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The patent EP4241849 was granted to F Hoffmann LA Roche on Sep 18, 2024. The application was filed on Oct 11, 2012 under application number EP23172847A. 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 |
|---|---|---|---|
| ABEL & IMRAY | Jun 18, 2025 | ABEL & IMRAY | ADMISSIBLE |
| BRAND MURRAY FULLER | Jun 18, 2025 | BRAND MURRAY FULLER | ADMISSIBLE |
| STORZ | Jun 18, 2025 | - | ADMISSIBLE |
| LANYON OPPOSITIONS | Jun 17, 2025 | PINSENT MASONS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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|---|---|
| DESCRIPTION | US19370616820 |
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| OPPOSITION | EP1187632 |
| OPPOSITION | US2008102069 |
| OPPOSITION | WO2009154651 |
| SEARCH | WO2009154651 |
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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Decision to grant a European patent
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Aug 8, 2024
(Electronic) Receipt
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Aug 8, 2024
Filing of the translations of the claims
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Aug 8, 2024
French translation of claims
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German translation of the claims
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Aug 8, 2024
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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Claims
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May 22, 2024
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May 22, 2024
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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(Electronic) Receipt
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Dec 20, 2023
Amended claims with annotations
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Dec 20, 2023
Claims
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Dec 20, 2023
Letter accompanying subsequently filed items
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Annex to the communication
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Sep 4, 2023
Communication from the Examining Division
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Aug 24, 2023
Refund of fees
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Aug 21, 2023
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European search report
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Aug 21, 2023
Information on Search Strategy
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Aug 17, 2023
Notification of forthcoming publication
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Aug 9, 2023
Search started
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May 19, 2023
(Electronic) Receipt
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May 19, 2023
Converted Sequence Listing
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May 19, 2023
Letter accompanying subsequently filed items
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May 19, 2023
Matter concerning the application
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May 11, 2023
(Electronic) Receipt
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May 11, 2023
Abstract
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Annex
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May 11, 2023
Claims
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May 11, 2023
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May 11, 2023
Designation of inventor
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May 11, 2023
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Letter accompanying subsequently filed items
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May 11, 2023
Request for grant of a European patent
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