Listed by the USPTO as TSUI, ALFRED H
Tech Center 3600 • Art Units: 3621 3626 3671 3681 3685
This examiner grants 33% of resolved cases
TSUI, ALFRED H is a USPTO patent examiner in Tech Center 3600 and art unit 3621. The profile covers 206 resolved cases, an allowance rate of 33.0%, and a median of 1553 days to allowance. The interview lift is 32.5%, indicating a positive association between interviews and allowance outcomes despite the lower overall allowance rate.
The listed companies are Caterpillar Inc., Granfoss AS, and Brandt Industries Canada Ltd. The listed firms are DILWORTH IP, LLC, FBT Gibbons LLP, and YOUNG BASILE. The allowance rate and median timing support early attention to claim scope and fallback positions. The interview result suggests that well-prepared discussions may help address prosecution obstacles.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18436386 | PLANTER FLEXION IDENTIFICATION | Final Rejection | DEERE & COMPANY |
| 18540559 | SNOW WING LINKAGE | Non-Final OA | Caterpillar Inc. |
| 18470692 | CORNER SEGMENT | Non-Final OA | Caterpillar Inc. |
| 18164592 | THREE-POINT HITCH HOOK UP ASSIST SYSTEM | Final Rejection | Caterpillar Inc. |
| 18009166 | Soil-Working Device for Row Crops | Final Rejection | Amazonen-Werke H. Dreyer SE & Co. KG |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy33.0% of resolved applications examined by Alfred H Tsui were allowed (206 resolved cases), compared with 25.4% across Art Unit 3621 over the last five years.
This examiner's interview lift is +32.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Alfred H Tsui took 1,553 days on average from filing to allowance.
Alfred H Tsui examines applications in Art Unit 3621 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).
