Login with your work email address to view charts. No credit card required.
| Art Unit: | 1733 — Metal treatment |
|---|---|
| Group: | 1730 — Metallurgy, Metal Working, Inorganic Chemistry, Catalyst, Electrophotography, Photolithography |
| Classes: |
148 — Metal treatment 420 — Alloys or metallic compositions 266 — Metallurgical apparatus 428 — Stock material or miscellaneous articles 403 — Joints and connections 623 — Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor 427 — Coating processes 106 — Compositions: coating or plastic 438 — Semiconductor device manufacturing: process 451 — Abrading |
| Phone: | (571) 272-1248 |
| Email: | lois.zheng@uspto.gov |
| Location: | VA 22314 |
| Title: | Pat Examnr Cheml Engrg |
| Service: | 22 years |
| Grade: | GS-14 |
| 3-Year Grant rate: | 68% over 194 cases |
|---|---|
| Difficulty: | Harder |
| Difficulty Percentile: | 63rd
|
With Examiner Zheng, you have a 68% chance of getting an issued patent by 3 years after the first office action. Examiner Zheng is a harder examiner and in the 63rd percentile across all examiners (with 100th percentile most difficult).
Below is the grant rate timeline for Examiner Zheng, 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 Zheng's grant rate is higher than that of Art Unit 1733 and lower than that of the USPTO.
| Average Office Actions Per Grant | |
|---|---|
| Examiner Zheng | 1.7 |
| Art Unit 1733 | 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.