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The patent EP3353273 was granted to Henkel on Dec 6, 2023. The application was filed on Sep 21, 2016 under application number EP16770918A. 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 |
|---|---|---|---|
| RECKITT BENCKISER | Nov 19, 2021 | PAREDES ROJAS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE20022229U |
| INTERNATIONAL-SEARCH-REPORT | DE2259830 |
| INTERNATIONAL-SEARCH-REPORT | EP1679363 |
| INTERNATIONAL-SEARCH-REPORT | US2003148907 |
| INTERNATIONAL-SEARCH-REPORT | US2011139182 |
| INTERNATIONAL-SEARCH-REPORT | WO03035819 |
| OPPOSITION | DE202009009335U |
| OPPOSITION | EP0033111 |
| OPPOSITION | EP0256148 |
| OPPOSITION | EP2333042 |
| OPPOSITION | US2003060393 |
| OPPOSITION | US2015252301 |
| OPPOSITION | WO0162886 |
| OPPOSITION | WO2007068920 |
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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Decision to grant a European patent
Search/Exam
Jan 6, 2021
(Electronic) Receipt
Search/Exam
Jan 6, 2021
English translation of the claims
Search/Exam
Jan 6, 2021
Filing of the translations of the claims
Search/Exam
Jan 6, 2021
French translation of claims
Search/Exam
Oct 28, 2020
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Intention to grant (signatures)
Search/Exam
Oct 28, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 28, 2020
Aug 26, 2020
(Electronic) Receipt
Search/Exam
Aug 26, 2020
Description
Search/Exam
Aug 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2020
Jun 30, 2020
Annex to the communication
Search/Exam
Jun 30, 2020
Communication from the Examining Division
Search/Exam
Jun 22, 2020
Examination started
Search/Exam
Jan 10, 2019
(Electronic) Receipt
Search/Exam
Jan 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2019
Jan 2, 2019
Nov 5, 2018
(Electronic) Receipt
Search/Exam
Nov 5, 2018
Nov 5, 2018
Amended claims with annotations
Search/Exam
Nov 5, 2018
Amendments received before examination
Search/Exam
Nov 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2018
Communication to designated inventor
Search/Exam
Jul 5, 2018
(Electronic) Receipt
Search/Exam
Jul 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 5, 2018
Letter concerning the inventor
Search/Exam
Jul 4, 2018
Jun 27, 2018
Jun 22, 2018
Letter which had not been notified
Search/Exam
May 4, 2018
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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May 2, 2018
Communication to designated inventor
Search/Exam
Apr 9, 2018
Feb 20, 2018
(Electronic) Receipt
Search/Exam
Feb 20, 2018
Request for entry into the European phase
Search/Exam
Feb 2, 2018
Information on entry into European phase
Search/Exam
Apr 18, 2017
Mar 30, 2017
Copy of the international search report
Search/Exam
Mar 30, 2017
Copy of the international search report
Search/Exam
Mar 30, 2017
Published international application - A1
Search/Exam
Dec 6, 2016
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Sep 21, 2016
(Electronic) Receipt
PCTRO
Sep 21, 2016
Abstract
PCTRO
Sep 21, 2016
Claims
PCTRO
Sep 21, 2016
Description
PCTRO
Sep 21, 2016
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