Listed by the USPTO as FAN, WEIHUA
Tech Center 1600 • Art Units: 1662 1663
This examiner grants 83% of resolved cases
FAN, WEIHUA is assigned to technology center 1600 and art unit 1662. The profile includes 663 resolved cases, a 83.3% allowance rate, an interview lift of 12.7%, and a median of 934 days to allowance. The substantial case history and favorable allowance outcome indicate a consistent prosecution pattern, while the interview measure shows a limited positive association.
Enza Zaden Beheer B.V., Pioneer Hi-bred International Inc., and University of Massachusetts are among the listed companies. The principal firms are ARENTFOX SCHIFF LLP, FOLEY HOAG, LLP (General), and Clark+Elbing LLP. Practitioners can use interviews for clarification but should continue to emphasize precise written claim presentation. The median timing supports advance planning for prosecution milestones despite the favorable historical allowance measure.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 17351374 | METHOD FOR TREATING POST-EMERGENT RICE | Non-Final OA | BASF SE |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy83.3% of resolved applications examined by Weihua Fan were allowed (663 resolved cases), compared with 63.0% across Art Unit 1662 over the last five years.
This examiner's interview lift is +12.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Weihua Fan took 934 days on average from filing to allowance.
Weihua Fan examines applications in Art Unit 1662 in Tech Center 1600 (Biotechnology & Pharmaceuticals).