The weekly litigation news digest is live. Subscribe now
The patent EP2300487 was granted to Arkema France on Mar 13, 2019. The application was filed on May 14, 2009 under application number EP09745806A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| REAGENS | Dec 13, 2019 | CATTANEO | ADMISSIBLE |
| GALATA CHEMICALS | Dec 12, 2019 | PRINZ & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0010008 |
| DESCRIPTION | EP0501780 |
| DESCRIPTION | EP1225177 |
| DESCRIPTION | GB1510573 |
| DESCRIPTION | WO2007006783 |
| EXAMINATION | DE2148774 |
| EXAMINATION | DE2559820 |
| EXAMINATION | EP0124833 |
| EXAMINATION | GB1510973 |
| EXAMINATION | US4496490 |
| EXAMINATION | USRE32935E |
| INTERNATIONAL-SEARCH-REPORT | DE102004037369 |
| INTERNATIONAL-SEARCH-REPORT | DE112005001194T |
| INTERNATIONAL-SEARCH-REPORT | DE2639086 |
| INTERNATIONAL-SEARCH-REPORT | EP1389620 |
| INTERNATIONAL-SEARCH-REPORT | EP1743898 |
| INTERNATIONAL-SEARCH-REPORT | FR1320473 |
| INTERNATIONAL-SEARCH-REPORT | JPS57188598 |
| INTERNATIONAL-SEARCH-REPORT | NL7811090 |
| OTHER | US4496490 |
| OTHER | USRE32935E |
The 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
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 2, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 4, 2024
Sep 4, 2024
Aug 29, 2024
(Electronic) Receipt
Appeal
Aug 29, 2024
Aug 29, 2024
May 8, 2024
May 8, 2024
May 8, 2024
Mar 11, 2024
Mar 11, 2024
Mar 7, 2024
(Electronic) Receipt
Appeal
Mar 7, 2024
Mar 7, 2024
Feb 27, 2024
Refund of fees
Appeal
Feb 16, 2024
Feb 16, 2024
Feb 12, 2024
(Electronic) Receipt
Appeal
Feb 12, 2024
Feb 12, 2024
Withdrawal of an appeal
Appeal
Nov 16, 2023
(Electronic) Receipt
Appeal
Nov 16, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 23, 2023
Oct 23, 2023
Sep 26, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 10, 2023
(Electronic) Receipt
Appeal
Feb 10, 2023
Feb 10, 2023
Reply to appeal
Appeal
Feb 9, 2023
(Electronic) Receipt
Appeal
Feb 9, 2023
Feb 9, 2023
Reply to appeal
Appeal
Jan 31, 2023
Jan 31, 2023
Jan 24, 2023
(Electronic) Receipt
Appeal
Jan 24, 2023
Jan 24, 2023
Reply to appeal
Appeal
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 27, 2022
Sep 26, 2022
(Electronic) Receipt
Appeal
Sep 26, 2022
(Electronic) Receipt
Appeal
Sep 26, 2022
(Electronic) Receipt
Appeal
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Claims
Appeal
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Jul 29, 2022
Jul 29, 2022
Jul 25, 2022
(Electronic) Receipt
Appeal
Jul 25, 2022
(Electronic) Receipt
Appeal
Jul 25, 2022
Jul 25, 2022
Jul 25, 2022
Notice of appeal
Appeal
Jul 25, 2022
Notice of appeal
Appeal
May 20, 2022
May 20, 2022
May 20, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
Means of redress
OPPO
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
May 16, 2022
Mar 9, 2022
Mar 3, 2022
Mar 3, 2022
Mar 2, 2022
Mar 2, 2022
Mar 2, 2022
Mar 2, 2022
Mar 2, 2022
Mar 2, 2022
Mar 2, 2022
Feb 10, 2022
Feb 10, 2022
Feb 7, 2022
Feb 7, 2022
Feb 7, 2022
Feb 3, 2022
Feb 3, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 13, 2022
Jan 13, 2022
Jan 13, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Jan 5, 2022
Dec 23, 2021
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Jun 2, 2021
Jun 2, 2021
May 27, 2021
May 27, 2021
Sep 14, 2020
Sep 14, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Jul 8, 2020
Jul 8, 2020
Jul 1, 2020
Jul 1, 2020
Jul 1, 2020
May 29, 2020
May 14, 2020
May 14, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Jan 16, 2020
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Dec 20, 2019
