Prosecution Insights
Last updated: August 17, 2026

Examiner: WALKER, CHRISTOPHER RICHARD

Tech Center 3600 • Art Units: 2855 3645

This examiner grants 72% of resolved cases

Performance Statistics

71.9%
Allow Rate
+19.9% vs TC avg
172
Total Applications
+18.0%
Interview Lift
993
Avg Prosecution Days
Based on 135 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
16.2%
§102 Novelty
58.7%
§103 Obviousness
19.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18986961 METHOD FOR THE CALIBRATION OF ULTRASONIC SENSORS OF AN ULTRASONIC -SENSOR ROW AND VEHICLE Non-Final OA Robert Bosch GmbH
18772194 INTERFERENCE AREA INFORMATION OUTPUT APPARATUS, INTERFERENCE AREA INFORMATION OUTPUT SYSTEM, INTERFERENCE AREA INFORMATION OUTPUT METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18690792 OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING DEVICE, AND ROAD MONITORING METHOD Final Rejection NEC Corporation
19010927 System and Method for Three-Dimensional Efficient Data-Driven Internal Multiple Elimination for Wide Azimuth Dataset Non-Final OA Saudi Arabian Oil Company
18414853 SYSTEM AND METHOD FOR TESTING WELL INTEGRITY Final Rejection CHEVRON U.S.A. INC.
18158389 METHODS AND SYSTEMS FOR MODULAR TRANSDUCER PROBE WITH REDUCED FOOTPRINT Final Rejection GE Precision Healthcare LLC

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