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The patent EP2715290 was granted to Linde on Apr 13, 2022. The application was filed on May 30, 2012 under application number EP12727898A. 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 |
|---|---|---|---|
| LAIR LIQUIDE SOCIETE ANONYME POUR LETUDE ET LEXPLOITATION DES PROCEDES GEORGES CLAUDE | May 20, 2019 | AIR LIQUIDE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6518749 |
| EXAMINATION | US7190159 |
| INTERNATIONAL-SEARCH-REPORT | DE19736982 |
| INTERNATIONAL-SEARCH-REPORT | EP2110949 |
| INTERNATIONAL-SEARCH-REPORT | US3839662 |
| OPPOSITION | EP0324259 |
| OPPOSITION | EP0544043 |
| OPPOSITION | EP2077438 |
| OPPOSITION | EP2309230 |
| OPPOSITION | GB1438275 |
| OPPOSITION | JP2008169904 |
| OPPOSITION | JPS57175211 |
| OPPOSITION | US2008150739 |
| OPPOSITION | US4665911 |
| OPPOSITION | US5903000 |
| OPPOSITION | US6098646 |
| OPPOSITION | US6543444 |
| OPPOSITION | WO2005093377 |
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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Description
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Aug 30, 2018
Decision to grant a European patent
Search/Exam
Aug 17, 2018
Filing of the translations of the claims
Search/Exam
Aug 17, 2018
French translation of claims
Search/Exam
Aug 17, 2018
German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Apr 24, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 24, 2018
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(Electronic) Receipt
Search/Exam
Feb 8, 2018
Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Feb 8, 2018
Claims
Search/Exam
Feb 8, 2018
Description
Search/Exam
Feb 8, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2018
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(Electronic) Receipt
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2018
Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Nov 30, 2017
Communication from the Examining Division
Search/Exam
Aug 8, 2017
Nov 15, 2016
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Annex to the communication
Search/Exam
Jul 8, 2016
Communication from the Examining Division
Search/Exam
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Letter which had not been notified
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Dec 20, 2013
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Amended claims with annotations
Search/Exam
Dec 20, 2013
Payment of fees and costs
Search/Exam
Dec 20, 2013
Request for entry into the European phase
Search/Exam
Dec 19, 2013
Oct 11, 2013
Information on entry into European phase
Search/Exam
Jan 24, 2013
Copy of the international search report
Search/Exam
Jan 24, 2013
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Dec 6, 2012
Published international application - A2
Search/Exam
Nov 16, 2012
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Jun 15, 2012
Abstract
PCTISA
Jun 15, 2012
Claims
PCTISA
Jun 15, 2012
Description
PCTISA
Jun 15, 2012
Drawings
PCTISA