Prosecution Insights
Last updated: April 19, 2026

Examiner: CHANG, THOMAS ZHU

Tech Center 3700 • Art Units: 3785

This examiner grants 54% of resolved cases

Performance Statistics

53.8%
Allow Rate
-16.2% vs TC avg
44
Total Applications
+66.7%
Interview Lift
1324
Avg Prosecution Days
Based on 13 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
20.1%
§102 Novelty
36.9%
§103 Obviousness
29.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18217007 MASSAGE APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18078287 WEARABLE DEVICE AND OPERATING METHOD THEREFOR Final Rejection SAMSUNG ELECTRONICS CO., LTD.
17682816 SYSTEMS AND METHODS FOR DETECTING USAGE INFORMATION FOR A SENSOR Non-Final OA GE Precision Healthcare LLC
18265452 CARDIOPULMONARY RESUSCITATION DECISION SUPPORT Non-Final OA KONINKLIJKE PHILIPS N.V.
17964133 CONTROLLING A HIGH FLOW NASAL THERAPY DEVICE Final Rejection KONINKLIJKE PHILIPS N.V.
17754154 PHYSIOLOGICAL INFORMATION PROCESSING SYSTEM, LIGHT EMITTING APPARATUS AND PHYSIOLOGICAL INFORMATION PROCESSING APPARATUS Non-Final OA NIHON KOHDEN CORPORATION
18267321 WEARABLE AIR PURIFIER Non-Final OA Dyson Technology Limited
18026453 VENTILATOR DEVICE WITH FRAME AND DEVICE HOUSING ACCOMMODATED ROTATABLY THEREON Non-Final OA Hamilton Medical AG
18225175 Exhalation Filtration Device with Aerosol Separator, Collection Reservoir, and Non-Rebreather Option Non-Final OA Groman Inc.
18023200 INHALER AND METHOD AND ARRANGEMENT FOR ADMINISTERING AN ACTIVE SUBSTANCE Non-Final OA Körber Technologies GMBH
18013001 EXOSKELETON SYSTEM Final Rejection OZYEGIN UNIVERSITESI
18032840 DEVICE FOR CARDIOPULMONARY RESUSCITATION, PAD, AND METHOD FOR CONTROLLING A DEVICE FOR CARDIOPULMONARY RESUSCITATION Non-Final OA WEINMANN EMERGENCY MEDICAL TECHNOLOGY GMBH + CO. KG
18040972 NASAL APPLICATOR Non-Final OA HATCHMORE LABS GMBH
17955136 METHODS AND SYSTEMS OF SUPPLYING THERAPEUTIC GAS WITH IMPROVED MOUTH SENSING Non-Final OA INCOBA, LLC

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