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The patent EP3172955 was granted to Vderstad Holding on Jun 20, 2018. The application was filed on Oct 20, 2009 under application number EP16201379A. 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 |
|---|---|---|---|
| HORSCH MASCHINEN | Mar 20, 2019 | V BEZOLD & PARTNER PATENTANWALTE PARTG MBB | WITHDRAWN |
| LEMKEN | Mar 20, 2019 | BUSSE & BUSSE | WITHDRAWN |
| AMAZONEN WERKE H DREYER | Mar 14, 2019 | GRUNECKER PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | SE20070000529 |
| DESCRIPTION | US3888387 |
| DESCRIPTION | US4356934 |
| DESCRIPTION | US4450979 |
| OPPOSITION | DE2401306 |
| OPPOSITION | DE2448672 |
| OPPOSITION | DE2934121 |
| OPPOSITION | DE69312431T |
| OPPOSITION | EP3172955 |
| OPPOSITION | US2007266917 |
| OPPOSITION | US3698332 |
| OPPOSITION | US3888387 |
| OPPOSITION | US4356934 |
| OPPOSITION | US4915258 |
| OPPOSITION | US5027725 |
| OPPOSITION | US5603269 |
| OPPOSITION | WO2008107454 |
| OPPOSITION | WO2008108732 |
| OPPOSITION | WO2010059101 |
| SEARCH | US2007266917 |
| SEARCH | US3990606 |
| SEARCH | US5842428 |
| SEARCH | WO2008108732 |
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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Search/Exam
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(Electronic) Receipt
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Sep 11, 2017
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(Electronic) Receipt
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Nov 30, 2016
Description
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Nov 30, 2016
Designation of inventor
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Nov 30, 2016
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Nov 30, 2016
Request for grant of a European patent
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Jun 17, 2010