Prosecution Insights
Last updated: August 18, 2026

Examiner: LIU, CHU CHUAN

Tech Center 3700 • Art Units: 1796 3735 3774 3777 3791

This examiner grants 71% of resolved cases

Performance Statistics

71.3%
Allow Rate
+1.3% vs TC avg
806
Total Applications
+14.2%
Interview Lift
1231
Avg Prosecution Days
Based on 776 resolved cases, 2023–2026

Rejection Statute Breakdown

10.6%
§101 Eligibility
14.1%
§102 Novelty
37.1%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19390607 RING-TYPE WEARABLE DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18774316 ELECTRONIC DEVICE FOR BODY TEMPERATURE MEASUREMENT AND OPERATION METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
17944582 DEEP TISSUE OPTICAL SENSING DEVICES AND METHODS Final Rejection Cardiac Pacemakers, Inc.
18563428 METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR ANALYZING A PULSE WAVE SIGNAL Final Rejection KONINKLIJKE PHILIPS N.V.
19291405 Oximeter with Measurement Quality Reporting Final Rejection ViOptix, Inc.
18753986 Determining Absolute and Relative Tissue Oxygen Saturation Non-Final OA ViOptix, Inc.
18894772 PHYSIOLOGICAL MEASUREMENT SYSTEM WITH AUTOMATIC WAVELENGTH ADJUSTMENT Non-Final OA WILLOW LABORATORIES, INC.
18437595 SYSTEM AND METHOD FOR REDUCING CGM WARM-UP TIME BY APPLICATION OF OPTICAL ENERGY Final Rejection Insulet Corporation
18882092 USER-WORN DEVICE FOR NONINVASIVELY MEASURING A PHYSIOLOGICAL PARAMETER OF A USER Non-Final OA Masimo Corporation
18822614 PUPILLOMETER Non-Final OA The Trustees of the University of Pennsylvania
18427880 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY COMPRISING LINEAR VARIABLE FILTER Final Rejection Apollon Inc.
18427879 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY COMPRISING FILTER ARRAY Final Rejection Apollon Inc.
18427873 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY Non-Final OA Apollon Inc.
18427883 METHOD FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY Non-Final OA Apollon Inc.
18427912 RAMAN SPECTROSCOPY METHOD FOR BLOOD GLUCOSE MEASUREMENT Non-Final OA Apollon Inc.
18841563 ABNORMALITY DETERMINATION MODEL GENERATION METHOD, ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD, AND TRAINED MODEL Non-Final OA MINEBEA MITSUMI Inc.
18849534 ENERGY-EFFICIENT ANALYTE DETECTION SYSTEM Non-Final OA MEDTRUM TECHNOLOGIES INC.
18236655 DEVICE FOR THE DETECTION OF AT LEAST ONE ANALYTE IN A SAMPLE Non-Final OA digid GmbH

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