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The patent EP3368481 was granted to Magnesium Elektron on Jul 14, 2021. The application was filed on Oct 27, 2016 under application number EP16788758A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| NEO CHEMICALS & OXIDES EUROPE | Apr 12, 2022 | BIRD & BIRD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN103191712B |
| INTERNATIONAL-SEARCH-REPORT | EP0409282 |
| INTERNATIONAL-SEARCH-REPORT | EP0955267 |
| INTERNATIONAL-SEARCH-REPORT | US2016207027 |
| INTERNATIONAL-SEARCH-REPORT | WO2012088373 |
| INTERNATIONAL-SEARCH-REPORT | WO2014122140 |
| INTERNATIONAL-SEARCH-REPORT | WO2015145787 |
| OPPOSITION | EP3085667 |
| OPPOSITION | WO03037506 |
| OPPOSITION | WO2011138255 |
| OPPOSITION | WO2016037059 |
| OPPOSITION | WO2017185224 |
| OPPOSITION | WO9845212 |
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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Jul 27, 2021
Jun 17, 2021
Decision to grant a European patent
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Jun 7, 2021
(Electronic) Receipt
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Jun 7, 2021
Filing of the translations of the claims
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Jun 7, 2021
French translation of claims
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Jun 7, 2021
German translation of the claims
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Jun 7, 2021
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jun 1, 2021
Text intended for grant (clean copy)
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Jun 1, 2021
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(Electronic) Receipt
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Feb 3, 2021
Amended claims with annotations
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Feb 3, 2021
Amended description with annotations
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Feb 3, 2021
Claims
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Feb 3, 2021
Description
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Feb 3, 2021
Letter accompanying subsequently filed items
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Feb 3, 2021
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Annex to the communication
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Jan 26, 2021
Communication from the Examining Division
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Dec 18, 2020
(Electronic) Receipt
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Dec 18, 2020
Amended claims with annotations
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Dec 18, 2020
Claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Dec 11, 2020
Letter accompanying subsequently filed items
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Observations by third parties
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Annex to the communication
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Aug 4, 2020
Communication from the Examining Division
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Aug 3, 2020
(Electronic) Receipt
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Aug 3, 2020
Filing of the translations of the claims
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Aug 3, 2020
Letter accompanying subsequently filed items
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Aug 3, 2020
Translation of the claims
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Aug 3, 2020
Translation of the claims
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Jul 14, 2020
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Observations by third parties
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Jul 7, 2020
Observations by third parties
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Intention to grant (signatures)
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Jun 8, 2020
Text intended for grant (clean copy)
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Jun 8, 2020
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(Electronic) Receipt
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Feb 5, 2020
Amended description with annotations
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Feb 5, 2020
Description
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Feb 5, 2020
Letter accompanying subsequently filed items
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Annex to the communication
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Jan 31, 2020
Communication from the Examining Division
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Jan 24, 2020
Examination started
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Jan 20, 2020
Document concerning representation
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Nov 22, 2019
Submission concerning representation
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Dec 17, 2018
(Electronic) Receipt
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Dec 17, 2018
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Amended claims with annotations
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Dec 17, 2018
Amendments received before examination
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Dec 17, 2018
Letter accompanying subsequently filed items
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Aug 8, 2018
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Communication to designated inventor
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Communication to designated inventor
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May 16, 2018
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(Electronic) Receipt
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Apr 16, 2018
Request for entry into the European phase
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Apr 13, 2018
Notification of the recording of a change
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Mar 28, 2018
Submission concerning representation
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Mar 9, 2018
Information on entry into European phase
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Copy of the international search report
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May 4, 2017
Published international application - A1
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Dec 16, 2016
ISR: cited documents
PCTISA
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Abstract
PCTISA
Nov 4, 2016
Claims
PCTISA
Nov 4, 2016
Description
PCTISA
Nov 4, 2016
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