Prosecution Insights
Last updated: August 17, 2026

Examiner: SEBASCO CHENG, STEPHANIE

Tech Center 3700 • Art Units: 3741 3783

This examiner grants 59% of resolved cases

Performance Statistics

58.7%
Allow Rate
-11.3% vs TC avg
357
Total Applications
+71.1%
Interview Lift
1060
Avg Prosecution Days
Based on 317 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
18.2%
§102 Novelty
42.9%
§103 Obviousness
32.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18388285 TAILORING ROTOR BLADE SECTOR CONFIGURATIONS TO TUNE GAS TURBINE ENGINE BLADED ROTOR Final Rejection Pratt & Whitney Canada Corp.
18387258 Gas Turbine Engine Fuel System for an Aircraft Propulsion System Non-Final OA Pratt & Whitney Canada Corp.
18671371 FUEL NOZZLE Final Rejection General Electric Company
17587466 SYSTEMS FOR ALIGNING A GEARBOX OF A GAS TURBINE ENGINE Non-Final OA General Electric Company
17988170 SYSTEM AND METHOD FOR DETERMINING TORQUE IN A TURBOMACHINE Non-Final OA GE Avio S.r.l.
18881412 ASSEMBLY FOR AN ELECTRICALLY HYBRIDISED TURBINE ENGINE Final Rejection SAFRAN
17983126 WELDING SYSTEM AND WELDING METHOD USING THE SAME Final Rejection Kia Corporation
18774708 GEARBOX ARRANGEMENT FOR DUAL SPOOL ENGINE ACCESSORIES Final Rejection RTX Corporation

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