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The patent EP1931584 was granted to Beumer Group on Mar 24, 2021. The application was filed on Sep 13, 2006 under application number EP06775988A. 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 |
|---|---|---|---|
| BBHS | Apr 19, 2018 | INSPICOS PS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE3844598 |
| DESCRIPTION | NL1023904C |
| DESCRIPTION | US6580046 |
| EXAMINATION | EP0742164 |
| EXAMINATION | EP1574459 |
| EXAMINATION | FR2582629 |
| EXAMINATION | US5501571 |
| EXAMINATION | WO2004071868 |
| EXAMINATION | WO2004076319 |
| INTERNATIONAL-SEARCH-REPORT | DE19509951 |
| INTERNATIONAL-SEARCH-REPORT | DE3844598 |
| INTERNATIONAL-SEARCH-REPORT | EP1120369 |
| INTERNATIONAL-SEARCH-REPORT | EP1407992 |
| INTERNATIONAL-SEARCH-REPORT | NL1023904C |
| INTERNATIONAL-SEARCH-REPORT | US2004193311 |
| INTERNATIONAL-SEARCH-REPORT | US5473545 |
| OPPOSITION | EP1407992 |
| OPPOSITION | EP1574459 |
| OPPOSITION | GB2320236 |
| OPPOSITION | JPS59177222 |
| OPPOSITION | NL1023904C |
| OPPOSITION | US4676361 |
| OPPOSITION | US4776464 |
| OPPOSITION | US4832203 |
| OPPOSITION | US5220536 |
| OPPOSITION | US5222855 |
| OPPOSITION | US6478138 |
| OPPOSITION | US7007792 |
| OPPOSITION | WO0032502 |
| OPPOSITION | WO2004076319 |
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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Filing of the translations of the claims
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Jun 9, 2017
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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May 23, 2017
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Acknowledgement of a document
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Annex to the communication
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Summons to attend oral proceedings
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Jun 27, 2016
Preparation for oral proceedings
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Jan 26, 2016
Submission concerning representation
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Feb 7, 2014
(Electronic) Receipt
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Feb 7, 2014
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Letter accompanying subsequently filed items
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Copy of the international search report
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Mar 22, 2007
Published international application - A1
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Jan 5, 2007
Abstract
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Sep 25, 2006
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