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The patent EP3748260 was granted to Carrier on Sep 27, 2023. The application was filed on Jun 18, 2020 under application number EP20275110A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | Jun 7, 2024 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1956363 |
| OPPOSITION | JP2004177150 |
| OPPOSITION | JPH0755740 |
| OPPOSITION | US2005121614 |
| OPPOSITION | US2014216146 |
| OPPOSITION | WO2005054827 |
| OPPOSITION | WO2017050875 |
| OPPOSITION | WO2018154347 |
| SEARCH | CN105181621 |
| SEARCH | CN201110830Y |
| SEARCH | EP1956363 |
| SEARCH | JPH11304706 |
| SEARCH | WO2005054827 |
| SEARCH | WO2018147428 |
| SEARCH | WO2018154347 |
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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Oct 10, 2023
Aug 31, 2023
Decision to grant a European patent
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Aug 23, 2023
(Electronic) Receipt
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Aug 23, 2023
Filing of the translations of the claims
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Aug 23, 2023
French translation of claims
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Aug 23, 2023
German translation of the claims
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Aug 23, 2023
Letter accompanying subsequently filed items
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Apr 18, 2023
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Intention to grant (signatures)
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Apr 18, 2023
Text intended for grant (clean copy)
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Apr 18, 2023
Mar 2, 2023
Examination started
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Jun 8, 2021
(Electronic) Receipt
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Jun 8, 2021
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Amended claims with annotations
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Jun 8, 2021
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Amended description with annotations
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Jun 8, 2021
Amendments received before examination
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Jun 8, 2021
Letter accompanying subsequently filed items
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Dec 14, 2020
Nov 11, 2020
Notification of forthcoming publication
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Oct 16, 2020
Oct 16, 2020
European search opinion
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Oct 16, 2020
European search report
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Oct 16, 2020
Information on Search Strategy
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Oct 14, 2020
Refund of fees
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Oct 5, 2020
Sep 29, 2020
Search started
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Aug 25, 2020
(Electronic) Receipt
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Aug 25, 2020
Annex
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Aug 25, 2020
Annex
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Aug 25, 2020
Letter accompanying subsequently filed items
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Aug 25, 2020
Matter concerning the application
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Aug 11, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Aug 10, 2020
Aug 5, 2020
(Electronic) Receipt
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Aug 5, 2020
Letter accompanying subsequently filed items
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Aug 5, 2020
Matter concerning the application
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Jul 6, 2020
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Abstract
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Jun 18, 2020
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Annex
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Jun 18, 2020
Claims
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Jun 18, 2020
Description
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Jun 18, 2020
Designation of inventor
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Jun 18, 2020
Drawings
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Jun 18, 2020
Matter concerning the application
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Jun 18, 2020
Request for grant of a European patent
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