Dec 18, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Mar 25, 2019
Feb 14, 2019
Decision to grant a European patent
Search/Exam
Jan 30, 2019
(Electronic) Receipt
Search/Exam
Jan 30, 2019
French translation of claims
Search/Exam
Jan 30, 2019
German translation of the claims
Search/Exam
Jan 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Oct 23, 2018
Intention to grant (signatures)
Search/Exam
Oct 23, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 23, 2018
May 4, 2018
(Electronic) Receipt
Search/Exam
May 4, 2018
Amended description with annotations
Search/Exam
May 4, 2018
Description
Search/Exam
May 4, 2018
Letter accompanying subsequently filed items
Search/Exam
May 4, 2018
Jan 25, 2018
Jan 25, 2018
Jan 18, 2018
(Electronic) Receipt
Search/Exam
Jan 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2018
Non-patent literature filed by a third party
Search/Exam
Jan 18, 2018
Observations by third parties
Search/Exam
Jan 2, 2018
Annex to the communication
Search/Exam
Jan 2, 2018
Communication from the Examining Division
Search/Exam
Dec 11, 2017
(Electronic) Receipt
Search/Exam
Dec 11, 2017
Amended claims with annotations
Search/Exam
Dec 11, 2017
Claims
Search/Exam
Dec 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2017
Aug 8, 2017
Annex to the communication
Search/Exam
Aug 8, 2017
Communication from the Examining Division
Search/Exam
Jun 1, 2017
(Electronic) Receipt
Search/Exam
Jun 1, 2017
Amended claims with annotations
Search/Exam
Jun 1, 2017
Claims
Search/Exam
Jun 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2017
Apr 5, 2017
Mar 30, 2017
(Electronic) Receipt
Search/Exam
Mar 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2017
Mar 2, 2017
Mar 2, 2017
Feb 14, 2017
(Electronic) Receipt
Search/Exam
Feb 14, 2017
Authorisation
Search/Exam
Feb 14, 2017
Nov 25, 2016
Annex to the communication
Search/Exam
Nov 25, 2016
Communication from the Examining Division
Search/Exam
Sep 7, 2016
Decision to allow further processing
Search/Exam
Aug 24, 2016
(Electronic) Receipt
Search/Exam
Aug 24, 2016
Amended claims with annotations
Search/Exam
Aug 24, 2016
Claims
Search/Exam
Aug 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 24, 2016
Request for further processing
Search/Exam
Jun 14, 2016
Feb 29, 2016
Feb 24, 2016
(Electronic) Receipt
Search/Exam
Feb 24, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2016
Nov 5, 2015
Annex to the communication
Search/Exam
Nov 5, 2015
Communication from the Examining Division
Search/Exam
Aug 21, 2015
Aug 21, 2015
Aug 12, 2015
Decision to allow further processing
Search/Exam
Aug 12, 2015
Observations by third parties
Search/Exam
Aug 12, 2015
Patent document filed by a Third party
Search/Exam
Aug 12, 2015
Patent document filed by a Third party
Search/Exam
Jul 29, 2015
(Electronic) Receipt
Search/Exam
Jul 29, 2015
Amended claims with annotations
Search/Exam
Jul 29, 2015
Claims
Search/Exam
Jul 29, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2015
Request for further processing
Search/Exam
May 29, 2015
Letter concerning fees and payments
Search/Exam
May 29, 2015
Payment of fees and costs
Search/Exam
May 28, 2015
Feb 19, 2015
Feb 16, 2015
(Electronic) Receipt
Search/Exam
Feb 16, 2015
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2015
Oct 21, 2014
Annex to a communication
Search/Exam
Oct 21, 2014
Annex to the communication
Search/Exam
Oct 21, 2014
Communication from the Examining Division
Search/Exam
May 29, 2014
Payment of fees and costs
Search/Exam
May 14, 2014
(Electronic) Receipt
Search/Exam
May 14, 2014
