Prosecution Insights
Last updated: April 19, 2026

SK Innovation Co. Ltd.

24 pending office actions

Portfolio Summary

24
Total Pending OAs
8
Final Rejections
16
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19021736 Carbon Dioxide Absorbent Comprising Ionic Liquid and Alcohol Solvent, and Method Of Separating Carbon Dioxide Using the Same RAJA, JAANZEB CHAANGEZ 1736 Non-Final OA Jan 15, 2025
18640458 Method for Preparing Sustainable Aviation Fuel PO, MING CHEUNG 1771 Non-Final OA Apr 19, 2024
18549348 METHOD FOR RECOVERING LITHIUM PRECURSOR FROM LITHIUM SECONDARY BATTERY GREGORIO, GUINEVER S 1732 Non-Final OA Sep 07, 2023
18233482 Polyimide Composition, Flexible Smart Window and Method of Fabricating Flexible Smart Window FREEMAN, JOHN D 1787 Non-Final OA Aug 14, 2023
18333643 METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY PARK, LISA S 1729 Non-Final OA Jun 13, 2023
18315505 OPTICAL MULTILAYER STRUCTURE, METHOD OF MANUFACTURING THE SAME, AND WINDOW COVER FILM INCLUDING THE SAME FROST, ANTHONY J 1782 Non-Final OA May 11, 2023
18188533 Anode Active Material for Lithium Secondary Battery and Lithium Secondary Battery Including the Same JACOBSON, SARAH JORDAN 1785 Non-Final OA Mar 23, 2023
18187669 POROUS AMORPHOUS METAL OXIDE-BASED CATALYSTS FOR OXYGEN EVOLUTION REACTION AND WATER SPLITTING SYSTEM USING THE SAME RUFO, LOUIS J 1795 Non-Final OA Mar 22, 2023
18182381 CATHODE COMPOSITION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY MANUFACTURED USING THE SAME AMPONSAH, OSEI K 1752 Final Rejection Mar 13, 2023
18094762 ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME AMPONSAH, OSEI K 1752 Final Rejection Jan 09, 2023
18093463 NEGATIVE ELECTRODE INCLUDING SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME JACOBSON, SARAH JORDAN 1785 Non-Final OA Jan 05, 2023
18092937 LITHIUM SECONDARY BATTERY METZGER, KATHERINE J 1723 Final Rejection Jan 04, 2023
18086327 NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME HAILEY, PATRICIA L 1732 Non-Final OA Dec 21, 2022
18074287 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME OROZCO, MARIA F 1729 Final Rejection Dec 02, 2022
17879015 Method of Recovering Nitrogen and Sulfur Resources Through Anaerobic Fermentation MOSS, NATALIE M 1653 Non-Final OA Aug 02, 2022
17689734 POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME KASS-MULLET, BENJAMIN ELI 1752 Non-Final OA Mar 08, 2022
17685743 METHOD FOR MANUFACTURING ELECTRODE SLURRY FOR SECONDARY BATTERY, AND ELECTRODE INCLUDING THE SAME CHOI, EVERETT TIMOTHY 1751 Non-Final OA Mar 03, 2022
17584032 POUCH-TYPE SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND POUCH-TYPE SECONDARY BATTERY MANUFACTURED THEREFROM SRIPATHI, ANKITH REDDY 1728 Final Rejection Jan 25, 2022
17578016 ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME ORTIZ, ARYANA YASMINE 1751 Non-Final OA Jan 18, 2022
17495100 SECONDARY BATTERY GARCIA, BETHANY CLAIRE 1721 Final Rejection Oct 06, 2021
17474274 CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME NEWMAN, DREW C 1751 Final Rejection Sep 14, 2021
17401916 ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME AMPONSAH, OSEI K 1752 Final Rejection Aug 13, 2021
17387326 BATTERY PACK RUTISER, CLAIRE A 1751 Non-Final OA Jul 28, 2021
16884207 LITHIUM SECONDARY BATTERY WALLS, CYNTHIA KYUNG SOO 1751 Non-Final OA May 27, 2020

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