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The patent EP3151898 was granted to Avent on Mar 24, 2021. The application was filed on Jun 1, 2015 under application number EP15730339A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| AIRWAY MEDIX | Dec 23, 2021 | HARRISON | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2011023885 |
| DESCRIPTION | US2013104884 |
| DESCRIPTION | US2014089028 |
| DESCRIPTION | WO2011126812 |
| DESCRIPTION | WO2013063520 |
| DESCRIPTION | WO2014089028 |
| INTERNATIONAL-SEARCH-REPORT | US2005172971 |
| INTERNATIONAL-SEARCH-REPORT | US2010036410 |
| INTERNATIONAL-SEARCH-REPORT | US2010106102 |
| INTERNATIONAL-SEARCH-REPORT | US2011197894 |
| INTERNATIONAL-SEARCH-REPORT | WO2010091309 |
| OPPOSITION | US2005017291 |
| OPPOSITION | US2006130847 |
| OPPOSITION | US2010036410 |
| OPPOSITION | US2010106102 |
| OPPOSITION | US5279549 |
| OPPOSITION | US5509899 |
| OPPOSITION | US7051737 |
| OPPOSITION | US7179345 |
| OPPOSITION | US7182746 |
| OPPOSITION | WO2010091309 |
| OPPOSITION | WO2013030821 |
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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General enquiry
OPPO
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Decision to grant a European patent
Search/Exam
Feb 15, 2021
(Electronic) Receipt
Search/Exam
Feb 15, 2021
Filing of the translations of the claims
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Feb 15, 2021
French translation of claims
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Feb 15, 2021
German translation of the claims
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Feb 15, 2021
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
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Amended description with annotations
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Description
Search/Exam
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Feb 28, 2020
Amended claims with annotations
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Feb 28, 2020
Claims
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Feb 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 28, 2020
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Annex to the communication
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Oct 22, 2019
Communication from the Examining Division
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Oct 14, 2019
Examination started
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Apr 4, 2017
(Electronic) Receipt
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Amended claims with annotations
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Apr 4, 2017
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Request for entry into the European phase
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Oct 14, 2016
Information on entry into European phase
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Jan 4, 2016
Dec 10, 2015
Copy of the international search report
Search/Exam
Dec 10, 2015
Published international application - A1
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Nov 23, 2015
ISR: cited documents
PCTISA
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Abstract
PCTISA
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Annex
PCTISA
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Claims
PCTISA
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Description
PCTISA
Jun 19, 2015
Drawings
PCTISA