Prosecution Insights
Last updated: April 19, 2026

Examiner: LEGENDRE, CHRISTOPHER RYAN

Tech Center 3700 • Art Units: 3711 3745

This examiner grants 75% of resolved cases

Performance Statistics

75.2%
Allow Rate
+5.2% vs TC avg
842
Total Applications
+26.2%
Interview Lift
1142
Avg Prosecution Days
Based on 815 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
21.9%
§102 Novelty
36.5%
§103 Obviousness
35.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18793480 PROPELLER CONTROL SYSTEM FOR AN AIRCRAFT Non-Final OA General Electric Company
19267988 AN ARTIFICIAL LIFT PUMP Non-Final OA Schlumberger Technology Corporation
19293330 SEALING SYSTEM FOR MAGNETIC LEVITATING CENTRIFUGAL COMPRESSOR AND MAGNETIC LEVITATING CENTRIFUGAL COMPRESSOR Non-Final OA Carrier Corporation
18745358 CARTRIDGE FOR PULSE-SEPARATED VARIABLE TURBINE GEOMETRY TURBOCHARGERS Final Rejection BorgWarner Inc.
19225625 OPTIMIZED AIRFLOW MANAGEMENT SYSTEM FOR REDUNDANT FANS Non-Final OA Vertiv Corporation
19130069 METHOD OF REPOWERING A WIND TURBINE Non-Final OA VESTAS WIND SYSTEMS A/S
18878599 A METHOD OF REPOWERING A WIND TURBINE Non-Final OA VESTAS WIND SYSTEMS A/S
18874957 BLADE WITH COMPOSITE STRUCTURE HAVING IMPROVED PLY DROP ORIENTATION Non-Final OA Safran Aircraft Engines
17635814 METHOD FOR THE QUANTITATIVE DETERMINATION OF A CURRENT OPERATING STATE-DEPENDENT VARIABLE OF A FAN, IN PARTICULAR A PRESSURE CHANGE OR PRESSURE INCREASE, AND FAN Final Rejection ZIEHL-ABEGG SE
18654550 RAM AIR FAN INCLUDING ADDITIVELY MANUFACTURED HEAT EXCHANGER INSERT Non-Final OA Hamilton Sundstrand Corporation
19086275 ROTARY DEVICE FOR INPUTTING THERMAL ENERGY INTO FLUIDS AND RELATED SYSTEMS Final Rejection Coolbrook Oy
18594353 TURBINE BLADE AND STEAM TURBINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
19061736 BLOWER SYSTEM Final Rejection Hanon Systems
18371291 GOLF PUTTER Non-Final OA Nakul SOOD
18275436 HYBRID GOLF SYSTEM AND CONTROL METHOD FOR THE SAME Non-Final OA GOLFZON CO., LTD.

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