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The patent EP3443704 was granted to Telefonaktiebolaget LM Ericsson Publ on May 6, 2020. The application was filed on May 12, 2017 under application number EP17727742A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GONZALEZ PANERO | Apr 29, 2020 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN105009640 |
| OPPOSITION | US2014079038 |
| OPPOSITION | US2015256308 |
| OPPOSITION | US2015365975 |
| OPPOSITION | US2016135247 |
| OPPOSITION | WO2010033989 |
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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Jul 17, 2024
Refund of fees
Appeal
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French translation of claims
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Claims
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Feb 15, 2019
Examination started
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Feb 6, 2019
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Communication to designated inventor
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Dec 21, 2018
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Dec 17, 2018
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