Prosecution Insights
Last updated: April 19, 2026

Dupont Electronic Materials International, LLC

42 pending office actions • 5 clients

Portfolio Summary

42
Total Pending OAs
16
Final Rejections
26
Non-Final OAs

Client Portfolio (5 clients)

Client (Assignee)Pending OAs
Rohm And Haas Electronic Materials Korea Ltd. 36
Dupont Specialty Materials Korea Ltd. 2
Dupont Electronic Materials International, LLC 2
Rohm And Haas Electronic Materials LLC 1
Rohm And Haas Electronic Materials Korea Ltd. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19392512 Untitled Dupont Specialty Materials Korea Ltd. CLARK, GREGORY D 1786 Non-Final OA
19175339 METHOD OF INHIBITING TARNISH FORMATION AND CORROSION Dupont Electronic Materials International, LLC WONG, EDNA 1795 Non-Final OA Apr 10, 2025
18921469 COMPOSITION MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE, PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Dupont Specialty Materials Korea Ltd. YOUNG, WILLIAM D 1761 Final Rejection Oct 21, 2024
18581733 ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. SIMBANA, RACHEL A 1786 Non-Final OA Feb 20, 2024
18431116 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Non-Final OA Feb 02, 2024
18406662 PLURALITY OF ORGANIC ELECTROLUMINESCENT MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. DAHLBURG, ELIZABETH M 1786 Non-Final OA Jan 08, 2024
18364653 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. ZHANG, RUIYUN 1782 Final Rejection Aug 03, 2023
18324450 COMPOUNDS, MONOMERS, POLYMERS, PHOTORESIST COMPOSITIONS AND PATTERN FORMATION METHODS Dupont Electronic Materials International, LLC TRAYWICK, ANDREW PRESTON 1737 Non-Final OA May 26, 2023
18296538 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. YOO, SUN JAE 1621 Non-Final OA Apr 06, 2023
18172989 ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT COMPOUND Rohm And Haas Electronic Materials Korea Ltd. KOSACK, JOSEPH R 3991 Non-Final OA Feb 22, 2023
18163597 PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. FORTWENGLER, JAMES RICHARD 1789 Non-Final OA Feb 02, 2023
18162971 METHOD OF FILLING THROUGH-HOLES TO REDUCE VOIDS Rohm And Haas Electronic Materials LLC WITTENBERG, STEFANIE S 1795 Final Rejection Feb 01, 2023
18075632 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. ROBINSON, CHANCEITY N 1737 Non-Final OA Dec 06, 2022
18075353 PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. KERSHNER, DYLAN CLAY 1786 Non-Final OA Dec 05, 2022
18057295 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. THOMAS, JAISON P 1762 Non-Final OA Nov 21, 2022
17979252 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE Rohm And Haas Electronic Materials Korea Ltd. CLARK, GREGORY D 1786 Non-Final OA Nov 02, 2022
17976418 PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. CHANDHOK, JENNA N 1789 Final Rejection Oct 28, 2022
17952507 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. COOPER, BRANDON JOSEPH 1786 Non-Final OA Sep 26, 2022
17896508 ORGANIC ELECTROLUMINESCENT MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. NGUYEN, VU ANH 1762 Non-Final OA Aug 26, 2022
17877404 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. BOHATY, ANDREW K 1759 Final Rejection Jul 29, 2022
17833783 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. DEGUIRE, SEAN M 1786 Final Rejection Jun 06, 2022
17831568 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. YANG, JAY LEE 1786 Final Rejection Jun 03, 2022
17824449 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. JEON, SEOKMIN 1786 Final Rejection May 25, 2022
17679220 MULTI-COMPONENT HOST MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. BOHATY, ANDREW K 1759 Final Rejection Feb 24, 2022
17584791 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. LOEWE, ROBERT S 1766 Non-Final OA Jan 26, 2022
17550562 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Non-Final OA Dec 14, 2021
17516965 PLURALITY OF HOST MATERIALS, COMPOSITION COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Final Rejection Nov 02, 2021
17406741 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. KRUER, KEVIN R 1787 Final Rejection Aug 19, 2021
17425681 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. JOHNSON, CHRISTOPHER LINDSAY 1691 Final Rejection Jul 23, 2021
17423767 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. CHANDHOK, JENNA N 1789 Final Rejection Jul 16, 2021
17378266 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. ZHANG, RUIYUN 1782 Non-Final OA Jul 16, 2021
17285822 A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Non-Final OA Apr 15, 2021
17231835 ORGANIC ELECTROLUMINESCENT DEVICE Rohm And Haas Electronic Materials Korea Ltd. SIMBANA, RACHEL A 1786 Final Rejection Apr 15, 2021
17224075 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. DEGUIRE, SEAN M 1786 Non-Final OA Apr 06, 2021
17206835 ORGANIC ELECTROLUMINESCENT COMPOUND, ORGANIC ELECTROLUMINESCENT MATERIAL COMPRISING THE SAME, AND ORGANIC ELECTROLUMINESCENT DEVICE Rohm And Haas Electronic Materials Korea Ltd. KUCKLA, ANNA GRACE 1626 Non-Final OA Mar 19, 2021
17162993 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. PATEL, SAGAR S 1626 Non-Final OA Jan 29, 2021
17264745 PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Non-Final OA Jan 29, 2021
17263135 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. MCANANY, JOHN D 1625 Non-Final OA Jan 25, 2021
17119726 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. LOEWE, ROBERT S 1766 Non-Final OA Dec 11, 2020
17114005 ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. SIMBANA, RACHEL A 1786 Non-Final OA Dec 07, 2020
16924332 A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. ZHANG, RUIYUN 1782 Final Rejection Jul 09, 2020
16092826 A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Rohm And Haas Electronic Materials Korea Ltd. GARRETT, DAWN L 1786 Final Rejection Oct 11, 2018

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