Prosecution Insights
Last updated: October 02, 2026

Examiner: DELRUE, BRIAN CHRISTOPHER

Tech Center 3700 • Art Units: 3745

This examiner grants 84% of resolved cases

Analysis

Brian Christopher Delrue is assigned to Art Unit 3745 in Tech Center 3700. He has handled 438 resolved cases, resulting in an allowance rate of 84.2 percent. This 84.2 percent rate serves as a metric for assessing the likelihood of a grant. The 438 resolved cases provide the data foundation for analyzing his prosecution history in Tech Center 3700.

The median time to allowance for these applications is 842 days. The interview lift is 21.7 percent. This 21.7 percent lift indicates that direct communication with the examiner is associated with a higher probability of allowance. Practitioners should consider the 842-day median pendency and the 21.7 percent lift when deciding whether to request an interview in Art Unit 3745.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

84.2%
Allow Rate
+14.2% vs TC avg
475
Total Applications
+21.7%
Interview Lift
842
Avg Prosecution Days
Based on 438 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
30.5%
§102 Novelty
40.8%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18845543 AERONAUTICAL THRUSTER Final Rejection SAFRAN AIRCRAFT ENGINES
18835676 COMPOSITE VANE FOR AN AIRCRAFT TURBOMACHINE FAN COMPRISING MEANS FOR MEASURING INTERNAL DEFORMATIONS Final Rejection SAFRAN AIRCRAFT ENGINES
18397288 ROTARY BRUSH, NOZZLE AND VACUUM CLEANER Final Rejection MAKITA CORPORATION
19042862 BLOWER Non-Final OA Milwaukee Electric Tool Corporation
19365439 COOLING STRUCTURE Non-Final OA HONDA MOTOR CO., LTD.
19208379 Vane Assembly For Open Fan Engine Non-Final OA General Electric Company
19070889 AIRFOIL FOR A TURBOFAN ENGINE Final Rejection General Electric Company
19008084 NOSECONES FOR TURBINE ENGINE Non-Final OA Rolls-Royce North American Technologies, Inc.
18862324 MAINTENANCE METHOD FOR GAS TURBINES Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD
19116747 IMPROVEMENTS RELATING TO WIND TURBINE BLADE ANTI-ICING SYSTEMS Non-Final OA VESTAS WIND SYSTEMS A/S
18877612 A RADIATOR MODULE FOR A CONDITIONING SYSTEM OF A WIND TURBINE Non-Final OA Vestas Wind Systems A/S
19261346 BEARING ASSEMBLIES, APPARATUSES, DEVICES, SYSTEMS, AND METHODS INCLUDINGBEARINGS Non-Final OA CHAMPIONX LLC
18734494 GAS TURBINE ENGINE WITH SPLIT VARIABLE FAN EXIT GUIDE VANES AND AIRFLOW RADIAL TOTAL PRESSURE PROFILE RE-DISTRIBUTION Non-Final OA RTX Corporation
18396256 SUBSTRATE POLISHING APPARATUS Final Rejection EBARA CORPORATION
18396359 PROCESSING APPARATUS Final Rejection EBARA CORPORATION
18862232 VACUUM CLEANING SYSTEM Non-Final OA Dyson Technology Limited

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month