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The patent EP3503867 was granted to Henkel on Dec 30, 2020. The application was filed on Jul 12, 2017 under application number EP17742988A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| BONIBERGER | Sep 29, 2021 | PATENT UND RECHTSANWALTE BEHRMANN WAGNER PARTG MBB | - |
| CRODA | Sep 24, 2021 | CRAVEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO03051319 |
| INTERNATIONAL-SEARCH-REPORT | DE10161885 |
| INTERNATIONAL-SEARCH-REPORT | DE102011078111 |
| INTERNATIONAL-SEARCH-REPORT | EP2296619 |
| INTERNATIONAL-SEARCH-REPORT | US2002037267 |
| INTERNATIONAL-SEARCH-REPORT | US2003092586 |
| INTERNATIONAL-SEARCH-REPORT | US5192462 |
| INTERNATIONAL-SEARCH-REPORT | WO2016034519 |
| OPPOSITION | DE102011078111 |
| OPPOSITION | EP2296619 |
| OPPOSITION | US2011124542 |
| OPPOSITION | US6024951 |
| OPPOSITION | WO2009153334 |
| OPPOSITION | WO9623483 |
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 3, 2020
Decision to grant a European patent
Search/Exam
Nov 23, 2020
(Electronic) Receipt
Search/Exam
Nov 23, 2020
English translation of the claims
Search/Exam
Nov 23, 2020
French translation of claims
Search/Exam
Nov 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2020
Jul 30, 2020
Jul 30, 2020
Intention to grant (signatures)
Search/Exam
Jul 30, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 30, 2020
Jun 22, 2020
Examination started
Search/Exam
Nov 29, 2019
Nov 27, 2019
Nov 22, 2019
Sep 18, 2019
Sep 18, 2019
Amended claims with annotations
Search/Exam
Sep 18, 2019
Amendments received before examination
Search/Exam
Sep 13, 2019
Sep 13, 2019
Amended claims with annotations
Search/Exam
Sep 13, 2019
Amendments received before examination
Search/Exam
Jun 5, 2019
May 17, 2019
Communication to designated inventor
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May 17, 2019
Communication to designated inventor
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May 17, 2019
Communication to designated inventor
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May 8, 2019
Letter concerning the inventor
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May 8, 2019
Letter concerning the inventor
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May 8, 2019
Letter concerning the inventor
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May 6, 2019
Letter concerning the inventor
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May 6, 2019
Letter concerning the inventor
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May 6, 2019
Letter concerning the inventor
Search/Exam
Apr 26, 2019
Apr 26, 2019
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Apr 17, 2019
Letter which had not been notified
Search/Exam
Apr 16, 2019
Letter which had not been notified
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Apr 15, 2019
Letter which had not been notified
Search/Exam
Apr 2, 2019
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 29, 2019
Communication to designated inventor
Search/Exam
Mar 13, 2019
Feb 7, 2019
Information regarding early processing
Search/Exam
Jan 15, 2019
(Electronic) Receipt
Search/Exam
Jan 15, 2019
Request for entry into the European phase
Search/Exam
Jan 4, 2019
Information on entry into European phase
Search/Exam
Mar 21, 2018
Mar 1, 2018
Copy of the international search report
Search/Exam
Mar 1, 2018
Copy of the international search report
Search/Exam
Mar 1, 2018
Published international application - A1
Search/Exam
Oct 16, 2017
ISR: cited documents
PCTISA
Oct 16, 2017
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Jul 12, 2017
(Electronic) Receipt
PCTRO
Jul 12, 2017
Abstract
PCTRO
Jul 12, 2017
Claims
PCTRO
Jul 12, 2017
Description
PCTRO
Jul 12, 2017
Jul 12, 2017