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The patent EP3121266 was granted to Baxalta on Apr 22, 2020. The application was filed on Jan 3, 2007 under application number EP16183987A. 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 |
|---|---|---|---|
| BREUER | Nov 26, 2020 | BREUER | ADMISSIBLE |
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Nov 26, 2020 | GRUNECKER PATENT | ADMISSIBLE |
| STRAWMAN | Nov 26, 2020 | MEWBURN ELLIS | ADMISSIBLE |
| MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | Nov 24, 2020 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
| PATENTANWALTE ISENBRUCK BOSL HORSCHLER PARTG MBB | Nov 23, 2020 | SIMMONS & SIMMONS MUNICH | ADMISSIBLE |
| ZWICKER SCHNAPPAUF & PARTNER | Nov 20, 2020 | ZWICKER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0481791 |
| DESCRIPTION | WO0003000 |
| DESCRIPTION | WO0123527 |
| DESCRIPTION | WO9615231 |
| DESCRIPTION | WO9626266 |
| DESCRIPTION | WO9808934 |
| DESCRIPTION | WO9815614 |
| EXAMINATION | WO03050296 |
| EXAMINATION | WO9935242 |
| OPPOSITION | AU2003252890B |
| OPPOSITION | CA2161517 |
| OPPOSITION | EP0481791 |
| OPPOSITION | EP0534383 |
| OPPOSITION | EP0653487 |
| OPPOSITION | EP0659880 |
| OPPOSITION | EP0666312 |
| OPPOSITION | EP1221476 |
| OPPOSITION | EP1413625 |
| OPPOSITION | EP1482031 |
| OPPOSITION | EP2522717 |
| OPPOSITION | US2004048368 |
| OPPOSITION | US4767704 |
| OPPOSITION | US5122469 |
| OPPOSITION | WO0111021 |
| OPPOSITION | WO0123527 |
| OPPOSITION | WO02077202 |
| OPPOSITION | WO02101019 |
| OPPOSITION | WO03050296 |
| OPPOSITION | WO2004005493 |
| OPPOSITION | WO2005012345 |
| OPPOSITION | WO2006045438 |
| OPPOSITION | WO2007077217 |
| OPPOSITION | WO9808934 |
| OTHER | WO9808934 |
| OTHER | WO9808935 |
| SEARCH | EP0659880 |
| SEARCH | US4767704 |
| SEARCH | WO2006045438 |
| SEARCH | WO9808934 |
| SEARCH | WO9815614 |
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
Search/Exam
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Change to the inventor details
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Nov 26, 2019
(Electronic) Receipt
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Nov 26, 2019
Filing of the translations of the claims
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Nov 26, 2019
French translation of claims
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German translation of the claims
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Nov 26, 2019
Letter accompanying subsequently filed items
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Citation filed by a third party
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Text intended for grant (clean copy)
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Annex to the communication
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Feb 27, 2018
Communication from the Examining Division
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Feb 20, 2018
Examination started
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Oct 19, 2017
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Reply to Written Opinion prepared by the EPO
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Notification of forthcoming publication
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Refund of fees
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European search opinion
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Nov 4, 2016
European search report
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Nov 4, 2016
Information on Search Strategy
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Oct 6, 2016
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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Aug 12, 2016
Abstract
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Aug 12, 2016
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Claims
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Aug 12, 2016
Description
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Aug 12, 2016
Designation of inventor
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Aug 12, 2016
Drawings
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Aug 12, 2016
Request for grant of a European patent
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Jul 30, 2007