Prosecution Insights
Last updated: April 19, 2026

Rolls-Royce

64 pending office actions

Portfolio Summary

64
Total Pending OAs
20
Final Rejections
44
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19278296 GAS TURBINE ENGINE NG, HENRY 3741 Non-Final OA Jul 23, 2025
19228866 GAS TURBINE PERFORMANCE SUTHERLAND, STEVEN M 3752 Final Rejection Jun 05, 2025
19228821 LEAN BURN COMBUSTOR DUGER, JASON H 3741 Non-Final OA Jun 05, 2025
19229076 ENGINE CORE SIZE NG, HENRY 3741 Final Rejection Jun 05, 2025
19227790 SEAL STRUCTURE FOR A GAS TURBINE ENGINE KONERU, LAKSHMI S 3675 Non-Final OA Jun 04, 2025
19217274 COOLING RING FOR COMBUSTOR SYSTEM SUNG, GERALD LUTHER 3741 Non-Final OA May 23, 2025
19052487 SHROUD OF GAS TURBINE ENGINE AND METHOD OF MANUFACTURING THEREOF REITZ, MICHAEL K. 3745 Final Rejection Feb 13, 2025
19023732 HEAT EXCHANGER SEBASCO CHENG, STEPHANIE 3741 Non-Final OA Jan 16, 2025
19021605 GAS TURBINE ENGINE HEAT EXCHANGE CHABREYRIE, RODOLPHE ANDRE 3761 Non-Final OA Jan 15, 2025
18986854 RECIRCULATION OF FUEL CHABREYRIE, RODOLPHE ANDRE 3761 Non-Final OA Dec 19, 2024
18977027 ELECTRICAL POWER SYSTEM KAPLAN, HAL IRA 2836 Non-Final OA Dec 11, 2024
18975522 ROTOR STAGE FOR A GAS TURBINE ENGINE DELRUE, BRIAN CHRISTOPHER 3745 Final Rejection Dec 10, 2024
18969412 AIRCRAFT MEILLER, SEAN V 3741 Non-Final OA Dec 05, 2024
18967800 POSITIVE DISPLACEMENT PUMP SYSTEM DAVIS, MARY ALICE 3746 Final Rejection Dec 04, 2024
18950934 ROBOT ARM MODELLING KENIRY, HEATHER J 3657 Non-Final OA Nov 18, 2024
18948716 METHOD FOR REDUCING DAMAGE TO COMPONENTS OF GAS TURBINE ENGINES HTAY, AYE SU MON 3745 Non-Final OA Nov 15, 2024
18924285 APPARATUS FOR SUPPORTING AT LEAST A PART OF AN ENGINE DUCKWORTH, BRADLEY 3632 Non-Final OA Oct 23, 2024
18913194 RELIABLE GEARBOX FOR GAS TURBINE ENGINE WONG, ELTON K 3745 Final Rejection Oct 11, 2024
18892678 FUEL SPRAY NOZZLES KIM, TAE JUN 3799 Final Rejection Sep 23, 2024
18892741 Engine Core Size NG, HENRY 3741 Final Rejection Sep 23, 2024
18892673 AIRCRAFT MISSION INDEX WITH SUSTAINABLE AVAITION FUEL VERSUS HYDROCARBRON BASED FUEL DUGER, JASON H 3741 Non-Final OA Sep 23, 2024
18813326 ELECTRICAL SYSTEM YESHAW, ESAYAS G 2849 Final Rejection Aug 23, 2024
18802225 CONTINUUM ROBOT ELAHMADI, ZAKARIA 3618 Non-Final OA Aug 13, 2024
18782306 STAGED COMBUSTOR HARRINGTON, ALYSON JOAN 3741 Non-Final OA Jul 24, 2024
18781563 GEARED GAS TURBINE ENGINE SEBASCO CHENG, STEPHANIE 3741 Non-Final OA Jul 23, 2024
18771137 METHOD OF MANUFACTURING A COMPONENT OF A GAS TURBINE ENGINE PENNY, TABATHA L 1712 Non-Final OA Jul 12, 2024
18768149 POWER ELECTRONICS CONVERTER MONSUR, NASIMA 2858 Non-Final OA Jul 10, 2024
18756898 AC-DC CONVERTER CIRCUIT JACKSON, LAKAISHA 2838 Non-Final OA Jun 27, 2024
18753161 GAS TURBINE HEAT EXCHANGER HARRINGTON, ALYSON JOAN 3741 Non-Final OA Jun 25, 2024
18753370 ACTUATED GAS TURBINE ENGINE SYSTEMS NG, HENRY 3741 Final Rejection Jun 25, 2024
18749076 SHAFT BEARING POSITIONING IN A GAS TURBINE ENGINE FLORES, JUAN G 3745 Non-Final OA Jun 20, 2024
18746600 PROPULSION DEVICE WITH THRUST REVERSER LOCATING ARRANGEMENT KIM, TAE JUN 3799 Non-Final OA Jun 18, 2024
18739584 NOSECONE FOR A DUCTED FAN GAS TURBINE ENGINE CLARK, RYAN C 3745 Non-Final OA Jun 11, 2024
