Prosecution Insights
Last updated: August 18, 2026

Examiner: TCHATCHOUANG, CARL F.R.

Tech Center 2800 • Art Units: 2117 2858 2867

This examiner grants 82% of resolved cases

Performance Statistics

82.4%
Allow Rate
+14.4% vs TC avg
205
Total Applications
+14.9%
Interview Lift
910
Avg Prosecution Days
Based on 176 resolved cases, 2023–2026

Rejection Statute Breakdown

30.5%
§101 Eligibility
7.7%
§102 Novelty
36.0%
§103 Obviousness
22.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19040265 ELECTRONIC DEVICE FOR LOCATION DETECTION, AND METHOD FOR OPERATING SAME Non-Final OA Samsung Electronics Co., Ltd.
18315976 METHOD OF DETERMINING A TIRE PERFORMANCE CHARACTERISTIC OF A TIRE Final Rejection AIRBUS OPERATIONS LIMITED
18978037 APPARATUS FOR DETERMINING AN ELECTRICAL PARAMETER OF A BUS BAR Non-Final OA Volvo Car Corporation
18465369 SENSOR MEASUREMENT ANOMALY DETECTION Non-Final OA Robert Bosch GmbH
18305666 Measurement Method, Measurement Device, Measurement System, And Non-Transitory Computer-Readable Storage Medium Storing Measurement Program Non-Final OA SEIKO EPSON CORPORATION
18305649 Measurement Method, Measurement Device, Measurement System, And Non-Transitory Computer-Readable Storage Medium Storing Measurement Program Non-Final OA SEIKO EPSON CORPORATION
18313745 METHODS AND SYSTEMS FOR CHROMATOGRAPHY DATA ANALYSIS Non-Final OA Regeneron Pharmaceuticals, Inc.
18539490 ELECTROMAGNETIC WAVE CALCULATION SYSTEM AND METHOD OF OBTAINING PREVIOUS DATA Final Rejection Mitsubishi Electric Corporation
18396521 MEASUREMENT DATA ANALYSIS DEVICE, MEASUREMENT DATA ANALYSIS METHOD AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING MEASUREMENT DATA ANALYSIS PROGRAM Final Rejection SHIMADZU CORPORATION
18860838 AN EFFICIENT APPROACH TO OPTIMAL EXPERIMENTAL DESIGN FOR MAGNETIC RESONANCE FINGERPRINTING WITH B-SPLINES Non-Final OA Board of Regents, The University of Texas System
17968850 POWER CONVERTERS Non-Final OA General Electric Renovables Espana, S.L.
18868287 AN ELECTRONIC MODULE OF A DRUG DELIVERY DEVICE OR OF A SUPPLEMENTAL DEVICE FOR A DRUG DELIVERY DEVICE Non-Final OA Sanofi
18012941 TEMPERATURE ESTIMATION DEVICE, COMPUTER PROGRAM, AND TEMPERATURE ESTIMATION METHOD Non-Final OA GS Yuasa International Ltd.

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