Prosecution Insights
Last updated: April 19, 2026

Examiner: LIU, CHU CHUAN

Tech Center 3700 • Art Units: 3735 3774 3777 3791

This examiner grants 71% of resolved cases

Performance Statistics

71.0%
Allow Rate
+1.0% vs TC avg
793
Total Applications
+13.0%
Interview Lift
1267
Avg Prosecution Days
Based on 749 resolved cases, 2023–2026

Rejection Statute Breakdown

9.1%
§101 Eligibility
17.4%
§102 Novelty
36.2%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19298016 Handheld Oximeter Sheath Non-Final OA ViOptix, Inc.
19297992 Handheld Oximeter with Disposable Probe Tips Non-Final OA ViOptix, Inc.
19298077 Oximeter with Selectable Tissue Depth Non-Final OA ViOptix, Inc.
19291405 Oximeter with Measurement Quality Reporting Non-Final OA ViOptix, Inc.
19014124 Laparoscopic Oximetry Probe and Method for Reuse of a Handheld Unit of the Laparoscopic Oximetry Probe Non-Final OA ViOptix, Inc.
18753986 Determining Absolute and Relative Tissue Oxygen Saturation Non-Final OA ViOptix, Inc.
18546372 BIOLOGICAL INFORMATION MEASUREMENT DEVICE Final Rejection TOHOKU UNIVERSITY
17957668 METHODS AND SYSTEMS FOR DETECTING OXYGEN SATURATION FROM A CAMERA Final Rejection GE Precision Healthcare LLC
18257661 NON-INVASIVE BLOOD ANALYSIS USING A COMPACT CAPILLAROSCOPE AND MACHINE LEARNING TECHNIQUES Final Rejection THE JOHNS HOPKINS UNIVERSITY
18609419 ORTHOGONALLY REDUNDANT SENSOR SYSTEMS AND METHODS Non-Final OA Medtronic MiniMed, Inc.
19011162 SYSTEMS AND METHODS FOR DETERMINING AND COMMUNICATING LEVELS OF BILIRUBIN AND OTHER SUBCUTANEOUS SUBSTANCES Non-Final OA Bilibaby, LLC
17944582 DEEP TISSUE OPTICAL SENSING DEVICES AND METHODS Non-Final OA Cardiac Pacemakers, Inc.
18922072 Perfusion and Oxygenation Measurement Non-Final OA BBI Medical Innovations, LLC
18332368 OXYGEN SATURATION CALIBRATION Non-Final OA Oura Health Oy
18015469 KITS AND METHODS FOR MEASURING INSULIN SENSITIVITY Final Rejection Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
18575750 SENSOR UNIT FOR MEASURING BIOMETRIC INFORMATION Non-Final OA I-SENS, INC.
18599104 MICRO BIOSENSOR AND METHOD FOR REDUCING MEASUREMENT INTERFERENCE USING THE SAME Non-Final OA Bionime Corporation
17815901 SYSTEM AND METHODS FOR DETERMINING HEALTH-RELATED METRICS FROM DATA COLLECTED BY A MOBILE DEVICE Final Rejection Measure Labs, Inc.
18427912 RAMAN SPECTROSCOPY METHOD FOR BLOOD GLUCOSE MEASUREMENT Non-Final OA Apollon Inc.
18427883 METHOD FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY Non-Final OA Apollon Inc.
18427880 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY COMPRISING LINEAR VARIABLE FILTER Non-Final OA Apollon Inc.
18427907 RAMAN SPECTROSCOPY APPARATUS FOR BLOOD GLUCOSE MEASUREMENT Final Rejection Apollon Inc.
18427879 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY COMPRISING FILTER ARRAY Non-Final OA Apollon Inc.
18427873 APPARATUS FOR BLOOD GLUCOSE MEASUREMENT BASED ON RAMAN SPECTROSCOPY Non-Final OA Apollon Inc.
18566924 MANGANESE-ENHANCED MAGNETIC RESONANCE IMAGING Non-Final OA IC Targets AS
18556685 Photogrammetric measurement of body dimensions using patterned garments Non-Final OA LIKE A GLOVE LTD.
18556212 ORAL FLUID COLLECTION DEVICE Non-Final OA ORASURE TECHNOLOGIES, INC.
18056666 ARCHITECTURE OF A PHOTONIC INTEGRATED CIRCUIT (PIC) AND METHOD FOR OPERATING THE SAME AS WELL AS AN OPTICAL COUPLER Non-Final OA ROCKLEY PHOTONICS LIMITED
18284481 OPTICAL MODULE Non-Final OA ams Sensors Germany GmbH
18005465 DEVICE FOR OBTAINING AN INDICATOR OF A MICROCIRCULATORY CONDITION Final Rejection SENTEC AG

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