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The patent EP4188491 was granted to Norton Waterford on May 8, 2024. The application was filed on Jun 22, 2022 under application number EP22736235A. 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 |
|---|---|---|---|
| KILBURN & STRODE | Feb 8, 2025 | KILBURN & STRODE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB2242134 |
| DESCRIPTION | WO2007012871 |
| INTERNATIONAL-SEARCH-REPORT | US2020324064 |
| INTERNATIONAL-SEARCH-REPORT | WO2010135253 |
| INTERNATIONAL-SEARCH-REPORT | WO2011129785 |
| INTERNATIONAL-SEARCH-REPORT | WO2018094392 |
| INTERNATIONAL-SEARCH-REPORT | WO2020025977 |
| OPPOSITION | US2002066451 |
| OPPOSITION | US2005154491 |
| OPPOSITION | US2009314291 |
| OPPOSITION | US2020324064 |
| OPPOSITION | WO2005014089 |
| OPPOSITION | WO2006018261 |
| OPPOSITION | WO2007012871 |
| OPPOSITION | WO2010135253 |
| OPPOSITION | WO2011067212 |
| OPPOSITION | WO2011129785 |
| OPPOSITION | WO2018094392 |
| OPPOSITION | WO2020025977 |
| OPPOSITION | WO2021195353 |
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.
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Decision to grant a European patent
Search/Exam
Mar 27, 2024
(Electronic) Receipt
Search/Exam
Mar 27, 2024
Filing of the translations of the claims
Search/Exam
Mar 27, 2024
French translation of claims
Search/Exam
Mar 27, 2024
German translation of the claims
Search/Exam
Mar 27, 2024
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2024
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Intention to grant (signatures)
Search/Exam
Dec 12, 2023
Text intended for grant (clean copy)
Search/Exam
Dec 12, 2023
Nov 28, 2023
Examination started
Search/Exam
Sep 22, 2023
(Electronic) Receipt
Search/Exam
Sep 22, 2023
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Amended claims with annotations
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Sep 22, 2023
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Amended description with annotations
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Sep 22, 2023
Amendments received before examination
Search/Exam
Sep 22, 2023
Letter accompanying subsequently filed items
Search/Exam
May 10, 2023
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(Electronic) Receipt
Search/Exam
Mar 3, 2023
Matter concerning the application
Search/Exam
Mar 3, 2023
Request for entry into the European phase
Search/Exam
Feb 16, 2023
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Copy of the international search report
Search/Exam
Feb 16, 2023
Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
Jun 22, 2022
Abstract
PCTRO
Jun 22, 2022
Claims
PCTRO
Jun 22, 2022
Description
PCTRO
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Drawings
PCTRO
Jun 22, 2022