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The patent EP3483276 was granted to Wilson Wolf Manufacturing on Mar 31, 2021. The application was filed on Sep 23, 2014 under application number EP18215469A. 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 |
|---|---|---|---|
| EUROPEAN OPPOSITIONS | Dec 31, 2021 | MAIWALD | ADMISSIBLE |
| GRUND IPG PATENTANWALTE UND SOLICITOR PARTG MBB | Dec 28, 2021 | GRUND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20070952848 |
| DESCRIPTION | US20070961814 |
| OPPOSITION | EP0725134 |
| OPPOSITION | EP2471901 |
| OPPOSITION | US2005106717 |
| OPPOSITION | US2013102075 |
| OPPOSITION | US7799560 |
| OPPOSITION | WO0009168 |
| OPPOSITION | WO0056870 |
| OPPOSITION | WO2015042595 |
| OPPOSITION | WO9907870 |
| SEARCH | WO0009168 |
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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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
Jun 9, 2023
Authorisation
Appeal
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(Electronic) Receipt
Appeal
May 16, 2023
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Notice of appeal
Appeal
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Means of redress
OPPO
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Apr 13, 2021
Mar 4, 2021
Decision to grant a European patent
Search/Exam
Feb 22, 2021
(Electronic) Receipt
Search/Exam
Feb 22, 2021
Filing of the translations of the claims
Search/Exam
Feb 22, 2021
French translation of claims
Search/Exam
Feb 22, 2021
German translation of the claims
Search/Exam
Feb 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2020
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Intention to grant (signatures)
Search/Exam
Oct 22, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 22, 2020
Jun 26, 2020
(Electronic) Receipt
Search/Exam
Jun 26, 2020
Amended description with annotations
Search/Exam
Jun 26, 2020
Description
Search/Exam
Jun 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2020
Apr 28, 2020
Annex to the communication
Search/Exam
Apr 28, 2020
Communication from the Examining Division
Search/Exam
Apr 22, 2020
Examination started
Search/Exam
Nov 15, 2019
(Electronic) Receipt
Search/Exam
Nov 15, 2019
Nov 15, 2019
Amended claims with annotations
Search/Exam
Nov 15, 2019
Amendments received before examination
Search/Exam
Nov 15, 2019
Letter accompanying subsequently filed items
Search/Exam
May 20, 2019
Apr 17, 2019
Notification of forthcoming publication
Search/Exam
Apr 8, 2019
Refund of fees
Search/Exam
Apr 3, 2019
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European search opinion
Search/Exam
Apr 3, 2019
European search report
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Apr 3, 2019
Information on Search Strategy
Search/Exam
Mar 20, 2019
Search started
Search/Exam
Feb 13, 2019
Communication to designated inventor
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Jan 10, 2019
Dec 21, 2018
Abstract
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Dec 21, 2018
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Claims
Search/Exam
Dec 21, 2018
Description
Search/Exam
Dec 21, 2018
Designation of inventor
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Dec 21, 2018
Drawings
Search/Exam
Dec 21, 2018
Request for grant of a European patent
Search/Exam
Apr 14, 2015