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The patent EP3053833 was granted to Stebler Blech on Sep 22, 2021. The application was filed on Jul 27, 2015 under application number EP15405048A. 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 |
|---|---|---|---|
| EMBALLATOR ULRICEHAMNS BLECK | Apr 4, 2018 | ZACCO SWEDEN | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1236645 |
| DESCRIPTION | US3015291 |
| OPPOSITION | DE2710317 |
| OPPOSITION | EP1236645 |
| OPPOSITION | GB1523826 |
| OPPOSITION | GB819953 |
| OPPOSITION | US1524606 |
| OPPOSITION | US2006163255 |
| OPPOSITION | US2011299959 |
| OPPOSITION | US2326545 |
| OPPOSITION | US2542255 |
| OPPOSITION | US2558705 |
| OPPOSITION | US2681758 |
| OPPOSITION | US3530637 |
| OPPOSITION | US3910212 |
| OPPOSITION | US4205761 |
| OPPOSITION | WO9427880 |
| SEARCH | EP0618135 |
| SEARCH | EP1236645 |
| SEARCH | US2006163255 |
| SEARCH | US3015291 |
| SEARCH | US3530637 |
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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Annex
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(Electronic) Receipt
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English translation of the claims
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French translation of claims
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Claims
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Payment of fees and costs
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Annex to the communication
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Sep 30, 2016
Communication from the Examining Division
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Sep 26, 2016
Examination started
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Sep 21, 2016
Refund order of filing/examination fee
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Matter concerning the application
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Annexes in respect of a client data request
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General authorisation
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General authorisation
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Matter concerning the application
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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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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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Sep 23, 2015
Communication to designated inventor
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Communication to designated inventor
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Jul 31, 2015
Payment of fees and costs
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Jul 27, 2015
Abstract
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Authorisation
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Jul 27, 2015
Claims
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Description
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Jul 27, 2015
Priority document
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Jul 27, 2015
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Jul 27, 2015
Request for grant of a European patent
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