Prosecution Insights
Last updated: October 02, 2026

Examiner: XU, JUSTIN

Tech Center 3700 • Art Units: 3774 3783 3791

This examiner grants 60% of resolved cases

Analysis

Justin Xu works in Art Unit 3774 of Tech Center 3700. He has 231 resolved cases and an allowance rate of 60.2%. The median days to allowance is 1355, which indicates a longer-than-average prosecution period. These metrics suggest that while the majority of applications are successful, the process requires persistence and a long-term perspective. Practitioners should set expectations for a timeline of nearly four years to reach an allowance.

The interview lift is 36.7%. This significant lift suggests that direct communication with the examiner is a very productive strategy for overcoming rejections. Given the 60.2% allowance rate and 1355-day timeline, interviews can be a key tool for shortening the prosecution cycle or securing a grant. The 231 resolved cases show that the examiner has a consistent track record. The 36.7% lift indicates that the examiner is highly receptive to oral arguments. Overall, the data supports a strategy that prioritizes interviews to navigate the 60.2% baseline allowance rate more effectively.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

60.2%
Allow Rate
-9.8% vs TC avg
274
Total Applications
+36.7%
Interview Lift
1355
Avg Prosecution Days
Based on 231 resolved cases, 2023–2026

Rejection Statute Breakdown

14.1%
§101 Eligibility
14.0%
§102 Novelty
47.6%
§103 Obviousness
19.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18925392 DEVICE FOR SENSING BIOMETRIC INFORMATION Non-Final OA SAMSUNG DISPLAY CO., LTD.
18192354 BLOOD PRESSURE MEASUREMENT SYSTEM AND METHOD OF THE SAME Non-Final OA SAMSUNG DISPLAY CO., LTD.
19358118 METHOD AND SYSTEM FOR GLYCEMIC PREDICTION AND DYNAMIC VISUALIZATION Non-Final OA Abbott Diabetes Care Inc.
19421562 WEARABLE DEVICES AND METHODS FOR PROVIDING THERAPY TO A USER AND/OR FOR MEASURING PHYSIOLOGICAL PARAMETERS OF THE USER Final Rejection Therabody, Inc.
17326505 ARTIFICIAL INTELLIGENCE BASED SYSTEMS AND METHODS FOR ANALYZING USER-SPECIFIC SKIN OR HAIR DATA TO PREDICT USER-SPECIFIC SKIN OR HAIR CONDITIONS Final Rejection The Procter & Gamble Company
18686642 MUSCLE CONDITION ESTIMATION DEVICE AND METHOD FOR ESTIMATING MUSCLE CONDITION Non-Final OA NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
18899202 INSERTION SYSTEM Non-Final OA Roche Diabetes Care, Inc.
18678554 APPARATUS AND METHOD FOR DETECTING VISUAL STIMULUS BASED ON SSVEP Non-Final OA Kia Corporation
18571379 Article, System, and Method for Detecting Extravasation Final Rejection Solventum Intellectual Properties Company
17635605 SYSTEMS AND METHODS FOR DETERMINING AND TRACKING RANGE OF MOTION OF A JOINTED LIMB Non-Final OA Solventum Intellectual Properties Company
18823762 BLOOD PRESSURE ESTIMATION METHOD AND BIOLOGICAL INFORMATION MEASUREMENT SYSTEM Non-Final OA Murata Manufacturing Co., Ltd.
18927618 ELECTRONIC DEVICE AND ESTIMATION SYSTEM Non-Final OA KYOCERA Corporation
18551979 HARDNESS CALCULATION DEVICE, HARDNESS MEASUREMENT DEVICE, AND HARDNESS CALCULATION METHOD Non-Final OA TOHOKU UNIVERSITY
17824798 WEARABLE AUTONOMOUS BIOMIMETIC SWEAT SENSOR FOR PRECISION NUTRITION Non-Final OA California Institute of Technology
18682082 Urinary Output Monitoring System Non-Final OA C. R. Bard, Inc.
18282742 CIRCULATING BLOOD VOLUME DETERMINATION APPARATUS, CIRCULATING BLOOD VOLUME DETERMINATION PROGRAM, AND CIRCULATING BLOOD VOLUME DETERMINATION METHOD Non-Final OA NIHON KOHDEN CORPORATION
18876950 MANUAL MUSCLE STRENGTH TESTING DEVICE Non-Final OA YAMAGUCHI UNIVERSITY
18316404 EQUINE TAIL SENSOR Final Rejection Garmin International, Inc.
18919771 BLOOD GLUCOSE MEASUREMENT DEVICE AND METHOD FOR MANAGING BLOOD GLUCOSE MEASUREMENT DATA USING THE SAME Non-Final OA I-SENS, INC
18896733 BODY ATTACHABLE UNIT FOR CONTINUOUS GLUCOSE MONITORING SYSTEM Non-Final OA I-SENS, INC.
18703431 TOE OFF DETECTION METHOD WITH A PRESSURE SENSOR Final Rejection RXFUNCTION, INC.
18686777 IMPLANTABLE MEDICAL DEVICES AND WIRELESS SENSOR ATTACHMENT Non-Final OA UIM Pressure Implant Inc.
18196034 PET BED WITH VITAL SIGN MONITORING Non-Final OA Brisby, Inc.
18136411 Implant With Sensor Redundancy Final Rejection Orthosensor Inc.
18131594 Implant With Sensor Diagnostics Final Rejection Orthosensor Inc.

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