Listed by the USPTO as CHOY, KA SHAN
Tech Center 2400 • Art Units: 2400 2435
This examiner grants 93% of resolved cases
CHOY, KA SHAN has resolved 275 cases in Tech Center 2400 and Art Unit 2400. The allowance rate is 93.1%, and the median time to allowance is 790 days. The recorded outcomes show a high rate of allowance among resolved matters, with a prosecution timeline that remains material despite that outcome.
The interview lift is 10.0%, so interviews have a more limited measured association with allowance than the overall allowance result. The leading companies are Centripetal Networks LLC, Hyland UK Operations Limited, and Zpaper Inc. The leading firms are BANNER & WITCOFF, LTD., Bekiares Eliezer LLP, and FERGUSON CASE ORR PATERSON LLP. Counsel may emphasize efficient written prosecution while using interviews selectively.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18999728 | Efficient Threat Context-Aware Packet Filtering for Network Protection | Non-Final OA | Centripetal Networks, LLC |
| 18950296 | APPLICATION OF SECURITY PARAMETERS FOR CONTENT | Non-Final OA | Hyland UK Operations Limited |
| 18999133 | PROTECTION OF DOCUMENTS BY QR CODE-BASED STAMP | Non-Final OA | zPaper, Inc. |
| 18676422 | SYSTEMS AND METHODS FOR NETWORK TRAFFIC FINGERPRINTING AND ASSOCIATED SECURITY ACTIONS | Final Rejection | FoxIO, LLC |
| 18378615 | System and Methods Involving Features of Hardware Virtualization, Hypervisors, APIs of Interest and/or Other Features | Final Rejection | Lynx Software Technologies |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy93.1% of resolved applications examined by Ka Shan Choy were allowed (275 resolved cases), compared with 49.8% across Art Unit 2400 over the last five years.
This examiner's interview lift is +10.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Ka Shan Choy took 790 days on average from filing to allowance.
Ka Shan Choy examines applications in Art Unit 2400 in Tech Center 2400 (Networking & Security).