The patent EP2768621 was granted to Imerys Pigments on Dec 2, 2020. The application was originally filed on Oct 10, 2013 under application number EP13840112A. The patent is currently recorded with a legal status of "Revoked".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | EP0614948 | 
| DESCRIPTION | US2006292305 | 
| INTERNATIONAL-SEARCH-REPORT | US2009170994 | 
| INTERNATIONAL-SEARCH-REPORT | US6616749 | 
| INTERNATIONAL-SEARCH-REPORT | US7744688 | 
| OPPOSITION | JPH06101197 | 
| OPPOSITION | US5128606 | 
| OPPOSITION | US6616749 | 
| OPPOSITION | WO0059840 | 
| OPPOSITION | WO2009117649 | 
| OPPOSITION | WO2013015841 | 
| OPPOSITION | WO9209746 | 
| SEARCH | US2006102304 | 
| SEARCH | US2006292305 | 
| SEARCH | US2009170994 | 
| SEARCH | US6616749 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - (20210427), URL: https://imisrise.tappi.org/ TAPPI /Products/10/NAN/10NANO38.as px | 
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Jan 30, 2025
Jan 21, 2025
Jan 16, 2025
(Electronic) Receipt
Appeal
Jan 16, 2025
Jan 16, 2025
Dec 13, 2024
Dec 13, 2024
Jul 11, 2024
Jul 11, 2024
Jul 8, 2024
Jul 8, 2024
Feb 23, 2024
Feb 19, 2024
(Electronic) Receipt
Appeal
Feb 19, 2024
Feb 19, 2024
Jan 19, 2024
Jan 12, 2024
Jan 9, 2024
Jan 8, 2024
(Electronic) Receipt
Appeal
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Jan 8, 2024
Reply to appeal
Appeal
Aug 28, 2023
Aug 23, 2023
(Electronic) Receipt
Appeal
Aug 23, 2023
Aug 23, 2023
Jun 20, 2023
Jun 20, 2023
Jun 13, 2023
(Electronic) Receipt
Appeal
Jun 13, 2023
Jun 13, 2023
Notice of appeal
Appeal
Apr 19, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Means of redress
OPPO
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 13, 2023
Mar 14, 2023
Feb 14, 2023
Feb 3, 2023
Feb 3, 2023
Jan 23, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Oct 27, 2022
Oct 24, 2022
Oct 13, 2022
Sep 28, 2022
Aug 31, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
May 26, 2022
May 25, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
Sep 16, 2021
Sep 16, 2021
Sep 7, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Dec 14, 2020
Nov 5, 2020
Decision to grant a European patent
Search/Exam
Oct 14, 2020
(Electronic) Receipt
Search/Exam
Oct 14, 2020
Filing of the translations of the claims
Search/Exam
Oct 14, 2020
French translation of claims
Search/Exam
Oct 14, 2020
German translation of the claims
Search/Exam
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Intention to grant (signatures)
Search/Exam
Jun 4, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2020
Mar 2, 2020
(Electronic) Receipt
Search/Exam
Mar 2, 2020
Amended claims with annotations
Search/Exam
Mar 2, 2020
Amended description with annotations
Search/Exam
Mar 2, 2020
Claims
Search/Exam
Mar 2, 2020
Description
Search/Exam
Mar 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2020
Oct 21, 2019
Annex to the communication
Search/Exam
Oct 21, 2019
Communication from the Examining Division
Search/Exam
Jun 13, 2019
(Electronic) Receipt
Search/Exam
Jun 13, 2019
Amended claims with annotations
Search/Exam
Jun 13, 2019
Claims
Search/Exam
Jun 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2019
Apr 25, 2019
Submission concerning representation
Search/Exam
Mar 7, 2019
Annex to the communication
Search/Exam
Mar 7, 2019
Communication from the Examining Division
Search/Exam
Jan 22, 2019
(Electronic) Receipt
Search/Exam
Jan 22, 2019
Amended description with annotations
Search/Exam
Jan 22, 2019
Description
Search/Exam
Jan 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 22, 2019
Nov 30, 2018
Nov 23, 2018
(Electronic) Receipt
Search/Exam
Nov 23, 2018
Sep 17, 2018
Annex to the communication
Search/Exam
Sep 17, 2018
Communication from the Examining Division
Search/Exam
Jun 6, 2018
Decision to allow further processing
Search/Exam
May 25, 2018
(Electronic) Receipt
Search/Exam
May 25, 2018
Amended claims with annotations
Search/Exam
May 25, 2018
Claims
Search/Exam
May 25, 2018
Letter accompanying subsequently filed items
Search/Exam
May 25, 2018
Request for further processing
Search/Exam
Mar 16, 2018
Dec 18, 2017
Dec 12, 2017
(Electronic) Receipt
Search/Exam
Dec 12, 2017
Aug 7, 2017
Annex to the communication
Search/Exam
Aug 7, 2017
Communication from the Examining Division
Search/Exam
Aug 1, 2017
Examination started
Search/Exam
Jan 22, 2016
(Electronic) Receipt
Search/Exam
Jan 22, 2016
Jan 22, 2016
Amended claims with annotations
Search/Exam
Jan 22, 2016
Amendments received before examination
Search/Exam
Jan 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2015
Jun 25, 2015
Jun 25, 2015
European search opinion
Search/Exam
Jun 25, 2015
Supplementary European search report
Search/Exam
Jun 15, 2015
Search started
Search/Exam
May 22, 2015
Communication to designated inventor
Search/Exam
May 22, 2015
Communication to designated inventor
Search/Exam
Feb 27, 2015
Request for further processing allowed
Search/Exam
Feb 20, 2015
Note on telephone consultation
Search/Exam
Feb 11, 2015
(Electronic) Receipt
Search/Exam
Feb 11, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2014
Dec 19, 2014
Note on telephone consultation
Search/Exam
Nov 21, 2014
(Electronic) Receipt
Search/Exam
Nov 21, 2014
Nov 21, 2014
Amended claims with annotations
Search/Exam
Nov 21, 2014
Amendments received before examination
Search/Exam
Nov 21, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2014
Jul 25, 2014
May 13, 2014
May 13, 2014
May 9, 2014
Information regarding early processing
Search/Exam
Apr 30, 2014
Annex
Search/Exam
Apr 30, 2014
Apr 30, 2014
Reply by International Bureau
Search/Exam
Apr 24, 2014
Copy of the international search report
Search/Exam
Apr 24, 2014
Published international application - A1
Search/Exam
Apr 22, 2014
Enquiry with the International Bureau
Search/Exam
Apr 22, 2014
Information regarding early processing
Search/Exam
Mar 28, 2014
(Electronic) Receipt
Search/Exam
Mar 28, 2014
Matter concerning the application
Search/Exam
Mar 28, 2014
Request for entry into the European phase
Search/Exam