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The patent EP3246065 was granted to AIR Liquide Medical Systems on Aug 25, 2021. The application was filed on May 20, 2016 under application number EP16305581A. 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 |
|---|---|---|---|
| MEDIN MEDICAL INNOVATIONS | Mar 8, 2022 | RUTTENSPERGER LACHNIT TROSSIN GOMOLL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0462701 |
| DESCRIPTION | EP0874667 |
| DESCRIPTION | EP1972357 |
| DESCRIPTION | EP2114500 |
| DESCRIPTION | WO0057942 |
| OPPOSITION | EP0462701 |
| OPPOSITION | EP1972357 |
| OPPOSITION | EP2818194 |
| OPPOSITION | US2010192954 |
| OPPOSITION | WO0057942 |
| OPPOSITION | WO2007045023 |
| OPPOSITION | WO2008037031 |
| OPPOSITION | WO2008106716 |
| OPPOSITION | WO9720597 |
| SEARCH | EP2818194 |
| SEARCH | US2010192954 |
| SEARCH | WO2007045023 |
| SEARCH | WO2008037031 |
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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Sep 7, 2021
Jul 29, 2021
Decision to grant a European patent
Search/Exam
Jul 19, 2021
(Electronic) Receipt
Search/Exam
Jul 19, 2021
Filing of the translations of the claims
Search/Exam
Jul 19, 2021
French translation of claims
Search/Exam
Jul 19, 2021
German translation of the claims
Search/Exam
Jul 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2021
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Intention to grant (signatures)
Search/Exam
Jun 4, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2021
Apr 27, 2021
(Electronic) Receipt
Search/Exam
Apr 27, 2021
Amended claims with annotations
Search/Exam
Apr 27, 2021
Claims
Search/Exam
Apr 27, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2021
Feb 11, 2021
Annex to the communication
Search/Exam
Feb 11, 2021
Communication from the Examining Division
Search/Exam
Feb 3, 2021
Examination started
Search/Exam
Nov 10, 2020
Nov 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2020
Jan 24, 2018
(Electronic) Receipt
Search/Exam
Jan 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Matter concerning the application
Search/Exam
Nov 27, 2017
Oct 25, 2017
Notification of forthcoming publication
Search/Exam
Aug 12, 2016
Communication to designated inventor
Search/Exam
Aug 12, 2016
Communication to designated inventor
Search/Exam
Aug 12, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
(Electronic) Receipt
Search/Exam
Aug 10, 2016
Aug 10, 2016
Amended claims with annotations
Search/Exam
Aug 10, 2016
Amendments received before examination
Search/Exam
Aug 10, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2016
Jul 13, 2016
European search opinion
Search/Exam
Jul 13, 2016
European search report
Search/Exam
Jul 13, 2016
Information on Search Strategy
Search/Exam
Jul 7, 2016
Modified abstract
Search/Exam
Jun 30, 2016
Search started
Search/Exam
Jun 1, 2016
May 20, 2016
Abstract
Search/Exam
May 20, 2016
May 20, 2016
Claims
Search/Exam
May 20, 2016
Description
Search/Exam
May 20, 2016
Designation of inventor
Search/Exam
May 20, 2016
Drawings
Search/Exam
May 20, 2016
Request for grant of a European patent
Search/Exam