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The patent EP3761909 was granted to Cossington on Feb 21, 2024. The application was filed on Mar 7, 2018 under application number EP18719288A. 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 |
|---|---|---|---|
| G | Nov 21, 2024 | GAGLIARDELLI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010185298 |
| INTERNATIONAL-SEARCH-REPORT | US4883490 |
| INTERNATIONAL-SEARCH-REPORT | US5658338 |
| INTERNATIONAL-SEARCH-REPORT | WO2014072076 |
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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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Brief communication with time limit
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Annexes in respect of a client data request
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Authorisation
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Letter accompanying subsequently filed items
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Decision to grant a European patent
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Filing of the translations of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Authorisation
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Description
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Oct 28, 2022
Claims
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Oct 28, 2022
Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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Apr 23, 2021
Refund of fees
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Apr 15, 2021
(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Apr 9, 2021
Letter concerning the inventor
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Letter which had not been notified
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Refund of fees
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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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(Electronic) Receipt
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Oct 5, 2020
Authorisation
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Oct 5, 2020
Request for entry into the European phase
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Information on entry into European phase
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Sep 12, 2019
Copy of the international search report
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Sep 12, 2019
Published international application - A1
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Nov 14, 2018
ISR: cited documents
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Annex
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Abstract
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Claims
PCTISA
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Description
PCTISA
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