Prosecution Insights
Last updated: August 18, 2026

Examiner: CHEN, CHANGRU

Tech Center 1700 • Art Units: 1759 1796

This examiner grants 50% of resolved cases

Performance Statistics

49.5%
Allow Rate
-15.5% vs TC avg
132
Total Applications
+37.5%
Interview Lift
1322
Avg Prosecution Days
Based on 99 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
15.9%
§102 Novelty
63.9%
§103 Obviousness
18.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18404664 DETACHABLE CHEMICAL FILTERS Final Rejection Samsung Electronics Co., Ltd.
17664110 RECORDING DEVICE Non-Final OA SEIKO EPSON CORPORATION
17797307 STERILIZING DEVICE AND METHOD FOR STERILIZING AN OUTER FACE OF A RECEPTACLE Non-Final OA Syntegon Technology GmbH
18573689 METHOD FOR SUPPRESSING VIRUS ACTION AND APPARATUS FOR DELIVERING VIRUS ACTION SUPPRESSING COMPONENT Non-Final OA SHARP KABUSHIKI KAISHA
18574348 ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND CONTROL METHOD Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18784991 DISINFECTING AND VIRUS INACTIVATING DEVICE, AIR-CONDITIONING APPARATUS INCLUDING DISINFECTING AND VIRUS INACTIVATING DEVICE THEREON, AND DISINFECTION AND VIRUS INACTIVATION METHOD Final Rejection Mitsubishi Electric Corporation
18443511 Skin Disinfectant Wipe Final Rejection Becton, Dickinson and Company
18426599 UV STERILIZATION SYSTEM AND MONITORING METHOD Non-Final OA WISTRON CORPORATION
18605676 ULTRASONIC-ASSISTED HYDROGEN PEROXIDE STERILIZATION METHOD AND DEVICE Non-Final OA ZHEJIANG UNIVERSITY

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