Prosecution Insights
Last updated: August 17, 2026

Examiner: NGUYEN, DUSTIN T

Tech Center 3700 • Art Units: 3616 3725 3745 3753

This examiner grants 73% of resolved cases

Performance Statistics

72.6%
Allow Rate
+2.6% vs TC avg
518
Total Applications
+17.4%
Interview Lift
915
Avg Prosecution Days
Based on 478 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
22.3%
§102 Novelty
41.9%
§103 Obviousness
33.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18538337 GRINDER Non-Final OA Samsung Electronics Co., Ltd.
18292667 HYDRAULIC POWER UNIT FOR MATERIAL TESTING Final Rejection Illinois Tool Works Inc.
18394361 METHOD OF ENHANCING EFFICIENCY OF GEOMECHANICAL ENERGY STORAGE SYSTEMS Final Rejection Halliburton Energy Services, Inc.
18544535 ACCUMULATOR WITH SUPPLY VALVE AND BRAKE SYSTEM USING SAME Non-Final OA ZF Active Safety US Inc.
18890887 METHOD AND SYSTEM FOR HYDRAULIC FLOW CONTROL OF AUTOMATION SYSTEMS FOR WORK IMPLEMENTS OF WORK MACHINES Non-Final OA Deere & Company
18872199 SELF-ANCHORING BURROWING EVERTING ROBOT Non-Final OA The Regents of the University of California
18564821 GRINDING PLATE FOR A GRINDING DISK OF A GRINDING MACHINE AND PRODUCTION METHOD Non-Final OA Hilti Aktiengesellschaft
17775567 DIFFERENTIAL HYDRAULIC BUFFER Non-Final OA ClearMotion, Inc.
18568088 A HYDRAULIC SYSTEM FOR A ROLLER CRUSHER Non-Final OA Metso USA Inc.

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