Amended claims with annotations
Search/Exam
May 14, 2014
Claims
Search/Exam
May 14, 2014
Letter accompanying subsequently filed items
Search/Exam
May 14, 2014
Jan 16, 2014
Annex to the communication
Search/Exam
Jan 16, 2014
Communication from the Examining Division
Search/Exam
Dec 5, 2013
(Electronic) Receipt
Search/Exam
Dec 5, 2013
Amended claims with annotations
Search/Exam
Dec 5, 2013
Amended description with annotations
Search/Exam
Dec 5, 2013
Claims
Search/Exam
Dec 5, 2013
Description
Search/Exam
Dec 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2013
Oct 28, 2013
Annex to the communication
Search/Exam
Oct 28, 2013
Communication from the Examining Division
Search/Exam
Jan 22, 2013
Jan 10, 2013
(Electronic) Receipt
Search/Exam
Jan 10, 2013
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2013
Jan 8, 2013
Dec 27, 2012
(Electronic) Receipt
Search/Exam
Dec 27, 2012
Letter accompanying subsequently filed items
Search/Exam
Dec 27, 2012
Submission concerning representation
Search/Exam
Dec 5, 2012
Dec 3, 2012
Nov 23, 2012
(Electronic) Receipt
Search/Exam
Nov 23, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2012
Letter concerning fees and payments
Search/Exam
Nov 19, 2012
(Electronic) Receipt
Search/Exam
Nov 19, 2012
(Electronic) Receipt
Search/Exam
Nov 19, 2012
Annexes in respect of a client data request
Search/Exam
Nov 19, 2012
Claims
Search/Exam
Nov 19, 2012
Description
Search/Exam
Nov 19, 2012
Description
Search/Exam
Nov 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2012
Letter accompanying subsequently filed items
Search/Exam
Nov 19, 2012
Nov 19, 2012
Nov 14, 2012
Nov 14, 2012
Nov 8, 2012
Observations by third parties
Search/Exam
Sep 6, 2012
Aug 31, 2012
(Electronic) Receipt
Search/Exam
Aug 31, 2012
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2012
May 8, 2012
Annex to the communication
Search/Exam
May 8, 2012
Communication from the Examining Division
Search/Exam
Apr 24, 2012
Decision to allow further processing
Search/Exam
Apr 11, 2012
(Electronic) Receipt
Search/Exam
Apr 11, 2012
Amended claims with annotations
Search/Exam
Apr 11, 2012
Claims
Search/Exam
Apr 11, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2012
Request for further processing
Search/Exam
Feb 2, 2012
Oct 28, 2011
Oct 21, 2011
(Electronic) Receipt
Search/Exam
Oct 21, 2011
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2011
Jun 15, 2011
Annex to the communication
Search/Exam
Jun 15, 2011
Communication from the Examining Division
Search/Exam
Mar 14, 2011
(Electronic) Receipt
Search/Exam
Mar 14, 2011
(Electronic) Receipt
Search/Exam
Mar 14, 2011
Mar 14, 2011
Amended claims with annotations
Search/Exam
Mar 14, 2011
Amendments received before examination
Search/Exam
Mar 14, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 14, 2011
Letter concerning the inventor
Search/Exam
Mar 2, 2011
Feb 25, 2011
Feb 25, 2011
Feb 16, 2011
Letter which had not been notified
Search/Exam
Feb 4, 2011
Feb 3, 2011
Letter which had not been notified
Search/Exam
Dec 8, 2010
(Electronic) Receipt
Search/Exam
Dec 8, 2010
Request for entry into the European phase
Search/Exam
Dec 3, 2010
Sep 24, 2010
Information on entry into European phase
Search/Exam
Dec 9, 2009
Dec 9, 2009
Dec 9, 2009
Nov 19, 2009
Copy of the international search report
Search/Exam
Nov 19, 2009
Nov 19, 2009
Published international application - A1
Search/Exam
Sep 24, 2009
Sep 24, 2009
Sep 24, 2009
Jun 8, 2009
May 14, 2009
(Electronic) Receipt
PCTRO
May 14, 2009
Abstract
PCTRO
May 14, 2009
Claims
PCTRO
May 14, 2009
Description
PCTRO
May 14, 2009
May 14, 2009