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The patent EP2913304 was granted to BWT on Apr 2, 2025. The application was filed on Feb 9, 2015 under application number EP15154292A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| BRITA | Dec 11, 2025 | KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102008023488 |
| OPPOSITION | EP1892221 |
| OPPOSITION | EP2119486 |
| OPPOSITION | KR101354569B |
| OPPOSITION | US2006060512 |
| OPPOSITION | US2010025310 |
| OPPOSITION | US2010106265 |
| OPPOSITION | US2012000858 |
| OPPOSITION | US2012179519 |
| OPPOSITION | US2013083884 |
| OPPOSITION | US2013319915 |
| OPPOSITION | WO2010142473 |
| OPPOSITION | WO2013166069 |
| OTHER | DE102008023488 |
| OTHER | EP1892221 |
| OTHER | EP2119486 |
| OTHER | KR101354569B |
| OTHER | US2010025310 |
| OTHER | US2013083884 |
| OTHER | US2013319915 |
| SEARCH | US2006060512 |
| SEARCH | US2012000858 |
| SEARCH | US2012179519 |
| SEARCH | WO2013166069 |
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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Dec 16, 2025
Dec 11, 2025
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Dec 11, 2025
Apr 15, 2025
Mar 6, 2025
Decision to grant a European patent
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Feb 6, 2025
(Electronic) Receipt
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Feb 6, 2025
English translation of the claims
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Feb 6, 2025
Filing of the translations of the claims
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Feb 6, 2025
French translation of claims
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Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Intention to grant (signatures)
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Oct 11, 2024
Text intended for grant (clean copy)
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Oct 11, 2024
Sep 27, 2024
Sep 24, 2024
(Electronic) Receipt
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Sep 24, 2024
Amended claims with annotations
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Sep 24, 2024
Amended description with annotations
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Sep 24, 2024
Claims
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Sep 24, 2024
Description
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Sep 24, 2024
Letter accompanying subsequently filed items
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Sep 24, 2024
Sep 17, 2024
Annex to the communication
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Sep 17, 2024
Consultation by telephone/in person
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Sep 17, 2024
Jun 14, 2024
(Electronic) Receipt
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Jun 14, 2024
(Electronic) Receipt
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Jun 14, 2024
Claims
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Jun 14, 2024
Claims
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Jun 14, 2024
Claims
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Jun 14, 2024
Letter accompanying subsequently filed items
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Jun 14, 2024
Letter accompanying subsequently filed items
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Jun 14, 2024
Jun 14, 2024
Jun 14, 2024
Mar 4, 2024
Feb 26, 2024
Feb 15, 2024
Annex to the communication
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Feb 15, 2024
Summons to attend oral proceedings
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Jan 16, 2024
Dec 18, 2023
(Electronic) Receipt
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Dec 18, 2023
Letter accompanying subsequently filed items
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Jun 26, 2023
Advice of delivery
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Jun 23, 2023
Acknowledgement of a document
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Jun 23, 2023
Annex to the communication
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Jun 23, 2023
Summons to attend oral proceedings
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May 11, 2023
(Electronic) Receipt
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May 11, 2023
Letter accompanying subsequently filed items
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May 11, 2023
Mar 9, 2023
Mar 3, 2023
(Electronic) Receipt
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Mar 3, 2023
Letter accompanying subsequently filed items
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Mar 3, 2023
Nov 4, 2022
Annex to the communication
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Nov 4, 2022
Communication from the Examining Division
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Sep 23, 2022
(Electronic) Receipt
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Sep 23, 2022
Amended claims with annotations
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Sep 23, 2022
Claims
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Sep 23, 2022
Letter accompanying subsequently filed items
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Sep 23, 2022
Aug 5, 2022
Aug 1, 2022
(Electronic) Receipt
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Aug 1, 2022
Letter accompanying subsequently filed items
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Aug 1, 2022
Apr 6, 2022
Annex to the communication
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Apr 6, 2022
Communication from the Examining Division
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Mar 23, 2022
(Electronic) Receipt
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Mar 23, 2022
Amended claims with annotations
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Mar 23, 2022
Claims
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Mar 23, 2022
Letter accompanying subsequently filed items
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Mar 23, 2022
Feb 15, 2022
Annex to the communication
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Feb 15, 2022
Communication from the Examining Division
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Jul 12, 2021
(Electronic) Receipt
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Jul 12, 2021
Letter accompanying subsequently filed items
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Jul 12, 2021
Jul 6, 2021
(Electronic) Receipt
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Jul 6, 2021
Letter accompanying subsequently filed items
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Jul 6, 2021
Mar 15, 2021
Annex to the communication
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Mar 15, 2021
