The patent EP2041026 was granted to Lair Liquide on Apr 24, 2024. The application was originally filed on Jun 28, 2007 under application number EP07803959A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | AU7358981 |
| INTERNATIONAL-SEARCH-REPORT | DE19621835 |
| INTERNATIONAL-SEARCH-REPORT | EP0376823 |
| INTERNATIONAL-SEARCH-REPORT | EP0744578 |
| INTERNATIONAL-SEARCH-REPORT | FR2211401 |
| INTERNATIONAL-SEARCH-REPORT | FR2231622 |
| INTERNATIONAL-SEARCH-REPORT | JPS6488077 |
| INTERNATIONAL-SEARCH-REPORT | US1898325 |
| INTERNATIONAL-SEARCH-REPORT | US3213634 |
| INTERNATIONAL-SEARCH-REPORT | US3848624 |
| INTERNATIONAL-SEARCH-REPORT | US5018667 |
| OPPOSITION | CN2348096Y |
| OPPOSITION | US3672181 |
| OPPOSITION | US3815377 |
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Date
Description
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Mar 28, 2024
Mar 28, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Dec 20, 2023
Dec 20, 2023
Dec 20, 2023
Dec 18, 2023
Refund of fees
Search/Exam
Dec 14, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Nov 16, 2023
Nov 16, 2023
Nov 15, 2023
(Electronic) Receipt
Appeal
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 7, 2023
Nov 7, 2023
Sep 1, 2023
Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Aug 29, 2023
Aug 4, 2023
Aug 4, 2023
Aug 1, 2023
Jan 2, 2023
Sep 28, 2022
Mar 12, 2022
Jun 25, 2021
Feb 16, 2021
Jan 29, 2021
(Electronic) Receipt
Appeal
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Reply to appeal
Appeal
Nov 10, 2020
Nov 3, 2020
Nov 3, 2020
Oct 1, 2020
Sep 24, 2020
(Electronic) Receipt
Appeal
Sep 24, 2020
Sep 24, 2020
Sep 24, 2020
Sep 24, 2020
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Aug 4, 2020
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Jul 27, 2020
Jul 24, 2020
(Electronic) Receipt
Appeal
Jul 24, 2020
Jul 24, 2020
Notice of appeal
Appeal
Jun 4, 2020
May 30, 2020
May 14, 2020
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Means of redress
OPPO
May 14, 2020
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Claims
OPPO
May 3, 2019
Claims
OPPO
May 3, 2019
Claims
OPPO
May 3, 2019
Description
OPPO
May 3, 2019
May 3, 2019
Jan 10, 2019
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Jan 3, 2019
Dec 14, 2018
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Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Jan 19, 2018
(Electronic) Receipt
Search/Exam
Jan 19, 2018
English translation of the claims
Search/Exam
Jan 19, 2018
Filing of the translations of the claims
Search/Exam
Jan 19, 2018
German translation of the claims
Search/Exam
Jan 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2017
Oct 18, 2017
Oct 18, 2017
Intention to grant (signatures)
Search/Exam
Oct 18, 2017
Text intended for grant (clean copy)
Search/Exam
Oct 18, 2017
Jun 27, 2017
(Electronic) Receipt
Search/Exam
Jun 27, 2017
Amended claims with annotations
Search/Exam
Jun 27, 2017
Amended description with annotations
Search/Exam
Jun 27, 2017
Claims
Search/Exam
Jun 27, 2017
Description
Search/Exam
Jun 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 27, 2017
May 12, 2017
Annex to the communication
Search/Exam
May 12, 2017
Communication from the Examining Division
Search/Exam
Sep 29, 2015
(Electronic) Receipt
Search/Exam
Sep 29, 2015
Amended claims with annotations
Search/Exam
Sep 29, 2015
Claims
Search/Exam
Sep 29, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2015
Apr 15, 2015
Annex to the communication
Search/Exam
Apr 15, 2015
Communication from the Examining Division
Search/Exam
Apr 9, 2015
Examination started
Search/Exam
Apr 4, 2009
Letter concerning the inventor
Search/Exam
Mar 24, 2009
Mar 13, 2009
Letter which had not been notified
Search/Exam
Mar 4, 2009
Feb 26, 2009
Jan 27, 2009
Jan 8, 2009
(Electronic) Receipt
Search/Exam
Jan 8, 2009
Request for entry into the European phase
Search/Exam
Nov 20, 2008
Information on entry into European phase
Search/Exam
Mar 13, 2008
Copy of the international search report
Search/Exam
Mar 13, 2008
Copy of the international search report
Search/Exam
Mar 13, 2008
Feb 11, 2008
Jan 17, 2008
Published international application - A2
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