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The patent EP2870183 was granted to Basf on Nov 27, 2024. The application was filed on Jun 21, 2013 under application number EP13730884A. 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 |
|---|---|---|---|
| EVONIK SUPERABSORBER | Aug 23, 2022 | EVONIK PATENT ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2012EP52022 |
| DESCRIPTION | DE10204937 |
| DESCRIPTION | DE10204938 |
| DESCRIPTION | DE10331450 |
| DESCRIPTION | DE10331456 |
| DESCRIPTION | DE10334584 |
| DESCRIPTION | DE10355401 |
| DESCRIPTION | DE19543368 |
| DESCRIPTION | DE19646484 |
| DESCRIPTION | DE19807502 |
| DESCRIPTION | DE19807992 |
| DESCRIPTION | DE19854573 |
| DESCRIPTION | DE19854574 |
| DESCRIPTION | DE3314019 |
| DESCRIPTION | DE3523617 |
| DESCRIPTION | DE3713601 |
| DESCRIPTION | DE3825366 |
| DESCRIPTION | DE4020780 |
| DESCRIPTION | EP0083022 |
| DESCRIPTION | EP0450922 |
| DESCRIPTION | EP0530438 |
| DESCRIPTION | EP0543303 |
| DESCRIPTION | EP0547847 |
| DESCRIPTION | EP0559476 |
| DESCRIPTION | EP0632068 |
| DESCRIPTION | EP0640330 |
| DESCRIPTION | EP0937736 |
| DESCRIPTION | EP1199327 |
| DESCRIPTION | US2005176910 |
| DESCRIPTION | US2005256757 |
| DESCRIPTION | US6239230 |
| DESCRIPTION | US6241928 |
| DESCRIPTION | WO0138402 |
| DESCRIPTION | WO02055469 |
| DESCRIPTION | WO0232962 |
| DESCRIPTION | WO03031482 |
| DESCRIPTION | WO03078378 |
| DESCRIPTION | WO03104299 |
| DESCRIPTION | WO03104300 |
| DESCRIPTION | WO03104301 |
| DESCRIPTION | WO2004035514 |
| DESCRIPTION | WO2008040715 |
| DESCRIPTION | WO2008052971 |
| DESCRIPTION | WO2012045705 |
| DESCRIPTION | WO9015830 |
| DESCRIPTION | WO9321237 |
| EXAMINATION | US2011059329 |
| EXAMINATION | WO2010057912 |
| EXAMINATION | WO2012045705 |
| INTERNATIONAL-SEARCH-REPORT | WO2010149735 |
| INTERNATIONAL-SEARCH-REPORT | WO2012045705 |
| OPPOSITION | WO2012143215 |
| OTHER | US2002128618 |
| OTHER | US2011059329 |
| OTHER | US2011224361 |
| OTHER | US2012085971 |
| OTHER | US6849665 |
| OTHER | US7157141 |
| OTHER | WO2008092842 |
| OTHER | WO2012102407 |
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
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Oct 31, 2024
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Means of redress
OPPO
May 15, 2024
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Description
OPPO
Jan 18, 2023
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Sep 1, 2022
Aug 30, 2022
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Dec 14, 2021
Nov 5, 2021
Decision to grant a European patent
Search/Exam
Oct 26, 2021
(Electronic) Receipt
Search/Exam
Oct 26, 2021
English translation of the claims
Search/Exam
Oct 26, 2021
Filing of the translations of the claims
Search/Exam
Oct 26, 2021
French translation of claims
Search/Exam
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Intention to grant (signatures)
Search/Exam
Jul 27, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 27, 2021
Dec 15, 2020
(Electronic) Receipt
Search/Exam
Dec 15, 2020
Amended description with annotations
Search/Exam
Dec 15, 2020
Description
Search/Exam
Dec 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Sep 8, 2020
Refund of fees
Search/Exam
Aug 19, 2020
Annex to the communication
Search/Exam
Aug 19, 2020
Communication from the Examining Division
Search/Exam
Jul 16, 2019
Mar 20, 2017
(Electronic) Receipt
Search/Exam
Mar 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2017
Feb 15, 2017
Feb 15, 2017
Submission concerning representation
Search/Exam
Nov 22, 2016
Annex to the communication
Search/Exam
Nov 22, 2016
Nov 22, 2016
Information on Search Strategy
Search/Exam
Nov 22, 2016
Search results under rule 164(2)(b) EPC
Search/Exam
Nov 14, 2016
Search started
Search/Exam
Sep 5, 2016
(Electronic) Receipt
Search/Exam
Sep 5, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2016
Matter concerning the application
Search/Exam
Jul 18, 2016
Annex to the communication
Search/Exam
Jul 18, 2016
Jul 13, 2016
Examination started
Search/Exam
Mar 16, 2016
Mar 10, 2016
Mar 3, 2016
Nov 10, 2015
(Electronic) Receipt
Search/Exam
Nov 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2015
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 20, 2015
Apr 15, 2015
Feb 11, 2015
Communication to designated inventor
Search/Exam
Feb 11, 2015
Communication to designated inventor
Search/Exam
Feb 11, 2015
Communication to designated inventor
Search/Exam
Jan 20, 2015
Jan 6, 2015
Non-patent literature filed by a third party
Search/Exam
Jan 6, 2015
Observations by third parties
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Jan 6, 2015
Patent document filed by a Third party
Search/Exam
Dec 15, 2014
(Electronic) Receipt
Search/Exam
Dec 15, 2014
Request for entry into the European phase
Search/Exam
Nov 14, 2014
Information on entry into European phase
Search/Exam
Mar 20, 2014
Mar 20, 2014
Notification of the recording of a change
Search/Exam
Jan 31, 2014
Matter concerning the application
Search/Exam
Jan 28, 2014
Jan 28, 2014
Jan 9, 2014
Copy of the international search report
Search/Exam
Jan 9, 2014
Copy of the international search report
Search/Exam
Jan 9, 2014
Published international application - A1
Search/Exam
Nov 15, 2013
Nov 15, 2013
Nov 15, 2013
Jun 21, 2013
(Electronic) Receipt
PCTRO
Jun 21, 2013
Abstract
PCTRO
Jun 21, 2013
Claims
PCTRO
Jun 21, 2013
Description
PCTRO
Jun 21, 2013