Prosecution Insights
Last updated: April 19, 2026

Examiner: NGUYEN, DUSTIN T

Tech Center 3700 • Art Units: 3745

This examiner grants 72% of resolved cases

Performance Statistics

72.2%
Allow Rate
+2.2% vs TC avg
493
Total Applications
+18.0%
Interview Lift
948
Avg Prosecution Days
Based on 460 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.1%
§102 Novelty
37.8%
§103 Obviousness
32.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18394361 METHOD OF ENHANCING EFFICIENCY OF GEOMECHANICAL ENERGY STORAGE SYSTEMS Non-Final OA Halliburton Energy Services, Inc.
18841655 FLUID PRESSURE CIRCUIT Final Rejection EAGLE INDUSTRY CO., LTD.
18415005 SERVOCONTROL FOR CONTROLLING THE POSITION OF A MOVING PART OF AN AIRCRAFT Final Rejection DASSAULT AVIATION
19196309 ELECTROHYDROSTATIC ACTUATOR WITH INTEGRATED PUMP Non-Final OA Oshkosh Corporation
19257057 LOCKING SLEEVE FOR AN ACTUATOR Non-Final OA Liebherr-Aerospace Lindenberg GmbH
19239671 ELECTRIC CYLINDER DEVICE Final Rejection ADVICS CO., LTD.
19237766 ELECTRIC CYLINDER DEVICE Non-Final OA ADVICS CO., LTD.
17775567 DIFFERENTIAL HYDRAULIC BUFFER Final Rejection ClearMotion, Inc.
18847258 ULTRA-HIGH PRECISION PNEUMATIC FORCE SERVO SYSTEM AND INTELLIGENT CONTROL PARAMETER OPTIMIZATION METHOD THEREFOR Non-Final OA JIANGSU UNIVERSITY
19079350 HYBRID ELECTRO-HYDRAULIC LOAD SENSING SYSTEM AND CONTROL METHOD THEREOF Final Rejection Chongqing University
18707912 System and Method for Controlling a Hydraulic Supply System on a Mobile Machine Non-Final OA AGCO International GmbH
18993035 APPARATUS COMPRISING A PLURALITY OF TOOLS EACH HAVING AT LEAST ONE HYDRAULIC CHAMBER FOR HYDRAULIC LIQUID Non-Final OA FREEVALVE AB
18834995 APPARATUS AND METHOD FOR RECIRCULATING HYDRAULIC FLUID Final Rejection HPDI Technology Limited Partnership
18882239 HYDRAULIC SYSTEM FOR A ROTOR BRAKE, ROTOR BRAKE AND WIND TURBINE Non-Final OA HAWE Hydraulik SE
18543090 WORKPIECE GRINDING METHOD Non-Final OA DISCO CORPORATION
18540006 Electric Polisher for Concrete Surfaces Non-Final OA Allen Engineering Corporation

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