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The patent EP3067133 was granted to Tungaloy on May 20, 2020. The application was filed on Nov 7, 2014 under application number EP14861085A. 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 |
|---|---|---|---|
| KENNAMETAL | Feb 19, 2021 | F & E PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH05116003 |
| DESCRIPTION | WO2006064724 |
| INTERNATIONAL-SEARCH-REPORT | JP2002370105 |
| INTERNATIONAL-SEARCH-REPORT | US2013149527 |
| INTERNATIONAL-SEARCH-REPORT | WO2006064724 |
| INTERNATIONAL-SEARCH-REPORT | WO2009107648 |
| SEARCH | EP2251122 |
| SEARCH | JP2012206223 |
| SEARCH | US2008292905 |
| SEARCH | WO9519457 |
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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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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Nov 29, 2019
Text intended for grant (clean copy)
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Examination started
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Mar 22, 2017
Correction to A-publication
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Amended claims with annotations
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Amended description with annotations
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Mar 9, 2017
Amendments received before examination
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Mar 9, 2017
Request for correction of the publication
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Jan 9, 2017
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European search opinion
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Dec 20, 2016
Information on Search Strategy
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Dec 20, 2016
Supplementary European search report
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Nov 30, 2016
Search started
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Aug 18, 2016
Notification of forthcoming publication
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Jul 21, 2016
Matter concerning the application
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Jul 1, 2016
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(Electronic) Receipt
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Jun 30, 2016
Letter accompanying subsequently filed items
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Jun 21, 2016
Description
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Jun 21, 2016
Matter concerning the application
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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May 10, 2016
Abstract
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May 10, 2016
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Claims
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May 10, 2016
Request for entry into the European phase
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Mar 18, 2016
Information on entry into European phase
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Copy of the international search report
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International publication pamphlet
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