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The patent EP1902264 was granted to Praxair Technology on Jan 5, 2022. The application was filed on Jun 16, 2006 under application number EP06785005A. 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 |
|---|---|---|---|
| AIR PRODUCTS AND CHEMICALS | Oct 4, 2018 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Dec 9, 2021
Dec 9, 2021
Dec 3, 2021
Nov 30, 2021
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Oct 21, 2021
Oct 21, 2021
Oct 21, 2021
Oct 12, 2021
Oct 5, 2021
Refund of fees
Search/Exam
Sep 30, 2021
Sep 30, 2021
Sep 27, 2021
Sep 27, 2021
Sep 24, 2021
(Electronic) Receipt
Appeal
Sep 24, 2021
Sep 24, 2021
Withdrawal of an appeal
Appeal
Sep 9, 2021
Sep 9, 2021
Sep 3, 2021
(Electronic) Receipt
Appeal
Sep 3, 2021
Sep 3, 2021
Notice of appeal
Appeal
Jun 25, 2021
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Means of redress
OPPO
Jun 25, 2021
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Claims
OPPO
Mar 29, 2019
Claims
OPPO
Mar 29, 2019
Mar 29, 2019
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Mar 7, 2019
Mar 1, 2019
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Dec 17, 2018
Dec 17, 2018
Dec 11, 2018
Authorisation
OPPO
Dec 11, 2018
Nov 22, 2018
Nov 12, 2018
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Oct 4, 2018
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Jan 26, 2018
Jan 4, 2018
Refund of fees
Search/Exam
Dec 15, 2017
Dec 15, 2017
Dec 14, 2017
Decision to grant a European patent
Search/Exam
Nov 27, 2017
(Electronic) Receipt
Search/Exam
Nov 27, 2017
Filing of the translations of the claims
Search/Exam
Nov 27, 2017
French translation of claims
Search/Exam
Nov 27, 2017
German translation of the claims
Search/Exam
Nov 27, 2017
Aug 8, 2017
Aug 8, 2017
Aug 8, 2017
Intention to grant (signatures)
Search/Exam
Aug 8, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2017
Feb 9, 2016
Amended claims with annotations
Search/Exam
Feb 9, 2016
Amended description with annotations
Search/Exam
Feb 9, 2016
Claims
Search/Exam
Feb 9, 2016
Description
Search/Exam
Feb 9, 2016
Oct 21, 2015
Annex to the communication
Search/Exam
Oct 21, 2015
Communication from the Examining Division
Search/Exam
Jul 16, 2015
May 13, 2014
Submission concerning representation
Search/Exam
Mar 28, 2014
Mar 17, 2014
(Electronic) Receipt
Search/Exam
Mar 17, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2014
Mar 17, 2014
Mar 17, 2014
Mar 17, 2014
Matter concerning the application
Search/Exam
Nov 26, 2013
Nov 20, 2013
Observations by third parties
Search/Exam
Apr 18, 2012
Aug 4, 2008
Jun 11, 2008
Final instructions (loss of partial rights)
Search/Exam
Mar 6, 2008
Mar 6, 2008
Mar 6, 2008
Amendments received before examination
Search/Exam
Feb 27, 2008
Feb 25, 2008
Feb 4, 2008
Jan 29, 2008
Jan 17, 2008
Letter concerning fees and payments
Search/Exam
Jan 17, 2008
Payment of fees and costs
Search/Exam
Jan 15, 2008
Jan 10, 2008
Matter concerning the application
Search/Exam
Jan 10, 2008
Request for entry into the European phase
Search/Exam
Nov 5, 2007
Information on entry into European phase
Search/Exam
Jan 15, 2007
Dec 28, 2006
Copy of the international search report
Search/Exam
Dec 28, 2006
Published international application - A1
Search/Exam