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The patent EP3285105 was granted to Langmatz on Jun 10, 2020. The application was filed on Jul 20, 2017 under application number EP17001242A. 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 |
|---|---|---|---|
| BERTHOLD SICHERT | Mar 9, 2021 | WEICKMANN & WEICKMANN PARTMBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT2912U |
| OPPOSITION | DE102007054551 |
| OPPOSITION | DE102009005140 |
| OPPOSITION | DE102009014994 |
| OPPOSITION | DE202013102267U |
| OPPOSITION | EP0585809 |
| OPPOSITION | EP2661092 |
| OPPOSITION | JP2012125007 |
| OPPOSITION | US2007274660 |
| OPPOSITION | US2008031585 |
| OPPOSITION | US2009324187 |
| OPPOSITION | US2010183276 |
| OPPOSITION | US2012093473 |
| OPPOSITION | US2013230291 |
| OPPOSITION | US6061492 |
| OPPOSITION | WO2007065540 |
| OPPOSITION | WO9927404 |
| SEARCH | CN203275726U |
| SEARCH | DE202013102267U |
| SEARCH | EP2661092 |
| SEARCH | US2008031585 |
| SEARCH | US2012093473 |
| SEARCH | US2013230291 |
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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Refund of fees
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Jun 22, 2020
May 14, 2020
Decision to grant a European patent
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Apr 28, 2020
English translation of the claims
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Apr 28, 2020
Filing of the translations of the claims
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Apr 28, 2020
French translation of claims
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Apr 27, 2020
English translation of the claims
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Apr 27, 2020
Filing of the translations of the claims
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French translation of claims
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Intention to grant (signatures)
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Mar 16, 2020
Text intended for grant (clean copy)
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Abstract
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Abstract
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Amended claims with annotations
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Amended description with annotations
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Oct 16, 2019
Claims
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Description
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Amended claims with annotations
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Amended description with annotations
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Claims
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Observations by third parties
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Aug 5, 2019
Annex to the communication
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Aug 5, 2019
Communication from the Examining Division
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Jul 30, 2019
Examination started
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Mar 9, 2018
Priority search results
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Priority search results
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Amended claims with annotations
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Amended description with annotations
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Feb 12, 2018
Amendments received before examination
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Feb 9, 2018
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Amendments received before examination
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Jan 24, 2018
Notification of forthcoming publication
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Jan 8, 2018
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European search opinion
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Jan 8, 2018
European search report
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Jan 8, 2018
Information on Search Strategy
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Dec 20, 2017
Search started
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Sep 29, 2017
Communication to designated inventor
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Communication to designated inventor
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Sep 29, 2017
Communication to designated inventor
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Aug 2, 2017
Letter concerning the priority
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Aug 2, 2017
Priority document
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Jul 20, 2017
Abstract
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Claims
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Jul 20, 2017
Description
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Jul 20, 2017
Designation of inventor
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Jul 20, 2017
Drawings
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Jul 20, 2017
Payment of fees and costs
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Jul 20, 2017
Request for grant of a European patent
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