Prosecution Insights
Last updated: April 19, 2026

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

12 pending office actions • 4 clients

Portfolio Summary

12
Total Pending OAs
5
Final Rejections
7
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
IMERTECH SAS 9
IMERTECH SAS 1
Imerys Usa, Inc. 1
Centre National De La Recherche Scientifique 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18770337 CERAMIC COMPOSITIONS IMERTECH SAS SNELTING, ERIN LYNN 1741 Non-Final OA Jul 11, 2024
18549649 SURFACE MODIFIED CALCIUM CARBONATE AND USE THEREOF IN POLYMER SYSTEMS IMERTECH SAS WOLLSCHLAGER, JEFFREY MICHAEL 1742 Non-Final OA Sep 08, 2023
18547538 PARTICULATE MATERIAL SUITABLE FOR USE AS CAT LITTER IMERTECH SAS LEAVITT, MORDECAI MIZANI 1742 Non-Final OA Aug 23, 2023
18261192 ALKALINE EARTH METAL CARBONATES FOR COSMIC COMPOSTIONS IMERTECH SAS LIU, TRACY 1614 Final Rejection Jul 12, 2023
18003233 ABRASIVE ZIRCONIUM CORUNDUM GRAINS HAVING A HIGH SIO2 CONTENT IMERTECH SAS MCDONOUGH, JAMES E 1734 Final Rejection Dec 23, 2022
17998287 TALC PARTICULATE IMERTECH SAS KOLB, KATARZYNA I 1767 Final Rejection Nov 09, 2022
17800554 USE OF MICA IN PRESSED POWDER IMERTECH SAS ALAM, AYAAN A 1611 Final Rejection Aug 18, 2022
17767223 GRAPHITE COMPOSITIONS AND USES IN BATTERY TECHNOLOGY IMERTECH SAS D'ANIELLO, NICHOLAS P 1723 Non-Final OA Apr 07, 2022
17613581 FLAME RETARDANT PLOYMER COMPOSITION AND METHODS OF USE Imerys Usa, Inc. DIGGS, TANISHA 1761 Final Rejection Nov 23, 2021
17607356 AUTOCLAVED CEMENT COMPOSITIONS IMERTECH SAS CHAU, LISA N 1785 Non-Final OA Oct 28, 2021
17299653 EXPANDED AND EXPANDABLE GRANULAR MATERIALS IMERTECH SAS DIGGS, TANISHA 1761 Non-Final OA Jun 03, 2021
15733316 METHOD FOR PREPARING SYNTHETIC PHYLLOSILICATES Centre National De La Recherche Scientifique CORALLO, CATRIONA MARY 1732 Non-Final OA Jun 25, 2020

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