural rubbers -- part of the class 520 series 428 — Stock material or miscellaneous articles 526 — Synthetic resins or natural rubbers -- part of the class 520 series 105 — Railway rolling stock 600 — Surgery 399 — Electrophotography |
| Phone: | (571) 272-1084 |
| Email: | david.buttner@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 39 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 68% over 432 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 64th
|
With Examiner Buttner, you have a 68% chance of getting an issued patent by 3 years after the first office action. Examiner Buttner is a harder examiner and in the 64th percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Buttner, 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 Buttner's grant rate is lower than that of Art Unit 1765 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Buttner | 1.7 |
| Art Unit 1765 | 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.