Prosecution Insights
Last updated: April 19, 2026

Cantor Colburn LLP - Dupont

7 pending office actions • 4 clients

Portfolio Summary

7
Total Pending OAs
1
Final Rejections
6
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Rohm And Haas Electronic Materials LLC 4
Dupont Electronic Materials International, LLC 1
Dupont Electronics, Inc. 1
Rohm And Haas Electronic Materials Korea Ltd. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18354410 PHOTOACID GENERATORS, PHOTORESIST COMPOSITIONS, AND PATTERN FORMATION METHODS Rohm And Haas Electronic Materials LLC ROBINSON, CHANCEITY N 1737 Non-Final OA Jul 18, 2023
18222666 PHOTORESIST COMPOSITION AND METALLIZATION METHOD Dupont Electronic Materials International, LLC CHU, JOHN S Y 1737 Non-Final OA Jul 17, 2023
18352646 PHOTOACTIVE COMPOUNDS, PHOTORESIST COMPOSITIONS INCLUDING THE SAME, AND PATTERN FORMATION METHODS Rohm And Haas Electronic Materials LLC EOFF, ANCA 1722 Non-Final OA Jul 14, 2023
18088095 AQUEOUS INKJET COMPOSITIONS INCLUDING POLYMERIC THICKENER Dupont Electronics, Inc. KOLB, KATARZYNA I 1767 Final Rejection Dec 23, 2022
18085082 PHOTORESIST UNDERLAYER COMPOSITION Rohm And Haas Electronic Materials Korea Ltd. CHU, JOHN S Y 1737 Non-Final OA Dec 20, 2022
17490923 IODINE-CONTAINING ACID CLEAVABLE COMPOUNDS, POLYMERS DERIVED THEREFROM, AND PHOTORESIST COMPOSITIONS Rohm And Haas Electronic Materials LLC MALLOY, ANNA E 1737 Non-Final OA Sep 30, 2021
17462216 PHOTORESIST COMPOSITIONS AND PATTERN FORMATION METHODS Rohm And Haas Electronic Materials LLC CHAMPION, RICHARD DAVID 1737 Non-Final OA Aug 31, 2021

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