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The patent EP3355562 was granted to Urmet on Jan 17, 2024. The application was filed on Jan 24, 2018 under application number EP18153293A. 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 |
|---|---|---|---|
| GIRA GIERSIEPEN | May 6, 2020 | DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010014471 |
| OTHER | DE102006010002 |
| OTHER | DE102008017638 |
| SEARCH | EP2506548 |
| SEARCH | NL2013946B |
| SEARCH | US2007052531 |
| SEARCH | US2011299671 |
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
Search/Exam
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(Electronic) Receipt
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Annex
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Annex
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Citation filed by a third party
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Non-scannable object
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Refund of fees
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European search opinion
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European search report
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Information on Search Strategy
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Search started
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Letter concerning the priority
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Priority document
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Communication to designated inventor
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(Electronic) Receipt
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Abstract
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Claims
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Description
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Letter accompanying subsequently filed items
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Designation of inventor
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Drawings
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Request for grant of a European patent
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Submission concerning representation
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