The weekly litigation news digest is live. Subscribe now
The patent EP2912104 was granted to Versalis on May 26, 2021. The application was filed on Oct 17, 2013 under application number EP13779211A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| TOTAL RESEARCH & TECHNOLOGY FELUY | May 28, 2018 | PRONOVEM | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2011046249 |
| INTERNATIONAL-SEARCH-REPORT | US2011284793 |
| INTERNATIONAL-SEARCH-REPORT | US2012091388 |
| OPPOSITION | CA1333837 |
| OPPOSITION | EP0557836 |
| OPPOSITION | EP1957544 |
| OPPOSITION | EP2426152 |
| OPPOSITION | EP2426165 |
| OPPOSITION | US2004034142 |
| OPPOSITION | US2011130501 |
| OPPOSITION | US4935563 |
| OPPOSITION | US6225387 |
| OPPOSITION | US6291627 |
| OPPOSITION | WO2009135695 |
| OPPOSITION | WO2010141400 |
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
Mar 16, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Mar 9, 2021
Sep 24, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Jun 25, 2020
Jun 25, 2020
Jun 19, 2020
Jun 9, 2020
Jun 9, 2020
Jun 9, 2020
Jun 9, 2020
Jun 9, 2020
May 28, 2020
May 28, 2020
May 28, 2020
Description
OPPO
May 28, 2020
May 28, 2020
May 28, 2020
Feb 20, 2020
Feb 20, 2020
Feb 11, 2020
Oct 29, 2019
Oct 23, 2019
Oct 22, 2019
Oct 21, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Means of redress
OPPO
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Sep 3, 2019
Aug 27, 2019
Aug 21, 2019
Aug 21, 2019
Aug 13, 2019
Aug 8, 2019
Aug 8, 2019
Aug 8, 2019
Jul 9, 2019
Jul 9, 2019
Jul 5, 2019
Jul 4, 2019
Jul 3, 2019
Jul 3, 2019
Jul 3, 2019
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Claims
OPPO
Jul 3, 2019
Jul 3, 2019
Jul 3, 2019
Jul 3, 2019
Jul 2, 2019
Jul 2, 2019
Jul 1, 2019
Jun 25, 2019
Jun 25, 2019
Feb 28, 2019
Feb 20, 2019
Feb 20, 2019
Feb 18, 2019
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Nov 14, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Claims
OPPO
Nov 6, 2018
Claims
OPPO
Nov 6, 2018
Claims
OPPO
Nov 6, 2018
Nov 6, 2018
Aug 1, 2018
Aug 1, 2018
Jul 19, 2018
Jul 19, 2018
Authorisation
OPPO
Jul 19, 2018
Jul 19, 2018
Jun 27, 2018
Jun 27, 2018
Jun 4, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
May 28, 2018
Oct 24, 2017
Submission concerning representation
Search/Exam
Sep 20, 2017
Sep 7, 2017
Sep 7, 2017
Aug 10, 2017
Decision to grant a European patent
Search/Exam
Jul 27, 2017
(Electronic) Receipt
Search/Exam
Jul 27, 2017
Filing of the translations of the claims
Search/Exam
Jul 27, 2017
French translation of claims
Search/Exam
Jul 27, 2017
German translation of the claims
Search/Exam
Jul 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 13, 2017
Apr 13, 2017
Apr 13, 2017
Intention to grant (signatures)
Search/Exam
Apr 13, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 13, 2017
Jan 20, 2017
(Electronic) Receipt
Search/Exam
Jan 20, 2017
Amended description with annotations
Search/Exam
Jan 20, 2017
Description
Search/Exam
Jan 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2017
Dec 13, 2016
Annex to the communication
Search/Exam
Dec 13, 2016
Communication from the Examining Division
Search/Exam
Oct 17, 2016
(Electronic) Receipt
Search/Exam
Oct 17, 2016
Amended claims with annotations
Search/Exam
Oct 17, 2016
Amended description with annotations
Search/Exam
Oct 17, 2016
Claims
Search/Exam
Oct 17, 2016
Description
Search/Exam
Oct 17, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2016
Aug 3, 2016
Annex to the communication
Search/Exam
Aug 3, 2016
Communication from the Examining Division
Search/Exam
Jul 15, 2016
Examination started
Search/Exam
Dec 22, 2015
(Electronic) Receipt
Search/Exam
Dec 22, 2015
Dec 22, 2015
Amended claims with annotations
Search/Exam
Dec 22, 2015
Amendments received before examination
Search/Exam
Dec 22, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2015
Dec 22, 2015
Aug 5, 2015
Jun 26, 2015
Jun 19, 2015
Priority search results copy provided by EPO
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
May 29, 2015
Communication to designated inventor
Search/Exam
May 15, 2015
(Electronic) Receipt
Search/Exam
May 15, 2015
Request for entry into the European phase
Search/Exam
May 13, 2015
Mar 6, 2015
Information on entry into European phase
Search/Exam
Jul 31, 2014
Jul 31, 2014
Notification of the recording of a change
Search/Exam
May 20, 2014
May 1, 2014
Copy of the international search report
Search/Exam
May 1, 2014
Published international application - A1
Search/Exam
Jan 14, 2014
Jan 14, 2014
Jan 14, 2014
Oct 17, 2013
(Electronic) Receipt
PCTRO
Oct 17, 2013
Abstract
PCTRO
Oct 17, 2013
Claims
PCTRO
Oct 17, 2013
Description
PCTRO