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The patent EP3538345 was granted to Teufelberger Gesellschaft on Dec 27, 2023. The application was filed on Nov 9, 2017 under application number EP17840424A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SIGNODE PACKAGING IRELAND | Nov 17, 2021 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
| TITAN UMREIFUNGSTECHNIK | Nov 17, 2021 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1657178 |
| INTERNATIONAL-SEARCH-REPORT | US4062918 |
| INTERNATIONAL-SEARCH-REPORT | WO2015042631 |
| OPPOSITION | DE102014010691 |
| OPPOSITION | DE2611786 |
| OPPOSITION | EP0313766 |
| OPPOSITION | EP1657178 |
| OPPOSITION | JPS5755759U |
| OPPOSITION | US2007014971 |
| OPPOSITION | US4062918 |
| OPPOSITION | WO0179343 |
| OPPOSITION | WO2015042631 |
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
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(Electronic) Receipt
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Annexes in respect of a client data request
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English translation of the claims
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Filing of the translations of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Priority search results
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(Electronic) Receipt
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Amended description with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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(Electronic) Receipt
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Copy of the international search report
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Published international application - A1
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ISR: cited documents
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