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The patent EP2764939 was granted to Tungaloy on Dec 7, 2022. The application was filed on Oct 5, 2012 under application number EP12837720A. 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 |
|---|---|---|---|
| SANDVIK MACHINING SOLUTIONS | Mar 16, 2020 | WSL PATENTANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2003533357 |
| INTERNATIONAL-SEARCH-REPORT | JP2006523541 |
| INTERNATIONAL-SEARCH-REPORT | JPH07299633 |
| INTERNATIONAL-SEARCH-REPORT | JPS6192501U |
| INTERNATIONAL-SEARCH-REPORT | JPS6440205 |
| OPPOSITION | DE102004001970 |
| OPPOSITION | EP1952925 |
| OPPOSITION | JPH07299633 |
| OPPOSITION | US2002002886 |
| OPPOSITION | US2007011860 |
| OPPOSITION | US2007248425 |
| OPPOSITION | US2011103905 |
| OPPOSITION | US2011116878 |
| OPPOSITION | WO2005118192 |
| SEARCH | EP0300172 |
| SEARCH | US2007183857 |
| SEARCH | US2011020072 |
| SEARCH | US2011103905 |
| SEARCH | US5236288 |
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
Search/Exam
May 9, 2019
(Electronic) Receipt
Search/Exam
May 9, 2019
Filing of the translations of the claims
Search/Exam
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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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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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Amended claims with annotations
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Amended description with annotations
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Amended description with annotations
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Amendments received before examination
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European search opinion
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Supplementary European search report
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Apr 7, 2015
Search started
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Mar 12, 2015
Submission concerning representation
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Jan 7, 2015
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Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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Payment of fees and costs
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(Electronic) Receipt
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Apr 7, 2014
Abstract
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Apr 7, 2014
Claims
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Apr 7, 2014
Description
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Apr 7, 2014
Drawings
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Apr 7, 2014
Request for entry into the European phase
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Feb 14, 2014
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
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International publication pamphlet
Search/Exam