Prosecution Insights
Last updated: April 19, 2026

Dupont Electronic Materials Holding, Inc.

12 pending office actions • 5 clients

Portfolio Summary

12
Total Pending OAs
1
Final Rejections
11
Non-Final OAs

Client Portfolio (5 clients)

Client (Assignee)Pending OAs
Rohm And Haas Electronic Materials Cmp Holdings, Inc. 5
Dupont Electronic Materials Holding, Inc. 3
Dupont Specialty Products Usa, LLC 2
Dupont Electronic Materials Holdings, Inc. 1
Rohm And Haas Electronic Materials Cmp Holdings, Inc. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18750740 Untitled Dupont Specialty Products Usa, LLC REITZ, MICHAEL K. 3745 Non-Final OA
18750662 Untitled Dupont Specialty Products Usa, LLC REITZ, MICHAEL K. 3745 Non-Final OA
18409628 Functionalized Carbon Particle CMP Slurry Dispersion Dupont Electronic Materials Holdings, Inc. TRAN, BINH X 1713 Non-Final OA Jan 10, 2024
18409615 Functionalized Metal and Nitride CMP Slurry Dupont Electronic Materials Holding, Inc. PHAM, THOMAS T 1713 Non-Final OA Jan 10, 2024
18404443 POLISHING PAD WITH ENDPOINT WINDOW Rohm And Haas Electronic Materials Cmp Holdings, Inc. RIVERA, CARLOS A 3723 Non-Final OA Jan 04, 2024
18404415 POLISHING PAD WITH ENDPOINT WINDOW Rohm And Haas Electronic Materials Cmp Holdings, Inc. LARSON, JOHN MICHAEL 3723 Non-Final OA Jan 04, 2024
18490290 MICRO-LAYER CMP POLISHING SUBPAD Rohm And Haas Electronic Materials Cmp Holdings, Inc. MARTIN, KEEGAN THOMAS 3723 Non-Final OA Oct 19, 2023
18490345 DUAL-LAYER CMP POLISHING SUBPAD Rohm And Haas Electronic Materials Cmp Holdings, Inc. FRANCISCO, TRISHA JOY UTULO 3723 Non-Final OA Oct 19, 2023
18373660 CHEMICAL MECHANICAL POLISHING PAD Dupont Electronic Materials Holding, Inc. LOUGHRAN, RYAN PATRICK 1731 Non-Final OA Sep 27, 2023
18351031 CHEMICAL MECHANICAL POLISHING COMPOSITION AND METHOD FOR PREVENTING POLISHING PAD GROOVE CLOGGING Dupont Electronic Materials Holding, Inc. LU, JIONG-PING 1713 Final Rejection Jul 12, 2023
16829024 CMP POLISHING PAD WITH PROTRUDING STRUCTURES HAVING ENGINEERED OPEN VOID SPACE Rohm And Haas Electronic Materials Cmp Holdings, Inc. HUANG, STEVEN 3723 Non-Final OA Mar 25, 2020
16435913 THIN FILM FLUOROPOLYMER COMPOSITE CMP POLISHING PAD Rohm And Haas Electronic Materials Cmp Holdings, Inc. PARVINI, PEGAH 1731 Non-Final OA Jun 10, 2019

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