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The patent EP2664504 was granted to Tammermatic on Oct 12, 2022. The application was filed on May 14, 2013 under application number EP13167571A. 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 |
|---|---|---|---|
| WASHTEC HOLDING | Jul 12, 2023 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2077211 |
| OPPOSITION | KR101156051B |
| OPPOSITION | US5423599 |
| SEARCH | DE9000427U |
| SEARCH | EP2077211 |
| SEARCH | JPS5353870U |
| SEARCH | KR20110126370 |
| SEARCH | US2011035889 |
| SEARCH | US5423599 |
| SEARCH | US7582164 |
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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OPPO
Mar 12, 2025
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OPPO
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OPPO
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OPPO
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Oct 25, 2022
Sep 15, 2022
Decision to grant a European patent
Search/Exam
Sep 6, 2022
(Electronic) Receipt
Search/Exam
Sep 6, 2022
Filing of the translations of the claims
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Sep 6, 2022
French translation of claims
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Sep 6, 2022
German translation of the claims
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Aug 19, 2022
Change to the inventor details
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Aug 18, 2022
Aug 15, 2022
(Electronic) Receipt
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Aug 15, 2022
Letter accompanying subsequently filed items
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Aug 15, 2022
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Intention to grant (signatures)
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May 9, 2022
Text intended for grant (clean copy)
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May 9, 2022
Mar 24, 2022
(Electronic) Receipt
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Mar 24, 2022
Amended description with annotations
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Mar 24, 2022
Description
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Mar 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2022
Dec 2, 2021
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Intention to grant (signatures)
Search/Exam
Dec 2, 2021
Text intended for grant (clean copy)
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Dec 2, 2021
Nov 30, 2021
Annex to a communication
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Nov 30, 2021
Annex to a communication
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Oct 14, 2021
Annex to the communication
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Oct 14, 2021
Consultation by telephone/in person
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Oct 14, 2021
Oct 5, 2021
(Electronic) Receipt
Search/Exam
Oct 5, 2021
Amended claims with annotations
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Oct 5, 2021
Amended claims with annotations
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Oct 5, 2021
Amended claims with annotations
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Oct 5, 2021
Amended description with annotations
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Oct 5, 2021
Claims
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Oct 5, 2021
Claims
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Oct 5, 2021
Claims
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Oct 5, 2021
Claims
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Oct 5, 2021
Description
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Oct 5, 2021
Letter accompanying subsequently filed items
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Oct 5, 2021
Oct 12, 2020
Annex to the communication
Search/Exam
Oct 12, 2020
Summons to attend oral proceedings
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Jun 18, 2020
(Electronic) Receipt
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Jun 18, 2020
Letter accompanying subsequently filed items
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Jun 18, 2020
Apr 16, 2020
Apr 9, 2020
(Electronic) Receipt
Search/Exam
Apr 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2020
Dec 11, 2019
Annex to the communication
Search/Exam
Dec 11, 2019
Communication from the Examining Division
Search/Exam
Nov 12, 2019
(Electronic) Receipt
Search/Exam
Nov 12, 2019
Amended claims with annotations
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Nov 12, 2019
Claims
Search/Exam
Nov 12, 2019
Letter accompanying subsequently filed items
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Nov 12, 2019
Sep 10, 2019
Sep 5, 2019
(Electronic) Receipt
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Sep 5, 2019
Letter accompanying subsequently filed items
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Sep 5, 2019
May 10, 2019
Annex to the communication
Search/Exam
May 10, 2019
Communication from the Examining Division
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May 7, 2019
Examination started
Search/Exam
Sep 19, 2018
Refund of fees
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Aug 31, 2018
(Electronic) Receipt
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Aug 31, 2018
Letter accompanying subsequently filed items
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Aug 31, 2018
Matter concerning the application
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Aug 30, 2018
Notice on debiting of fees
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Aug 7, 2018
(Electronic) Receipt
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Aug 7, 2018
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Amended claims with annotations
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Aug 7, 2018
Aug 7, 2018
Amended description with annotations
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Aug 7, 2018
Amendments received before examination
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Aug 7, 2018
Letter accompanying subsequently filed items
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Feb 12, 2018
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European search opinion
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Jan 10, 2018
European search report
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Jan 10, 2018
Information on Search Strategy
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Sep 6, 2017
Aug 30, 2017
Jul 5, 2017
Jan 10, 2017
Submission concerning representation
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Oct 23, 2013
Notification of forthcoming publication
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Jul 5, 2013
Communication to designated inventor
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Jul 5, 2013
Communication to designated inventor
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Jun 28, 2013
(Electronic) Receipt
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Jun 28, 2013
Abstract
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Jun 28, 2013
Claims
Search/Exam
Jun 28, 2013
Description
Search/Exam
Jun 28, 2013
Letter accompanying subsequently filed items
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May 21, 2013
Letter concerning the priority
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May 21, 2013
Priority document
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May 21, 2013
Priority document
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May 14, 2013
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Designation of inventor
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May 14, 2013
Designation of inventor
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May 14, 2013
Drawings
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May 14, 2013
Priority search results
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May 14, 2013
Priority search results
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May 14, 2013
Request for grant of a European patent
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May 14, 2013