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The patent EP3805248 was granted to Genentech on Jan 18, 2023. The application was filed on Sep 8, 2005 under application number EP20200642A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| APP_61203/2024 | Nov 14, 2024 | Cohausz & Florack | Generic |
| APP_61187/2024 | Nov 14, 2024 | Cohausz & Florack | Generic |
| UPC_CFI_166/2024 | Apr 9, 2024 | Genentech, Novartis | Provisional Measures |
| UPC_CFI_165/2024 | Apr 9, 2024 | Genentech, Novartis | Provisional Measures |

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 |
|---|---|---|---|
| KILBURN & STRODE | Oct 18, 2023 | KILBURN & STRODE | ADMISSIBLE |
| CELLTRION | Oct 16, 2023 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2001US20118 |
| DESCRIPTION | WO2001US25464 |
| DESCRIPTION | WO2001US26626 |
| DESCRIPTION | WO2002US12206 |
| DESCRIPTION | WO2002US12619 |
| DESCRIPTION | WO2002US19592 |
| DESCRIPTION | WO2002US28859 |
| DESCRIPTION | WO2002US33050 |
| DESCRIPTION | WO2002US41798 |
| DESCRIPTION | WO2003US11148 |
| DESCRIPTION | JPH01268646 |
| DESCRIPTION | US2002122797 |
| DESCRIPTION | US4816567 |
| DESCRIPTION | US5545806 |
| DESCRIPTION | US5545807 |
| DESCRIPTION | US5569825 |
| DESCRIPTION | US5591669 |
| DESCRIPTION | US5625126 |
| DESCRIPTION | US5633425 |
| DESCRIPTION | US5641870 |
| DESCRIPTION | US5661016 |
| DESCRIPTION | US6172213 |
| DESCRIPTION | US6252055 |
| DESCRIPTION | US6582959 |
| DESCRIPTION | WO9110741 |
| DESCRIPTION | WO9633735 |
| DESCRIPTION | WO9634096 |
| DESCRIPTION | WO9717852 |
| DESCRIPTION | WO9824893 |
| EXAMINATION | WO0230463 |
| EXAMINATION | WO2004091658 |
| EXAMINATION | WO9704801 |
| OPPOSITION | EP1610820 |
| OPPOSITION | EP1786830 |
| OPPOSITION | EP2292636 |
| OPPOSITION | EP2335725 |
| OPPOSITION | EP3805248 |
| OPPOSITION | US2002045571 |
| OPPOSITION | US4374763 |
| OPPOSITION | US6172213 |
| OPPOSITION | WO0230463 |
| OPPOSITION | WO2004091658 |
| OPPOSITION | WO2006031560 |
| OPPOSITION | WO9704801 |
| OTHER | EP1610820 |
| OTHER | EP2335725 |
| OTHER | US6172213 |
| OTHER | WO0230463 |
| OTHER | WO2004091658 |
| OTHER | WO9901556 |
| SEARCH | US2002045571 |
| SEARCH | US2004167320 |
| SEARCH | US5177194 |
| SEARCH | WO03042344 |
| SEARCH | WO2004042012 |
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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Dec 16, 2025
Refund of fees
Appeal
Dec 11, 2025
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(Electronic) Receipt
Appeal
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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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Dec 8, 2022
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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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Jan 31, 2022
Communication from the Examining Division
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Examination started
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Amended claims with annotations
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Jul 26, 2021
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Jul 26, 2021
Annex
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Jul 26, 2021
Letter accompanying subsequently filed items
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Jul 26, 2021
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Refund of fees
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Jul 19, 2021
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European search opinion
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Jun 10, 2021
European search report
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Jun 10, 2021
Information on Search Strategy
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Mar 17, 2021
Notification of forthcoming publication
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Mar 12, 2021
(Electronic) Receipt
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Mar 12, 2021
Letter accompanying subsequently filed items
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Mar 12, 2021
Letter concerning search matters
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Mar 11, 2021
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Information on Search Strategy
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Mar 11, 2021
Partial European search report
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Mar 11, 2021
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Nov 30, 2020
Communication to designated inventor
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Nov 3, 2020
(Electronic) Receipt
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Nov 3, 2020
Claims
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Nov 3, 2020
Letter accompanying subsequently filed items
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Nov 3, 2020
Matter concerning the application
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Oct 28, 2020
Invitation to file claims
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Oct 7, 2020
Abstract
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Oct 7, 2020
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Description
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Oct 7, 2020
Designation of inventor
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Oct 7, 2020
Drawings
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Oct 7, 2020
Letter concerning search matters
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Oct 7, 2020
Request for grant of a European patent
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