The weekly litigation news digest is live. Subscribe now
The patent EP2903828 was granted to DOW on Nov 27, 2019. The application was filed on Mar 15, 2013 under application number EP13714788A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SOLVAY SPECIALTY POLYMERS ITALY | Aug 24, 2020 | BENVENUTI | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6627679 |
| INTERNATIONAL-SEARCH-REPORT | EP0530622 |
| INTERNATIONAL-SEARCH-REPORT | EP0604136 |
| INTERNATIONAL-SEARCH-REPORT | EP0712896 |
| INTERNATIONAL-SEARCH-REPORT | US2003099813 |
| OPPOSITION | EP0530622 |
| OPPOSITION | US2003099813 |
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 6, 2023
Mar 6, 2023
Mar 1, 2023
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Means of redress
OPPO
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Nov 18, 2022
Oct 5, 2022
Aug 25, 2022
Aug 12, 2022
Aug 8, 2022
Aug 2, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jul 28, 2022
Jun 17, 2022
Jun 17, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 5, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Jan 28, 2021
Oct 16, 2020
Oct 16, 2020
Oct 16, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Oct 12, 2020
Sep 18, 2020
Sep 18, 2020
Sep 9, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Aug 24, 2020
Dec 9, 2019
Oct 31, 2019
Decision to grant a European patent
Search/Exam
Oct 23, 2019
Oct 21, 2019
Submission concerning representation
Search/Exam
Oct 15, 2019
(Electronic) Receipt
Search/Exam
Oct 15, 2019
Annexes in respect of a client data request
Search/Exam
Oct 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2019
Sep 18, 2019
Sep 9, 2019
(Electronic) Receipt
Search/Exam
Sep 9, 2019
Filing of the translations of the claims
Search/Exam
Sep 9, 2019
French translation of claims
Search/Exam
Sep 9, 2019
German translation of the claims
Search/Exam
Sep 9, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2019
(Electronic) Receipt
Search/Exam
Aug 28, 2019
Annexes in respect of a client data request
Search/Exam
Aug 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2019
May 2, 2019
May 2, 2019
May 2, 2019
Intention to grant (signatures)
Search/Exam
May 2, 2019
Text intended for grant (clean copy)
Search/Exam
May 2, 2019
Apr 26, 2019
Advice of delivery
Search/Exam
Apr 23, 2019
Apr 18, 2019
Apr 4, 2019
(Electronic) Receipt
Search/Exam
Apr 4, 2019
Amended claims with annotations
Search/Exam
Apr 4, 2019
Amended claims with annotations
Search/Exam
Apr 4, 2019
Amended claims with annotations
Search/Exam
Apr 4, 2019
Amended claims with annotations
Search/Exam
Apr 4, 2019
Claims
Search/Exam
Apr 4, 2019
Claims
Search/Exam
Apr 4, 2019
Claims
Search/Exam
Apr 4, 2019
Claims
Search/Exam
Apr 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2019
Mar 11, 2019
Submission concerning representation
Search/Exam
Jul 3, 2018
Submission concerning representation
Search/Exam
Jun 5, 2018
Advice of delivery
Search/Exam
May 30, 2018
Acknowledgement of a document
Search/Exam
May 30, 2018
Annex to the communication
Search/Exam
May 30, 2018
Preparation for oral proceedings
Search/Exam
May 30, 2018
Summons to attend oral proceedings
Search/Exam
Oct 25, 2017
(Electronic) Receipt
Search/Exam
Oct 25, 2017
Amended claims with annotations
Search/Exam
Oct 25, 2017
Claims
Search/Exam
Oct 25, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2017
Jun 20, 2017
Annex to the communication
Search/Exam
Jun 20, 2017
Communication from the Examining Division
Search/Exam
Jun 12, 2017
Examination started
Search/Exam
Mar 6, 2017
Dec 1, 2015
(Electronic) Receipt
Search/Exam
Dec 1, 2015
Dec 1, 2015
Amended claims with annotations
Search/Exam
Dec 1, 2015
Amendments received before examination
Search/Exam
Dec 1, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 15, 2015
Jun 2, 2015
May 8, 2015
Communication to designated inventor
Search/Exam
May 8, 2015
Communication to designated inventor
Search/Exam
Apr 14, 2015
Mar 6, 2015
(Electronic) Receipt
Search/Exam
Mar 6, 2015
Request for entry into the European phase
Search/Exam
Feb 13, 2015
Information on entry into European phase
Search/Exam
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Jan 8, 2015
Oct 6, 2014
Written opinion
PCT2
Oct 6, 2014
Oct 6, 2014
Apr 30, 2014
Apr 14, 2014
Notification of election of EPO
Search/Exam
Apr 10, 2014
Copy of the international search report
Search/Exam
Apr 10, 2014
Published international application - A1
Search/Exam
Oct 30, 2013
Oct 30, 2013
Oct 7, 2013
Oct 2, 2013
Sep 18, 2013
PCT demand form
PCT2
Sep 18, 2013
Sep 18, 2013
Sep 18, 2013
Sep 18, 2013
Jun 12, 2013
Jun 12, 2013
Jun 12, 2013
Mar 29, 2013
Abstract
PCTISA
Mar 29, 2013
Claims
PCTISA
Mar 29, 2013
Description
PCTISA