Listed by the USPTO as LIU, SHUYI S
Tech Center 1700 • Art Units: 1774 1792
This examiner grants 73% of resolved cases
LIU, SHUYI S is a USPTO patent examiner in Tech Center 1700 and Art Unit 1774. The record covers 485 resolved cases, with a 73.4% allowance rate and a median of 1154 days to allowance. The allowance figure indicates that most matters reached allowance, while the median timing reflects a prosecution process that can require sustained effort.
The interview lift is 25.8%, showing a meaningful association between interviews and allowance outcomes. The listed companies are Alfa Laval, Fiberlite Centrifuge, and Flottweg. The listed firms are Birch Stewart Kolasch & Birch, BakerHostetler, and Patent Portfolio Builders. Practitioners may use interviews to clarify technical issues before making focused claim amendments.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 17897355 | Magnetic Bead Separation Method, Magnetic Bead Separation Device, And Sample Tube | Final Rejection | SEIKO EPSON CORPORATION |
| 18287304 | METHOD AND SET FOR PRODUCING A ZINC-MANGANESE DIOXIDE CELL, AND CELL PRODUCED USING SAID METHOD | Non-Final OA | VARTA MICROBATTERY GMBH |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy73.4% of resolved applications examined by Shuyi S Liu were allowed (485 resolved cases), compared with 58.5% across Art Unit 1774 over the last five years.
This examiner's interview lift is +25.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Shuyi S Liu took 1,154 days on average from filing to allowance.
Shuyi S Liu examines applications in Art Unit 1774 in Tech Center 1700 (Chemistry & Materials).