Prosecution Insights
Last updated: April 19, 2026

Examiner: LARKIN, DANIEL SEAN

Tech Center 2800 • Art Units: 2122 2855 2856

This examiner grants 83% of resolved cases

Performance Statistics

82.7%
Allow Rate
+14.7% vs TC avg
1129
Total Applications
+7.7%
Interview Lift
1062
Avg Prosecution Days
Based on 1104 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
22.5%
§102 Novelty
33.6%
§103 Obviousness
35.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18507336 DATA PROCESSING DEVICE, DATA PROCESSING METHOD, AND DATA PROCESSING PROGRAM Non-Final OA Hitachi, Ltd.
18685492 SENSOR ASSEMBLY Non-Final OA Apple Inc.
18292445 FLOW RATE MEASUREMENT SYSTEM Final Rejection NIPPON STEEL CORPORATION
18492079 HYDROGEN DETECTION SYSTEM Final Rejection ROHM Co., LTD.
18259185 DEVICE AND METHOD FOR SEPARATING PARTICLES OF DIFFERENT SIZES IN A LIQUID, AND APPLICATIONS OF THE DEVICE Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
17796053 DEVICE AND METHOD FOR RAPID DETECTION OF BLOOD VISCOSITY BASED ON ULTRASONIC GUIDED WAVE OF MICRO-FINE METAL TUBE Non-Final OA ZHEJIANG UNIVERSITY
18577729 METHOD FOR FITTING A MEASURING DEVICE ON A TUBE Non-Final OA Siemens Mobility GmbH
18388147 WEATHER RESISTANCE TESTING APPARATUS AND WEATHER RESISTANCE TESTING METHOD Final Rejection TOPPAN INC.
18468171 CONTINUOUS FIELD FLOW FRACTIONATOR Non-Final OA Wyatt Technology, LLC
18568466 INTEGRATED NEUTRALIZER AND ANNULAR FILTER HOUSING FOR A REGIONAL LUNG DEPOSITION FILTER Non-Final OA The Governors of the University of Alberta
18294475 FLOWMETER FOR TWO-PHASE FLUID Non-Final OA L'Air Liquide, Société Anonyme pour I'Etude et I'Etude et I'Exploitation des Procédés Georges Claude
18570965 Fluid Sensor Non-Final OA Tribosonics Limited
18549403 METHOD FOR CHARACTERIZING AN ANALYTE PRESENT IN A GAS SAMPLE CONTAINING AT LEAST ONE PARASITIC CHEMICAL SPECIES Non-Final OA ARYBALLE
17908230 DEVICE AND METHOD FOR GEO-ELECTRIC EXTRACTION UNDER WATER LAYER COVERAGE Non-Final OA GUILIN UNIVERSITY OF TECHNOLOGY
18510431 TRACER TESTING SYSTEMS AND METHODS Non-Final OA GEOSCIENCE Support Services, Inc.
18278685 CONVERSION DEVICE, PREDICTION MODEL PREPARATION DEVICE, CONVERSION INFORMATION PREPARATION METHOD, PREDICTION MODEL PREPARATION METHOD, AND PROGRAM Non-Final OA Komi Hakko Corporation
17992293 LIQUID TESTING SYSTEM AND METHOD Non-Final OA Validere Technologies Inc.
17844215 Method and Apparatus for Detecting Leaks in a Building Water System Final Rejection ENCO ELECTRONIC SYSTEMS, LLC

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