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The patent EP3539818 was granted to Aguti Produktentwicklung & Design on Nov 30, 2022. The application was filed on Mar 13, 2019 under application number EP19162611A. 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 |
|---|---|---|---|
| ERWIN HYMER GROUP | Aug 30, 2023 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT190544B |
| OPPOSITION | DE102006007383 |
| OPPOSITION | DE102014003966 |
| OPPOSITION | DE102016117898 |
| OPPOSITION | DE1853485U |
| OPPOSITION | DE4332557 |
| OPPOSITION | DE4333420 |
| OPPOSITION | DE9320333U |
| OPPOSITION | EP0353684 |
| OPPOSITION | JP2010083375 |
| OPPOSITION | US2003025380 |
| OPPOSITION | US2016090015 |
| OPPOSITION | US2891804 |
| OPPOSITION | US4350369 |
| SEARCH | JP2010083375 |
| SEARCH | US2016090015 |
| SEARCH | US2891804 |
| SEARCH | US4350369 |
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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Nov 25, 2025
Refund of fees
Search/Exam
Nov 21, 2025
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(Electronic) Receipt
Appeal
Nov 18, 2025
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
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Oct 17, 2022
(Electronic) Receipt
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Oct 17, 2022
English translation of the claims
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Oct 17, 2022
Filing of the translations of the claims
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Oct 17, 2022
French translation of claims
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Intention to grant (signatures)
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Jun 22, 2022
Text intended for grant (clean copy)
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Jun 22, 2022
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(Electronic) Receipt
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May 10, 2022
Amended claims with annotations
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Amended description with annotations
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May 10, 2022
Claims
Search/Exam
May 10, 2022
Description
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May 10, 2022
Letter accompanying subsequently filed items
Search/Exam
May 10, 2022
Jul 8, 2021
(Electronic) Receipt
Search/Exam
Jul 8, 2021
Amended claims with annotations
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Amended description with annotations
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Claims
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Description
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Mar 16, 2021
Letter accompanying subsequently filed items
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Annex to the communication
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Feb 24, 2021
Communication from the Examining Division
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Feb 12, 2021
Examination started
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Mar 17, 2020
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Mar 17, 2020
Amendments received before examination
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Mar 17, 2020
Letter accompanying subsequently filed items
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Sep 23, 2019
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Notification of forthcoming publication
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Aug 2, 2019
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European search opinion
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Aug 2, 2019
European search report
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Aug 2, 2019
Information on Search Strategy
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Jul 27, 2019
Modified abstract
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Jul 18, 2019
Search started
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May 6, 2019
Communication to designated inventor
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May 3, 2019
Letter concerning the priority
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May 3, 2019
Priority document
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Mar 13, 2019
Abstract
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Claims
Search/Exam
Mar 13, 2019
Description
Search/Exam
Mar 13, 2019
Designation of inventor
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Drawings
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Priority search results
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Mar 13, 2019
Request for grant of a European patent
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