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The patent EP3831216 was granted to World Wide Wiberg on Apr 10, 2024. The application was filed on Dec 2, 2020 under application number EP20020583A. 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 |
|---|---|---|---|
| MURGITROYD | Jan 10, 2025 | MURGITROYD | ADMISSIBLE |
| WINTER | Jan 10, 2025 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN110800913B |
| OPPOSITION | WO2005013703 |
| OPPOSITION | WO2008154536 |
| OPPOSITION | WO2011074359 |
| OPPOSITION | WO2019211428 |
| SEARCH | DE10059727 |
| SEARCH | DE102004007814 |
| SEARCH | DE102006050386 |
| SEARCH | DE19913437 |
| SEARCH | KR101229379B |
| SEARCH | WO2005013703 |
| SEARCH | WO2019211428 |
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
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Apr 23, 2024
Mar 14, 2024
Decision to grant a European patent
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Mar 11, 2024
Mar 4, 2024
(Electronic) Receipt
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Mar 4, 2024
English translation of the claims
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Mar 4, 2024
Filing of the translations of the claims
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Mar 4, 2024
French translation of claims
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Mar 4, 2024
Letter accompanying subsequently filed items
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Jan 8, 2024
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Intention to grant (signatures)
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Jan 8, 2024
Text intended for grant (clean copy)
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Jan 8, 2024
Dec 22, 2023
Dec 14, 2023
(Electronic) Receipt
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Dec 14, 2023
Letter accompanying subsequently filed items
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Dec 14, 2023
Dec 8, 2023
(Electronic) Receipt
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Dec 8, 2023
Amended claims with annotations
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Dec 8, 2023
Amended description with annotations
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Dec 8, 2023
Claims
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Dec 8, 2023
Description
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Dec 8, 2023
Letter accompanying subsequently filed items
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Dec 8, 2023
Aug 29, 2023
Advice of delivery
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Aug 23, 2023
Acknowledgement of a document
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Aug 23, 2023
Annex to the communication
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Aug 23, 2023
Summons to attend oral proceedings
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May 2, 2023
(Electronic) Receipt
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May 2, 2023
Amended claims with annotations
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May 2, 2023
Amended claims with annotations
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May 2, 2023
Claims
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May 2, 2023
Claims
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May 2, 2023
Letter accompanying subsequently filed items
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May 2, 2023
May 2, 2023
Dec 23, 2022
Annex to the communication
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Dec 23, 2022
Communication from the Examining Division
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Sep 22, 2022
(Electronic) Receipt
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Sep 22, 2022
Amended claims with annotations
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Sep 22, 2022
Claims
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Sep 22, 2022
Letter accompanying subsequently filed items
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Sep 22, 2022
May 13, 2022
Annex to the communication
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May 13, 2022
Communication from the Examining Division
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Mar 24, 2022
Examination started
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Jan 31, 2022
(Electronic) Receipt
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Jan 31, 2022
Letter accompanying subsequently filed items
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Jan 31, 2022
Priority search results
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Jan 31, 2022
Dec 10, 2021
Dec 8, 2021
(Electronic) Receipt
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Dec 8, 2021
Letter accompanying subsequently filed items
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Nov 30, 2021
(Electronic) Receipt
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Nov 30, 2021
Nov 30, 2021
Amended claims with annotations
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Nov 30, 2021
Amendments received before examination
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Nov 30, 2021
Annex
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Nov 30, 2021
Letter accompanying subsequently filed items
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Jun 14, 2021
May 12, 2021
Notification of forthcoming publication
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Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
European search opinion
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Apr 23, 2021
European search report
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Apr 23, 2021
Information on Search Strategy
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Apr 6, 2021
Search started
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Mar 23, 2021
Communication to designated inventor
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Mar 23, 2021
Communication to designated inventor
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Mar 23, 2021
Communication to designated inventor
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Mar 17, 2021
(Electronic) Receipt
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Mar 17, 2021
Designation of inventor
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Mar 17, 2021
Letter accompanying subsequently filed items
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Mar 17, 2021
Letter concerning the inventor
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Mar 16, 2021
(Electronic) Receipt
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Mar 16, 2021
Letter accompanying subsequently filed items
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Mar 16, 2021
Letter concerning biological material
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Mar 16, 2021
Letter concerning biological material
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Jan 13, 2021
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Deficiency in designation of inventor
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Jan 13, 2021
Refund of fees
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Dec 4, 2020
Letter concerning the priority
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Dec 4, 2020
Priority document
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Dec 2, 2020
Abstract
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Dec 2, 2020
Dec 2, 2020
Claims
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Dec 2, 2020
Description
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Dec 2, 2020
Request for grant of a European patent
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