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The patent EP3067665 was granted to Linde on May 2, 2018. The application was filed on May 30, 2012 under application number EP16168210A. 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 |
|---|---|---|---|
| LAIR LIQUIDE SOCIETE ANONYME POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE | Jan 29, 2019 | AIR LIQUIDE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0324259 |
| OPPOSITION | EP2309230 |
| OPPOSITION | GB1438275 |
| OPPOSITION | JP2008169904 |
| OPPOSITION | US2008150739 |
| OPPOSITION | US4665911 |
| OPPOSITION | US5903000 |
| OPPOSITION | US6098646 |
| OPPOSITION | US6543444 |
| OPPOSITION | WO2005093377 |
| SEARCH | CA2034844 |
| SEARCH | EP0748970 |
| SEARCH | EP2165770 |
| SEARCH | US3839662 |
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.
Date
Description
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Means of redress
OPPO
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Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2020
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Annexes in respect of a client data request
Search/Exam
May 12, 2020
Annexes in respect of a client data request
Search/Exam
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Refund of fees
OPPO
Feb 8, 2019
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May 14, 2018
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Decision to grant a European patent
Search/Exam
Mar 16, 2018
Mar 13, 2018
(Electronic) Receipt
Search/Exam
Mar 13, 2018
French translation of claims
Search/Exam
Mar 13, 2018
German translation of the claims
Search/Exam
Mar 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2018
Jan 4, 2018
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Intention to grant (signatures)
Search/Exam
Jan 4, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 4, 2018
Aug 21, 2017
(Electronic) Receipt
Search/Exam
Aug 21, 2017
Amended claims with annotations
Search/Exam
Aug 21, 2017
Claims
Search/Exam
Aug 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2017
Jun 26, 2017
Jun 20, 2017
(Electronic) Receipt
Search/Exam
Jun 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 20, 2017
Feb 22, 2017
Annex to the communication
Search/Exam
Feb 22, 2017
Communication from the Examining Division
Search/Exam
Feb 15, 2017
Examination started
Search/Exam
Dec 2, 2016
(Electronic) Receipt
Search/Exam
Dec 2, 2016
Dec 2, 2016
Amended claims with annotations
Search/Exam
Dec 2, 2016
Amendments received before examination
Search/Exam
Dec 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2016
Sep 19, 2016
Aug 24, 2016
Refund of fees
Search/Exam
Aug 18, 2016
Notification of forthcoming publication
Search/Exam
Aug 8, 2016
Aug 8, 2016
European search opinion
Search/Exam
Aug 8, 2016
European search report
Search/Exam
Aug 8, 2016
Information on Search Strategy
Search/Exam
Jul 29, 2016
Jul 25, 2016
Search started
Search/Exam
Jul 18, 2016
Letter which had not been notified
Search/Exam
Jun 24, 2016
Communication to designated inventor
Search/Exam
Jun 24, 2016
Communication to designated inventor
Search/Exam
Jun 24, 2016
Communication to designated inventor
Search/Exam
Jun 24, 2016
Communication to designated inventor
Search/Exam
May 3, 2016
Abstract
Search/Exam
May 3, 2016
May 3, 2016
Claims
Search/Exam
May 3, 2016
Description
Search/Exam
May 3, 2016
Designation of inventor
Search/Exam
May 3, 2016
Drawings
Search/Exam
May 3, 2016
Request for grant of a European patent
Search/Exam
Jan 2, 2013