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The patent EP3674645 was granted to Danfoss on Jul 24, 2024. The application was filed on Aug 8, 2019 under application number EP19190805A. 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 |
|---|---|---|---|
| SWEP | May 2, 2022 | STROM & GULLIKSSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102005050738 |
| OPPOSITION | DE102010045534 |
| OPPOSITION | DE102010045535 |
| OPPOSITION | EP1890103 |
| OPPOSITION | JPS57107083U |
| OPPOSITION | KR101646484B |
| OPPOSITION | US2015021904 |
| OPPOSITION | US6394179 |
| OTHER | DE102005050738 |
| OTHER | DE102010045534 |
| OTHER | EP1890103 |
| OTHER | JPS57107083U |
| OTHER | US2015021904 |
| OTHER | US6394179 |
| SEARCH | DE102005050738 |
| SEARCH | DE102010045535 |
| SEARCH | EP1890103 |
| SEARCH | US2015021904 |
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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Description
OPPO
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Aug 17, 2021
Jul 8, 2021
Decision to grant a European patent
Search/Exam
Jun 22, 2021
Jun 21, 2021
(Electronic) Receipt
Search/Exam
Jun 21, 2021
Filing of the translations of the claims
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Jun 21, 2021
French translation of claims
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Jun 21, 2021
German translation of the claims
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Jun 21, 2021
Letter accompanying subsequently filed items
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Jun 17, 2021
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Non-patent literature filed by a third party
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Jun 16, 2021
Non-patent literature filed by a third party
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Jun 16, 2021
Non-patent literature filed by a third party
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Jun 16, 2021
Observations by third parties
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Jun 16, 2021
Observations by third parties
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Jun 16, 2021
Patent document filed by a Third party
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Jun 16, 2021
Patent document filed by a Third party
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Jun 16, 2021
Patent document filed by a Third party
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Mar 31, 2021
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Mar 31, 2021
Intention to grant (signatures)
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Mar 31, 2021
Text intended for grant (clean copy)
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Mar 31, 2021
Jan 14, 2021
(Electronic) Receipt
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Jan 14, 2021
Amended claims with annotations
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Jan 14, 2021
Claims
Search/Exam
Jan 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 14, 2021
Dec 11, 2020
Annex to the communication
Search/Exam
Dec 11, 2020
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Nov 30, 2020
Examination started
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Nov 23, 2020
(Electronic) Receipt
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Nov 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2020
Nov 13, 2020
Nov 4, 2020
(Electronic) Receipt
Search/Exam
Nov 4, 2020
Nov 4, 2020
Amended claims with annotations
Search/Exam
Nov 4, 2020
Nov 4, 2020
Amended description with annotations
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Nov 4, 2020
Amendments received before examination
Search/Exam
Nov 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2020
Letter concerning fees and payments
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Jul 6, 2020
Jun 4, 2020
Notification of forthcoming publication
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Feb 13, 2020
Feb 13, 2020
European search opinion
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Feb 13, 2020
European search report
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Feb 13, 2020
Information on Search Strategy
Search/Exam
Feb 4, 2020
Document concerning representation
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Feb 4, 2020
Search started
Search/Exam
Oct 24, 2019
Oct 8, 2019
Oct 1, 2019
Communication to designated inventor
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Oct 1, 2019
Communication to designated inventor
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Aug 8, 2019
Abstract
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Aug 8, 2019
Aug 8, 2019
Claims
Search/Exam
Aug 8, 2019
Description
Search/Exam
Aug 8, 2019
Designation of inventor
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Aug 8, 2019
Drawings
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Aug 8, 2019
Request for grant of a European patent
Search/Exam