Listed by the USPTO as XU, QING
Tech Center 1600 • Art Units: 1653 1655 1656
This examiner grants 51% of resolved cases
Qing Xu manages cases in Tech Center 1600 and Art Unit 1653, with 289 resolved cases. The examiner has an allowance rate of 50.9% and a median days to allowance of 1318. This timeline is an important consideration for applicants in the chemical and biological fields. The 1318-day median serves as a benchmark for prosecution duration.
The interview lift of 55.2% is high, suggesting that interviews are a vital tool for overcoming rejections. BASF SE, The University of Tokyo, and Carnegie Mellon University are the top companies in his portfolio. These entities have navigated the 50.9% allowance rate across 289 resolved cases.
Firms like FOLEY & LARDNER LLP, COOLEY LLP, and DYKEMA GOSSETT PLLC are frequently involved. Given the 55.2% interview lift, practitioners should prioritize examiner interviews to improve outcomes. These statistics from Tech Center 1600 provide essential insights for navigating the prosecution process.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 17780412 | METHODS AND COMPOSITIONS FOR PROMOTING PLANT GROWTH AND ROOT NODULATION | Non-Final OA | BASF Corporation |
| 17421917 | FERMENTATION BROTHS AND THEIR USE | Final Rejection | EVONIK OPERATIONS GMBH |
| 18286315 | OPTICAL CLEARING AND AUTO-FLUORESCENCE QUENCHING SOLUTIONS AND METHOD OF USE FOR ENHANCED MICROSCOPY IMAGING OF BIOLOGICAL TISSUES | Non-Final OA | CORNELL UNIVERSITY |
| 18503854 | BIOREMEDIATION USING CO-METABOLISM SUBSTRATES | Final Rejection | North Carolina State University |
| 17778452 | POLYPEPTIDES HAVING PROTEOLYTIC ACTIVITY AND USE THEREOF | Non-Final OA | Novozymes A/S |
| 18007689 | METHOD AND KIT FOR QUANTIFICATION OF LIPOPROTEIN CHOLESTEROL | Final Rejection | Denka Company Limited |
| 18450986 | SYSTEMS AND METHODS FOR METHANOL PRODUCTION | Final Rejection | WasteFuel Global LLC |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy50.9% of resolved applications examined by Qing Xu were allowed (289 resolved cases), compared with 23.5% across Art Unit 1653 over the last five years.
This examiner's interview lift is +55.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Qing Xu took 1,318 days on average from filing to allowance.
Qing Xu examines applications in Art Unit 1653 in Tech Center 1600 (Biotechnology & Pharmaceuticals).
