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The patent EP3477774 was granted to Wago Verwaltungsgesellschaft on Oct 18, 2023. The application was originally filed on Oct 11, 2018 under application number EP18199884A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE19735835 |
| OPPOSITION | DE7720504U |
| OPPOSITION | EP2479851 |
| OPPOSITION | EP2626954 |
| OPPOSITION | US2007059973 |
| SEARCH | DE2717402 |
| SEARCH | EP2626954 |
| SEARCH | US2008108241 |
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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Sep 21, 2023
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OPPO
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Dec 21, 2020
Nov 12, 2020
Decision to grant a European patent
Search/Exam
Sep 29, 2020
(Electronic) Receipt
Search/Exam
Sep 29, 2020
English translation of the claims
Search/Exam
Sep 29, 2020
Filing of the translations of the claims
Search/Exam
Sep 29, 2020
French translation of claims
Search/Exam
Sep 29, 2020
Letter accompanying subsequently filed items
Search/Exam
May 27, 2020
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Intention to grant (signatures)
Search/Exam
May 27, 2020
Text intended for grant (clean copy)
Search/Exam
May 27, 2020
Feb 18, 2020
(Electronic) Receipt
Search/Exam
Feb 18, 2020
Amended claims with annotations
Search/Exam
Feb 18, 2020
Claims
Search/Exam
Feb 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
Dec 18, 2019
Annex to the communication
Search/Exam
Dec 18, 2019
Communication from the Examining Division
Search/Exam
Dec 10, 2019
Examination started
Search/Exam
Aug 20, 2019
(Electronic) Receipt
Search/Exam
Aug 20, 2019
Aug 20, 2019
Amended claims with annotations
Search/Exam
Aug 20, 2019
Aug 20, 2019
Amended description with annotations
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Aug 20, 2019
Amendments received before examination
Search/Exam
Aug 20, 2019
Letter accompanying subsequently filed items
Search/Exam
May 6, 2019
Apr 3, 2019
Notification of forthcoming publication
Search/Exam
Feb 12, 2019
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European search opinion
Search/Exam
Feb 12, 2019
European search report
Search/Exam
Feb 12, 2019
Information on Search Strategy
Search/Exam
Feb 1, 2019
Search started
Search/Exam
Dec 4, 2018
Communication to designated inventor
Search/Exam
Oct 15, 2018
Letter concerning the priority
Search/Exam
Oct 15, 2018
Priority document
Search/Exam
Oct 11, 2018
Abstract
Search/Exam
Oct 11, 2018
Oct 11, 2018
Claims
Search/Exam
Oct 11, 2018
Description
Search/Exam
Oct 11, 2018
Designation of inventor
Search/Exam
Oct 11, 2018
Drawings
Search/Exam
Oct 11, 2018
Priority search results
Search/Exam
Oct 11, 2018
Request for grant of a European patent
Search/Exam