Prosecution Insights
Last updated: April 19, 2026

Examiner: SINGER, DAVID L

Tech Center 2800 • Art Units: 2855 2856

This examiner grants 68% of resolved cases

Performance Statistics

67.7%
Allow Rate
At TC average
446
Total Applications
+43.8%
Interview Lift
1048
Avg Prosecution Days
Based on 415 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
14.2%
§102 Novelty
50.8%
§103 Obviousness
25.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18577775 METHOD FOR ANALYZING TRACE LEVELS OF SEMI-VOLATILE NITROSAMINES IN SOLID SAMPLES Non-Final OA Merck Sharp & Dohme LLC
18012341 PROTECTION MONITORING SYSTEM USING OPTICAL FIBER FOR LONG INFRASTRUCTURE Final Rejection NEC Corporation
18522331 LIFT OFF SPEED DETECTION Non-Final OA Garrett Transportation I Inc.
18535493 METHOD FOR PRODUCING A SENSOR, AND SENSOR Non-Final OA Robert Bosch GmbH
18397496 DUCT THICKNESS MEASUREMENT DEVICE SIMULTANEOUS SUBMARINES AT MULTIPLE POINTS Non-Final OA PETRÓLEO BRASILEIRO S.A. - PETROBRAS
18315900 METHOD OF EVALUATING NATURAL FREQUENCY OF PIEZOELECTRIC VIBRATOR, METHOD OF DRIVING TRANSDUCER, SIGNAL TRANSMITTING/RECEIVING DEVICE, AND DRIVE SYSTEM Final Rejection ROHM CO., LTD.
18286499 Analyzer and Control Method for Analyzer Non-Final OA Hitachi High-Tech Corporation
18539943 ULTRASONIC FLOW METER HAVING FLOW CONDITIONING ARRANGEMENTS FOR FLOW CONTROLLING IN A LINEAR FLUID CONDUIT Non-Final OA Woodward, Inc.
18562216 FLUIDICALLY COUPLING OF SAMPLING AND SEPARATION PATHS Non-Final OA Agilent Technologies, Inc.
18371392 ANALYSIS OF MOBILE PHASE SUPPLY FROM MOBILE PHASE CONTAINER Non-Final OA Agilent Technologies, Inc.
18371405 ANALYSIS OF MOBILE PHASE SUPPLY FROM MOBILE PHASE CONTAINER Non-Final OA Agilent Technologies, Inc.
18602309 SYSTEMS AND METHODS FOR CHARACTERIZING UNCONVENTIONAL RESERVOIRS INCLUDING FRACTURED SOURCE ROCK Non-Final OA ARAMCO SERVICES COMPANY
18606308 REMOTE SEAL SYSTEM Non-Final OA Rosemount Inc.
18497302 SAMPLE METERING AND INJECTION FOR LIQUID CHROMATOGRAPHY Non-Final OA Waters Technologies Corporation
18327833 ROTARY FOR ROTARY SHEAR VALVE Final Rejection DIONEX SOFTRON GMBH
18686197 SURFACE PERFORMANCE TESTING APPARATUS, SYSTEMS AND METHODS Non-Final OA Stadium Grow Lighting B.V.
18409757 MICROMECHANICAL GYROSCOPE AND ELECTRONIC PRODUCT Non-Final OA AAC Kaitai Technologies (Wuhan) CO., LTD
18396862 ENVIRONMENTAL MONITORING DEVICE USING SMART PHONE Non-Final OA DEEPVISIONS CO.,LTD.
18389583 ADJUSTMENT OF FREQUENCY OF A MOTION TRACKING SYSTEM Non-Final OA Sword Health, S.A.
18326838 Valve Unit for a Chromatography Apparatus Final Rejection Cytiva Sweden AB
18268524 WAFER FOR CARRYING BIOLOGICAL SAMPLE Non-Final OA OXFORD IMMUNE ALGORITHMICS LTD

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