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Home / Examiner: CHAN, KO HUNG
Last updated: August 18, 2026

Examiner: CHAN, KO HUNG

Tech Center 3700 • Art Units: 3631 3632 3637 3654 3735 3736

This examiner grants 66% of resolved cases

Performance Statistics

66.4%
Allow Rate
-3.6% vs TC avg
1,310
Total Applications
+15.3%
Interview Lift
797
Avg Prosecution Days
Based on 1280 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
31.0%
§102 Novelty
40.2%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18946513 DEVICES, SYSTEMS, AND METHODS FOR HANGING FLUID RESERVOIRS IN SYSTEMS TO SUPPLY FLUIDS TO AN ENDOSCOPE Non-Final OA Boston Scientific Scimed, Inc.
18918718 WAREWASH RACK SYSTEM AND WAREWASHER WITH ASSOCIATED WAREWASH RACK SYSTEM Final Rejection ILLINOIS TOOL WORKS INC.
19052543 SECTOR FRAME ANTENNA MOUNT ASSEMBLIES Non-Final OA Outdoor Wireless Networks LLC
18936401 Customizable Shower Caddy Non-Final OA House of Atlas, LLC
18610020 Customizable Shower Caddy Non-Final OA House of Atlas, LLC
19011496 Taco Holder Non-Final OA Smart Packaging, LLC

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

Data: USPTO Patent File Wrapper (daily) • Office Action Archive (weekly) • 89M+ prosecution events

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