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The patent EP2961315 was granted to Hamilton Medical on Dec 14, 2022. The application was filed on Feb 10, 2014 under application number EP14703383A. 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 |
|---|---|---|---|
| DRAGERWERK | Jul 30, 2020 | SPL PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2006260611 |
| INTERNATIONAL-SEARCH-REPORT | US2010228143 |
| OPPOSITION | DE102006018199 |
| OPPOSITION | DE102007052472 |
| OPPOSITION | DE10301202 |
| OPPOSITION | EP1137365 |
| OPPOSITION | US2007246046 |
| OPPOSITION | US5746214 |
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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Decision to grant a European patent
Search/Exam
Oct 15, 2019
English translation of the claims
Search/Exam
Oct 15, 2019
Filing of the translations of the claims
Search/Exam
Oct 15, 2019
French translation of claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 11, 2019
Text intended for grant (clean copy)
Search/Exam
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Dec 14, 2018
Submission concerning representation
Search/Exam
Jun 5, 2018
Amended description with annotations
Search/Exam
Jun 5, 2018
Description
Search/Exam
Jun 5, 2018
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Annex to the communication
Search/Exam
Feb 8, 2018
Communication from the Examining Division
Search/Exam
Feb 1, 2018
Examination started
Search/Exam
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Priority search results
Search/Exam
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Amendments received before examination
Search/Exam
Apr 28, 2016
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Search/Exam
Apr 28, 2016
Payment of fees and costs
Search/Exam
Jan 29, 2016
Communication to designated inventor
Search/Exam
Jan 18, 2016
Letter concerning the inventor
Search/Exam
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Letter which had not been notified
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Sep 25, 2015
(Electronic) Receipt
Search/Exam
Sep 25, 2015
Request for entry into the European phase
Search/Exam
Sep 17, 2015
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Information on entry into European phase
Search/Exam
Sep 22, 2014
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Copy of the international search report
Search/Exam
Sep 4, 2014
Published international application - A1
Search/Exam
Jun 10, 2014
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(Electronic) Receipt
PCTRO
Feb 10, 2014
Abstract
PCTRO
Feb 10, 2014
Claims
PCTRO
Feb 10, 2014
Description
PCTRO
Feb 10, 2014
Drawings
PCTRO