Communication from the Examining Division
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Jul 24, 2020
(Electronic) Receipt
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Jul 24, 2020
Amended claims with annotations
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Jul 24, 2020
Amended claims with annotations
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Jul 24, 2020
Claims
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Jul 24, 2020
Claims
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Jul 24, 2020
Letter accompanying subsequently filed items
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Jul 24, 2020
Apr 16, 2020
Annex to the communication
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Apr 16, 2020
Communication from the Examining Division
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Jan 13, 2020
Dec 23, 2019
Non-patent literature filed by a third party
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Dec 23, 2019
Observations by third parties
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Dec 23, 2019
Patent document filed by a Third party
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Dec 23, 2019
Patent document filed by a Third party
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Dec 23, 2019
Patent document filed by a Third party
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Dec 23, 2019
Patent document filed by a Third party
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Dec 23, 2019
Patent document filed by a Third party
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Dec 23, 2019
Patent document filed by a Third party
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Aug 27, 2019
(Electronic) Receipt
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Aug 27, 2019
Amended claims with annotations
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Aug 27, 2019
Amended description with annotations
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Aug 27, 2019
Claims
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Aug 27, 2019
Description
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Aug 27, 2019
Letter accompanying subsequently filed items
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Aug 27, 2019
Aug 26, 2019
Aug 19, 2019
General authorisation
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Aug 19, 2019
Jul 25, 2019
Annex to the communication
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Jul 25, 2019
Communication from the Examining Division
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Jul 4, 2019
General authorisation
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Jul 4, 2019
General authorisation
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Jul 4, 2019
General authorisation
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Jun 27, 2019
May 20, 2019
Submission concerning representation
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Apr 15, 2019
Amended claims with annotations
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Apr 15, 2019
Amended description with annotations
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Apr 15, 2019
Claims
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Apr 15, 2019
Description
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Apr 15, 2019
Apr 10, 2019
Amended claims with annotations
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Apr 10, 2019
Claims
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Apr 10, 2019
Description
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Apr 10, 2019
Dec 10, 2018
Annex to the communication
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Dec 10, 2018
Communication from the Examining Division
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Dec 4, 2018
Examination started
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Jul 6, 2018
Jun 25, 2018
(Electronic) Receipt
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Jun 25, 2018
Enquiry as to the processing of the file
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Jun 25, 2018
Letter accompanying subsequently filed items
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Dec 21, 2017
Dec 12, 2017
Submission concerning representation
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Dec 24, 2015
Dec 24, 2015
Amended claims with annotations
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Dec 24, 2015
Dec 24, 2015
Amended description with annotations
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Dec 24, 2015
Amendments received before examination
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Dec 23, 2015
Dec 23, 2015
Amended claims with annotations
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Dec 23, 2015
Dec 23, 2015
Amended description with annotations
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Dec 23, 2015
Amendments received before examination
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Dec 23, 2015
Payment of fees and costs
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Dec 23, 2015
Payment of fees and costs
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Sep 7, 2015
Aug 5, 2015
Notification of forthcoming publication
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Jun 9, 2015
Jun 9, 2015
European search opinion
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Jun 9, 2015
European search report
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May 29, 2015
Search started
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Apr 7, 2015
Communication to designated inventor
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Mar 16, 2015
Letter concerning the priority
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Mar 16, 2015
Priority document
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Feb 9, 2015
Abstract
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Feb 9, 2015
Feb 9, 2015
Claims
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Feb 9, 2015
Description
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Feb 9, 2015
Designation of inventor
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Feb 9, 2015
Drawings
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Feb 9, 2015
Prior Art documents
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Feb 9, 2015
Prior Art documents
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Feb 9, 2015
Prior Art documents
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Feb 9, 2015
Priority search results
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Feb 9, 2015
Request for grant of a European patent
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