Listed by the USPTO as ZHENG, LI
Tech Center 1600 • Art Units: 1638 1662
This examiner grants 84% of resolved cases
ZHENG, LI works in Tech Center 1600 and Art Unit 1638. The record contains 1281 resolved cases and an allowance rate of 83.5%. The median time to allowance is 936 days, which provides a useful prosecution-timing benchmark for applicants with matters before this examiner.
The interview lift is 13.0%, suggesting that interviews have a modest association with allowance outcomes in this record. Practitioners can use interviews to sharpen the issues for examination, while relying on the written record to preserve the substantive position. The represented organizations include Massachusetts Institute of Technology, Syngenta AG, and BASF SE. The listed firms are DENTONS US LLP, TROUTMAN PEPPER LOCKE LLP, and Arnold & Porter Kaye Scholer LLP.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18980117 | Wheat Variety PMWH111720248 | Final Rejection | BASF SE |
| 18980168 | Wheat Variety PMWH149312414 | Final Rejection | BASF SE |
| 18986369 | MODIFIED VIP3 POLYPEPTIDES | Non-Final OA | Syngenta Crop Protection AG |
| 18978476 | ENGINEERED PESTICIDAL PROTEINS AND METHODS OF CONTROLLING PLANT PESTS | Non-Final OA | Syngenta Participations AG |
| 18755523 | PLANTS WITH INCREASED WATER USE EFFICIENCY | Non-Final OA | The Regents of the University of California |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy83.5% of resolved applications examined by Li Zheng were allowed (1,281 resolved cases), compared with 48.8% across Art Unit 1638 over the last five years.
This examiner's interview lift is +13.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Li Zheng took 936 days on average from filing to allowance.
Li Zheng examines applications in Art Unit 1638 in Tech Center 1600 (Biotechnology & Pharmaceuticals).
