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The patent EP3746183 was granted to Beiersdorf on Aug 23, 2023. The application was filed on Jan 22, 2019 under application number EP19701608A. 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 |
|---|---|---|---|
| DSM NUTRITIONAL PRODUCTS | May 23, 2024 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
| EMIL KIESSLING | May 23, 2024 | HERZOG PATENTANWALTS | ADMISSIBLE |
| DALLI WERKE | May 14, 2024 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2286908 |
| INTERNATIONAL-SEARCH-REPORT | EP2359801 |
| INTERNATIONAL-SEARCH-REPORT | EP3093004 |
| INTERNATIONAL-SEARCH-REPORT | US2013011348 |
| INTERNATIONAL-SEARCH-REPORT | WO0243672 |
| INTERNATIONAL-SEARCH-REPORT | WO03075879 |
| OPPOSITION | DE10059430 |
| OPPOSITION | EP1291010 |
| OPPOSITION | EP1449516 |
| OPPOSITION | EP3093004 |
| OPPOSITION | EP3093005 |
| OPPOSITION | EP3225230 |
| OPPOSITION | FR2899462 |
| OPPOSITION | FR2983709 |
| OPPOSITION | US2013011348 |
| OPPOSITION | WO0243672 |
| OPPOSITION | WO03075879 |
| OPPOSITION | WO2016046211 |
| OPPOSITION | WO2019149565 |
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 23, 2025
Dec 19, 2025
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(Electronic) Receipt
Appeal
Dec 18, 2025
Dec 18, 2025
Notice of appeal
Appeal
Dec 16, 2025
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
OPPO
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Description
OPPO
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Annexes in respect of a client data request
Search/Exam
Jan 18, 2024
Annexes in respect of a client data request
Search/Exam
Jan 18, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2024
Sep 5, 2023
Jul 27, 2023
Decision to grant a European patent
Search/Exam
Jul 14, 2023
(Electronic) Receipt
Search/Exam
Jul 14, 2023
English translation of the claims
Search/Exam
Jul 14, 2023
Filing of the translations of the claims
Search/Exam
Jul 14, 2023
French translation of claims
Search/Exam
Jul 14, 2023
Letter accompanying subsequently filed items
Search/Exam
May 11, 2023
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Intention to grant (signatures)
Search/Exam
May 11, 2023
Text intended for grant (clean copy)
Search/Exam
May 11, 2023
Dec 2, 2022
(Electronic) Receipt
Search/Exam
Dec 2, 2022
Description
Search/Exam
Dec 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2022
Aug 25, 2022
Annex to the communication
Search/Exam
Aug 25, 2022
Communication from the Examining Division
Search/Exam
Aug 17, 2022
Examination started
Search/Exam
May 5, 2022
(Electronic) Receipt
Search/Exam
May 5, 2022
Letter accompanying subsequently filed items
Search/Exam
May 5, 2022
Priority search results
Search/Exam
May 5, 2022
Apr 29, 2022
Jul 28, 2021
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Feb 10, 2021
(Electronic) Receipt
Search/Exam
Feb 10, 2021
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Amendments received before examination
Search/Exam
Feb 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2020
Communication to designated inventor
Search/Exam
Nov 20, 2020
(Electronic) Receipt
Search/Exam
Nov 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2020
Letter concerning the inventor
Search/Exam
Nov 12, 2020
Nov 11, 2020
Nov 5, 2020
(Electronic) Receipt
Search/Exam
Nov 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 5, 2020
Letter concerning the inventor
Search/Exam
Oct 20, 2020
Oct 14, 2020
Letter which had not been notified
Search/Exam
Sep 11, 2020
Sep 9, 2020
Communication to designated inventor
Search/Exam
Sep 9, 2020
Communication to designated inventor
Search/Exam
Aug 17, 2020
Aug 3, 2020
(Electronic) Receipt
Search/Exam
Aug 3, 2020
Request for entry into the European phase
Search/Exam
Jun 15, 2020
Information on entry into European phase
Search/Exam
Aug 26, 2019
Aug 8, 2019
Copy of the international search report
Search/Exam
Aug 8, 2019
Copy of the international search report
Search/Exam
Aug 8, 2019
Published international application - A1
Search/Exam
Apr 23, 2019
ISR: cited documents
PCTISA
Apr 23, 2019
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Feb 27, 2019
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(Electronic) Receipt
PCTRO
Jan 22, 2019
Abstract
PCTRO
Jan 22, 2019
Claims
PCTRO
Jan 22, 2019
Description
PCTRO
Jan 22, 2019
Jan 22, 2019