The weekly litigation news digest is live. Subscribe now
The patent EP3119824 was granted to DOW on Apr 28, 2021. The application was filed on Mar 20, 2015 under application number EP15714739A. 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 |
|---|---|---|---|
| BASF | Jan 28, 2022 | BASF ASSOCIATION | - |
| COVESTRO DEUTSCHLAND | Jan 28, 2022 | LEVPAT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2277969 |
| INTERNATIONAL-SEARCH-REPORT | US2009099274 |
| INTERNATIONAL-SEARCH-REPORT | US2011039964 |
| INTERNATIONAL-SEARCH-REPORT | US2012248371 |
| OPPOSITION | EP2197935 |
| OPPOSITION | EP2277969 |
| OPPOSITION | US2009099274 |
| OPPOSITION | US2011039964 |
| OPPOSITION | US2012248371 |
| OPPOSITION | WO2011137033 |
| OPPOSITION | WO2012105657 |
| OPPOSITION | WO2013116416 |
| OPPOSITION | WO2014037476 |
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
Oct 12, 2023
Oct 12, 2023
Oct 12, 2023
Oct 11, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Means of redress
OPPO
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 29, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 12, 2023
Apr 25, 2023
Apr 25, 2023
Apr 24, 2023
Apr 24, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Apr 18, 2023
Jan 26, 2023
Jan 26, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Description
OPPO
Jan 20, 2023
Jan 20, 2023
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Nov 3, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 18, 2022
Jul 28, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Mar 24, 2022
Mar 24, 2022
Mar 24, 2022
Mar 22, 2022
Mar 22, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Feb 8, 2022
Feb 4, 2022
Feb 2, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
May 12, 2021
Apr 1, 2021
Decision to grant a European patent
Search/Exam
Mar 19, 2021
(Electronic) Receipt
Search/Exam
Mar 19, 2021
French translation of claims
Search/Exam
Mar 19, 2021
German translation of the claims
Search/Exam
Mar 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Intention to grant (signatures)
Search/Exam
Mar 5, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 5, 2021
Jan 19, 2021
(Electronic) Receipt
Search/Exam
Jan 19, 2021
Amended claims with annotations
Search/Exam
Jan 19, 2021
Claims
Search/Exam
Jan 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2021
Sep 22, 2020
Sep 22, 2020
Sep 22, 2020
Intention to grant (signatures)
Search/Exam
Sep 22, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 22, 2020
Mar 28, 2019
Submission concerning representation
Search/Exam
Mar 1, 2018
(Electronic) Receipt
Search/Exam
Mar 1, 2018
Amended claims with annotations
Search/Exam
Mar 1, 2018
Amended description with annotations
Search/Exam
Mar 1, 2018
Claims
Search/Exam
Mar 1, 2018
Description
Search/Exam
Mar 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2018
Nov 7, 2017
Annex to the communication
Search/Exam
Nov 7, 2017
Communication from the Examining Division
Search/Exam
Nov 1, 2017
Examination started
Search/Exam
May 8, 2017
(Electronic) Receipt
Search/Exam
May 8, 2017
May 8, 2017
Amendments received before examination
Search/Exam
May 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2017
Communication to designated inventor
Search/Exam
Jan 4, 2017
(Electronic) Receipt
Search/Exam
Jan 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2017
Letter concerning the inventor
Search/Exam
Jan 4, 2017
Jan 2, 2017
Dec 23, 2016
(Electronic) Receipt
Search/Exam
Dec 23, 2016
Authorisation
Search/Exam
Dec 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2016
Dec 23, 2016
Submission concerning representation
Search/Exam
Dec 21, 2016
Dec 13, 2016
Letter which had not been notified
Search/Exam
Dec 9, 2016
(Electronic) Receipt
Search/Exam
Dec 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2016
Nov 7, 2016
Nov 5, 2016
Nov 4, 2016
Invitation to file an authorisation
Search/Exam
Nov 3, 2016
Nov 3, 2016
Oct 28, 2016
Priority search results copy provided by EPO
Search/Exam
Oct 28, 2016
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 25, 2016
Communication to designated inventor
Search/Exam
Oct 11, 2016
Oct 10, 2016
Oct 7, 2016
(Electronic) Receipt
Search/Exam
Oct 7, 2016
Request for entry into the European phase
Search/Exam
Oct 6, 2016
Jul 29, 2016
Information on entry into European phase
Search/Exam
Oct 13, 2015
Sep 24, 2015
Copy of the international search report
Search/Exam
Sep 24, 2015
Published international application - A1
Search/Exam
May 28, 2015
May 28, 2015
May 28, 2015
Mar 30, 2015
Abstract
PCTISA
Mar 30, 2015
Annex
PCTISA
Mar 30, 2015
Claims
PCTISA
Mar 30, 2015
Description
PCTISA