Prosecution Insights
Last updated: May 29, 2026

Examiner: DELRUE, BRIAN CHRISTOPHER

Tech Center 3700 • Art Units: 3745

This examiner grants 84% of resolved cases

Performance Statistics

84.5%
Allow Rate
+14.5% vs TC avg
456
Total Applications
+22.8%
Interview Lift
843
Avg Prosecution Days
Based on 427 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
12.8%
§102 Novelty
73.2%
§103 Obviousness
9.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18396918 CHEMICAL MECHANICAL POLISHING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19195764 TURBOFAN ENGINE HAVING ANGLED INLET PRE-SWIRL VANES Final Rejection General Electric Company
19042862 BLOWER Final Rejection Milwaukee Electric Tool Corporation
18396256 SUBSTRATE POLISHING APPARATUS Non-Final OA EBARA CORPORATION
18975522 ROTOR STAGE FOR A GAS TURBINE ENGINE Final Rejection Rolls-Royce plc
19220165 COOLING CIRCUIT FOR A STATOR VANE BRAZE JOINT Non-Final OA GE Vernova Infrastructure Technology LLC
18845543 AERONAUTICAL THRUSTER Final Rejection SAFRAN AIRCRAFT ENGINES
18835676 COMPOSITE VANE FOR AN AIRCRAFT TURBOMACHINE FAN COMPRISING MEANS FOR MEASURING INTERNAL DEFORMATIONS Non-Final OA SAFRAN AIRCRAFT ENGINES
18397120 POLISHING BLADED ROTOR USING ROBOTIC POLISHING DEVICE Non-Final OA Pratt & Whitney Canada Corp.
18873138 STATOR BLADE AND GAS TURBINE PROVIDED WITH SAME Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
19014278 AXIAL FLOW BLOWER Non-Final OA Greenworks (Jiangsu) Co., Ltd
18904329 GUIDE BLADE ADJUSTING DEVICE AND TURBOMACHINE Non-Final OA MAN Energy Solutions SE
18821215 SIDE-CHANNEL MACHINE (COMPRESSOR, VACUUM PUMP OR BLOWER) HAVING AN EXTRACTION DUCT IN THE STRIPPER Non-Final OA Gardner Denver Deutschland GmbH
18396983 Oral Care Implement Non-Final OA Colgate-Palmolive Company
18885318 Drive Side Liner For A Centrifugal Pump Final Rejection Weir Slurry Group, Inc.
18402372 Aluminum Watercraft With Rounded Corners At The Stern Non-Final OA Bass Pro Intellectual Property, L.L.C.
18396757 CLEANING DEVICE Non-Final OA Guangzhou Fengxue Technology Co., Ltd.
18464401 ELECTRIC SURFBOARD WITH HANDRAIL BRACKET Non-Final OA INNO INSTRUMENT (CHINA) INC.
18133744 Non-metal mesh chair for marine use Final Rejection Quality Mark, Inc.

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