Prosecution Insights
Last updated: May 29, 2026

Examiner: SEBASCO CHENG, STEPHANIE

Tech Center 3700 • Art Units: 3741 3783

This examiner grants 58% of resolved cases

Performance Statistics

58.5%
Allow Rate
-11.5% vs TC avg
353
Total Applications
+70.7%
Interview Lift
1064
Avg Prosecution Days
Based on 313 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
4.9%
§102 Novelty
87.6%
§103 Obviousness
7.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18881412 ASSEMBLY FOR AN ELECTRICALLY HYBRIDISED TURBINE ENGINE Non-Final OA SAFRAN
18774708 GEARBOX ARRANGEMENT FOR DUAL SPOOL ENGINE ACCESSORIES Non-Final OA RTX Corporation
19047295 MULTI-TEMPERATURE FUEL INJECTORS FOR A GAS TURBINE ENGINE Final Rejection General Electric Company
18671371 FUEL NOZZLE Non-Final OA General Electric Company
17587466 SYSTEMS FOR ALIGNING A GEARBOX OF A GAS TURBINE ENGINE Non-Final OA General Electric Company
19023732 HEAT EXCHANGER Non-Final OA ROLLS-ROYCE plc
18781563 GEARED GAS TURBINE ENGINE Non-Final OA ROLLS-ROYCE plc
18169658 GAS TURBINE ENGINE Final Rejection ROLLS-ROYCE plc
17983126 WELDING SYSTEM AND WELDING METHOD USING THE SAME Final Rejection Kia Corporation
18765556 TURBOPROP ENGINE WITH CLOSABLE CORE Non-Final OA PRATT & WHITNEY CANADA CORP.
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.
18410781 Catheter Insertion Assemblies, Introducer-Needle Subassemblies, and Methods with Needle-Stick-Injury Protection Non-Final OA Bard Access Systems, Inc.
19003582 GEARBOX ASSEMBLY WITH LUBRICANT EXTRACTION VOLUME RATIO Non-Final OA GE Avio S.r.l.
18122890 LOW DEAD VOLUME VITREOUS SAMPLING AND DRUG DELIVERY DEVICE Non-Final OA Verily Life Sciences LLC
18281185 DEVICE FOR NASAL DELIVERY OF A FLUID PRODUCT Non-Final OA APTAR FRANCE SAS
18183117 ADMINISTRATION DEVICE INCORPORATING A DEFORMABLE STOPPER Non-Final OA Aktivax, Inc.
18575522 SMART AUTO INJECTOR AND CASSETTE SYSTEM Non-Final OA Phillips-Medisize A/S
18284956 ELECTRONIC DEVICE FOR RELEASING EMULSION AND METHOD OF OPERATING THEREOF Non-Final OA KT & G CORPORATION
18286939 POWER PACK FOR AN INJECTION DEVICE Non-Final OA West Pharmaceutical Services, Inc.
18053761 QUICK-CHARGE VOLTAGE BOOSTER CIRCUIT FOR HEATING Final Rejection Rui ZHANG
17983122 GRAPHENE HEATING MAT Final Rejection Farrpro, Inc.

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