18738941 BATTERY HEALTH DETERMINATION APPARATUS AND METHOD LE, SON T 2858 Non-Final OA Jun 10, 2024
18738784 FUEL SYSTEM MALATEK, KATHERYN A 3741 Final Rejection Jun 10, 2024
18736062 METHOD OF MANUFACTURING A COMPOSITE ARTICLE PRECURSOR PAGE, HANA C 1745 Non-Final OA Jun 06, 2024
18677149 CONVERTER FAULT PROTECTION RIVERA-PEREZ, CARLOS O 2838 Non-Final OA May 29, 2024
18660436 POWER ELECTRONICS CONVERTER NOVAK, PETER MICHAEL 2838 Non-Final OA May 10, 2024
18647507 SYSTEM AND METHOD FOR SCANNING A COMPONENT FOX, DANIELLE A 2884 Non-Final OA Apr 26, 2024
18631539 CRYOGENIC FUELLED AIRCRAFT PROPULSION SYSTEM KIM, TAE JUN 3799 Non-Final OA Apr 10, 2024
18588431 PODDED ENGINE ADAPTOR MICHENER, JOSHUA J 3642 Non-Final OA Feb 27, 2024
18435205 EXCITATION SYSTEM HOPKINS, BRANDI N 2855 Non-Final OA Feb 07, 2024
18425008 JUNCTION TEMPERATURE ESTIMATION HE, AMY 2858 Non-Final OA Jan 29, 2024
18536847 METHOD FOR SCANNING OF OBJECTS IN A SCANNING APPARATUS LEE, SHUN K 2884 Final Rejection Dec 12, 2023
18524040 METHOD OF IDENTIFYING NON-CONFORMANCE OF A COMPONENT ANSARI, TAHMINA N 2674 Non-Final OA Nov 30, 2023
18523453 METHOD OF MONITORING A HEALTH STATE OF A POWER SEMICONDUCTOR DEVICE CLARKE, ADAM S 2858 Non-Final OA Nov 29, 2023
18510948 SYSTEM AND METHOD FOR DETERMINING LOCATION OF OBJECT DO, ANDREW V 2852 Non-Final OA Nov 16, 2023
18467387 AEROFOIL FOR A GAS TURBINE ENGINE PRUITT, JUSTIN A 3745 Non-Final OA Sep 14, 2023
18452742 COMPONENT AND METHOD OF MANUFACTURING THEREOF TOLAN, EDWARD THOMAS 3725 Non-Final OA Aug 21, 2023
18233592 THERMAL MANAGEMENT SYSTEM FOR AN AIRCRAFT MEILLER, SEAN V 3741 Non-Final OA Aug 14, 2023
18233533 THERMAL MANAGEMENT SYSTEM FOR AN AIRCRAFT WITH A HEAT EXCHANGER THAT TRANSFERS WASTE HEAT ENERGY LISOWSKI, JACEK 3741 Final Rejection Aug 14, 2023
18358242 METHOD OF MANUFACTURING A COMPONENT YANG, JIE 1734 Final Rejection Jul 25, 2023
18215567 WOVEN FABRICS FOR COMPOSITE COMPONENTS SULTANA, NAHIDA 1743 Non-Final OA Jun 28, 2023
18215558 WOVEN FABRICS FOR COMPOSITE COMPONENTS MATZEK, MATTHEW D 1786 Non-Final OA Jun 28, 2023
18340980 APPARATUS AND METHOD GROUX, JENNIFER LILA 1754 Final Rejection Jun 26, 2023
18322916 REPAIR SYSTEM AND METHOD FOR IN-SITU REPAIR OF MACHINE BELAY, DILNESSA B 3761 Non-Final OA May 24, 2023
18038520 SYSTEM FOR REPLY GENERATION JACKSON, JAKIEDA R 2657 Final Rejection May 24, 2023
18176916 APPARATUS AND METHOD FOR COATING SUBSTRATE ROLLAND, ALEX A 1759 Final Rejection Mar 01, 2023
18169619 GAS TURBINE ENGINE WITH AN ENVIRONMENTAL TEMPERATURE DEPENDANT HEAT MANAGEMENT SYSTEM AMAR, MARC J 3741 Non-Final OA Feb 15, 2023
18169658 GAS TURBINE ENGINE SEBASCO CHENG, STEPHANIE 3741 Final Rejection Feb 15, 2023
18016777 REFUELLING AND/OR STORAGE NEUTRON-ABSORBING RODS DAVIS, SHARON M 3646 Non-Final OA Jan 18, 2023
18154565 ELECTRICAL ENERGY SYSTEM HAVING DIFFERENT AXIAL LENGTHS FOR EFFICIENT POWER GENERATION LISOWSKI, JACEK 3741 Final Rejection Jan 13, 2023
17988538 AIRCRAFT POWER AND PROPULSION SYSTEMS AND METHODS OF OPERATING AIRCRAFT POWER AND PROPULSION SYSTEMS BURKE, THOMAS P 3741 Final Rejection Nov 16, 2022
17655689 COMPUTER-IMPLEMENTED METHODS FOR DETERMINING DAMAGE TO AN AIRCRAFT ALGEHAIM, MOHAMED A 3668 Non-Final OA Mar 21, 2022

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