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The patent EP3181772 was granted to ACG Holding on Oct 18, 2023. The application was filed on Sep 3, 2010 under application number EP16205449A. 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 |
|---|---|---|---|
| LEVIAT | Jul 18, 2024 | BOVARD | ADMISSIBLE |
| RUWA DRAHTSCHWEISSWERK | Jul 17, 2024 | AMMANN PATENTANWALTE | ADMISSIBLE |
| GRAVIS | Feb 11, 2024 | KELLER SCHNEIDER PATENT UND MARKENANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19937414 |
| DESCRIPTION | EP1207354 |
| EXAMINATION | DE20201525U |
| EXAMINATION | JPH05321404 |
| EXAMINATION | JPH06322890 |
| EXAMINATION | JPH07207837 |
| EXAMINATION | JPH0762793 |
| EXAMINATION | JPH08302902 |
| OPPOSITION | DE10001595 |
| OPPOSITION | DE102004005916 |
| OPPOSITION | DE19937414 |
| OPPOSITION | DE20022421U |
| OPPOSITION | DE20201525U |
| OPPOSITION | DE29903737U |
| OPPOSITION | DE29919879U |
| OPPOSITION | EP0385148 |
| OPPOSITION | EP1207354 |
| OPPOSITION | JP2004124623 |
| OPPOSITION | JPH05321402 |
| OPPOSITION | JPH05321404 |
| OPPOSITION | JPH0586686 |
| OPPOSITION | JPH06322890 |
| OPPOSITION | JPH07207837 |
| OPPOSITION | JPH0762793 |
| OPPOSITION | JPH08302902 |
| OTHER | JP2004124623 |
| OTHER | JPH05321404 |
| OTHER | JPH06322890 |
| SEARCH | DE10001595 |
| SEARCH | DE102004005916 |
| SEARCH | DE19937414 |
| SEARCH | DE20022421U |
| SEARCH | DE29903737U |
| SEARCH | DE29919879U |
| SEARCH | EP0385148 |
| SEARCH | EP1207354 |
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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Filing of the translations of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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(Electronic) Receipt
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Amended claims with annotations
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Annex
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Claims
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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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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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(Electronic) Receipt
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Claims
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(Electronic) Receipt
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Annex
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Summons to attend oral proceedings
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Nov 30, 2022
(Electronic) Receipt
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Nov 30, 2022
Enquiry as to the processing of the file
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Nov 30, 2022
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Aug 17, 2022
Amended claims with annotations
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Communication from the Examining Division
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Letter accompanying subsequently filed items
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Amended claims with annotations
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Communication from the Examining Division
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May 6, 2021
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May 6, 2021
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Annex to the communication
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Communication from the Examining Division
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Jun 29, 2020
Document concerning representation
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Annex to the communication
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Communication from the Examining Division
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Jul 12, 2019
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Jul 12, 2019
Amended claims with annotations
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Letter accompanying subsequently filed items
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Annex to the communication
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Mar 18, 2019
Communication from the Examining Division
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Examination started
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Letter accompanying subsequently filed items
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Non-patent literature filed by a third party
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Observations by third parties
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Letter accompanying subsequently filed items
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Refund of fees
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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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Modified abstract
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Communication to designated inventor
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Priority search results copy provided by EPO
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Feb 14, 2017
Abstract
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Annex
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Claims
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Description
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Designation of inventor
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Apr 7, 2011