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The patent EP2569571 was granted to Linde on Jul 19, 2017. The application was filed on May 5, 2011 under application number EP11717969A. 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 |
|---|---|---|---|
| FLUXYS BELGIUM | Apr 19, 2018 | HOYNG ROKH MONEGIER | ADMISSIBLE |
| GASUNIE DEUTSCHLAND TRANSPORT SERVICES NEDERLANDSE GASUNIE | Apr 19, 2018 | KNOOP | ADMISSIBLE |
| LAIR LIQUIDE | Apr 18, 2018 | DE VLEESCHAUWER | DEEMED NOT TO HAVE BEEN FILED |
| ONTRAS GASTRANSPORT | Apr 16, 2018 | CASTELL | ADMISSIBLE |
| THYSSENGAS | Apr 16, 2018 | HARLACHER | ADMISSIBLE |
| OPEN GRID EUROPE | Apr 13, 2018 | HARLACHER | ADMISSIBLE |
| GRTGAZ | Mar 30, 2018 | CASSIOPI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102008057694 |
| INTERNATIONAL-SEARCH-REPORT | US2009313896 |
| OPPOSITION | CH501864 |
| OPPOSITION | DD233157 |
| OPPOSITION | DE10062525 |
| OPPOSITION | DE102008025226 |
| OPPOSITION | DE102008057694 |
| OPPOSITION | DE10201273 |
| OPPOSITION | DE19952103 |
| OPPOSITION | DE69430310T |
| OPPOSITION | EP1788300 |
| OPPOSITION | EP2148127 |
| OPPOSITION | FR2894256 |
| OPPOSITION | FR2930770 |
| OPPOSITION | JP2002213695 |
| OPPOSITION | JP2002235900 |
| OPPOSITION | JP2002243100 |
| OPPOSITION | JP2005024061 |
| OPPOSITION | JP2006125552 |
| OPPOSITION | JP2006138351 |
| OPPOSITION | JP2008248934 |
| OPPOSITION | JP2010071570 |
| OPPOSITION | JP4219599B |
| OPPOSITION | JPS58203299 |
| OPPOSITION | RU2140605 |
| OPPOSITION | US2004084083 |
| OPPOSITION | US2009032135 |
| OPPOSITION | US2009151812 |
| OPPOSITION | US2009313896 |
| OPPOSITION | US3065807 |
| OPPOSITION | US6323420 |
| OPPOSITION | US6533328 |
| OPPOSITION | WO2008048239 |
| OPPOSITION | WO2009155140 |
| OPPOSITION | WO2010055156 |
| OPPOSITION | WO2012052125 |
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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OPPO
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Aug 9, 2017
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Decision to grant a European patent
Search/Exam
Jun 6, 2017
English translation of the claims
Search/Exam
Jun 6, 2017
Filing of the translations of the claims
Search/Exam
Jun 6, 2017
French translation of claims
Search/Exam
Jun 6, 2017
Letter concerning fees and payments
Search/Exam
Apr 6, 2017
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Intention to grant (signatures)
Search/Exam
Apr 6, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 6, 2017
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Feb 6, 2014
Oct 9, 2013
Annex to the communication
Search/Exam
Oct 9, 2013
Communication from the Examining Division
Search/Exam
Aug 29, 2013
Aug 27, 2013
Jul 4, 2013
Reply to Written Opinion prepared by the EPO
Search/Exam
Feb 20, 2013
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Dec 17, 2012
Communication to designated inventor
Search/Exam
Dec 17, 2012
Communication to designated inventor
Search/Exam
Dec 17, 2012
Communication to designated inventor
Search/Exam
Nov 27, 2012
Nov 27, 2012
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 8, 2012
Notice on debiting of fees
Search/Exam
Oct 23, 2012
Request for entry into the European phase
Search/Exam
Sep 21, 2012
Information on entry into European phase
Search/Exam
Dec 5, 2011
Nov 17, 2011
Copy of the international search report
Search/Exam
Nov 17, 2011
Copy of the international search report
Search/Exam
Nov 17, 2011
Published international application - A1
Search/Exam
Jul 6, 2011
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Jun 24, 2011
May 5, 2011
Abstract
PCTRO
May 5, 2011
Claims
PCTRO
May 5, 2011
Description
PCTRO