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The patent EP3603570 was granted to Koninklijke Philips on Apr 3, 2024. The application was filed on Dec 19, 2006 under application number EP19193402A. 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 |
|---|---|---|---|
| THE PROCTER & GAMBLE | Nov 24, 2021 | WITTE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH475738 |
| DESCRIPTION | US2002092104 |
| DESCRIPTION | US4326314 |
| EXAMINATION | DE10244575 |
| EXAMINATION | JPH09173149 |
| OPPOSITION | DE10244575 |
| OPPOSITION | KR20030024026 |
| OPPOSITION | KR200401027Y |
| OPPOSITION | KR200401781Y |
| OPPOSITION | US6609821 |
| OPPOSITION | WO8103604 |
| SEARCH | CH475738 |
| SEARCH | US2002092104 |
| SEARCH | US2002133308 |
| SEARCH | US4326314 |
| SEARCH | US5544382 |
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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Mar 7, 2024
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OPPO
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Document concerning representation
Search/Exam
Oct 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2021
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Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2021
Mar 8, 2021
Jan 28, 2021
Decision to grant a European patent
Search/Exam
Jan 11, 2021
(Electronic) Receipt
Search/Exam
Jan 11, 2021
French translation of claims
Search/Exam
Jan 11, 2021
German translation of the claims
Search/Exam
Jan 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2020
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Intention to grant (signatures)
Search/Exam
Sep 28, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 28, 2020
Aug 31, 2020
Examination started
Search/Exam
Jun 9, 2020
(Electronic) Receipt
Search/Exam
Jun 9, 2020
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Amended claims with annotations
Search/Exam
Jun 9, 2020
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Amended description with annotations
Search/Exam
Jun 9, 2020
Amendments received before examination
Search/Exam
Jun 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 14, 2020
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Jan 9, 2020
Notification of forthcoming publication
Search/Exam
Nov 15, 2019
Communication to designated inventor
Search/Exam
Nov 5, 2019
Refund of fees
Search/Exam
Oct 30, 2019
Oct 30, 2019
European search opinion
Search/Exam
Oct 30, 2019
European search report
Search/Exam
Oct 30, 2019
Information on Search Strategy
Search/Exam
Aug 23, 2019
Abstract
Search/Exam
Aug 23, 2019
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Claims
Search/Exam
Aug 23, 2019
Description
Search/Exam
Aug 23, 2019
Designation of inventor
Search/Exam
Aug 23, 2019
Drawings
Search/Exam
Aug 23, 2019
Matter concerning the application
Search/Exam
Aug 23, 2019
Request for grant of a European patent
Search/Exam
Jul 16, 2007