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The patent EP3735365 was granted to Huawei on Aug 20, 2025. The application was filed on Jan 23, 2019 under application number EP19744456A. 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 |
|---|---|---|---|
| PETERREINS SCHLEY PATENT UND RECHTSANWALTE PARTG MBB | Mar 20, 2023 | PETERREINS SCHLEY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP3109114 |
| DESCRIPTION | US2015194035 |
| DESCRIPTION | US2018012085 |
| DESCRIPTION | WO2018006019 |
| INTERNATIONAL-SEARCH-REPORT | EP3109114 |
| INTERNATIONAL-SEARCH-REPORT | JP2010097335 |
| INTERNATIONAL-SEARCH-REPORT | US2013188838 |
| INTERNATIONAL-SEARCH-REPORT | US2017083746 |
| OPPOSITION | EP3366541 |
| OPPOSITION | US11017249 |
| OPPOSITION | US2016063761 |
| OPPOSITION | US2016176339 |
| OPPOSITION | US2016267335 |
| SEARCH | US2015194035 |
| SEARCH | US2018012085 |
| SEARCH | WO2018006019 |
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
May 16, 2022
(Electronic) Receipt
Search/Exam
May 16, 2022
Filing of the translations of the claims
Search/Exam
May 16, 2022
French translation of claims
Search/Exam
May 16, 2022
German translation of the claims
Search/Exam
May 16, 2022
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Feb 24, 2022
Text intended for grant (clean copy)
Search/Exam
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Jan 26, 2022
Examination started
Search/Exam
Sep 14, 2021
(Electronic) Receipt
Search/Exam
Sep 14, 2021
Sep 14, 2021
Amended claims with annotations
Search/Exam
Sep 14, 2021
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Amended description with annotations
Search/Exam
Sep 14, 2021
Amendments received before examination
Search/Exam
Sep 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
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European search opinion
Search/Exam
Feb 16, 2021
Information on Search Strategy
Search/Exam
Feb 16, 2021
Supplementary European search report
Search/Exam
Feb 4, 2021
Search started
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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(Electronic) Receipt
Search/Exam
Aug 7, 2020
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Amended claims with annotations
Search/Exam
Aug 7, 2020
Request for entry into the European phase
Search/Exam
Jun 5, 2020
Information on entry into European phase
Search/Exam
Aug 19, 2019
Aug 1, 2019
Copy of the international search report
Search/Exam
Aug 1, 2019
Published international application - A1
Search/Exam