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The patent EP3781132 was granted to Bristol Myers Squibb on Mar 20, 2024. The application was filed on Apr 15, 2019 under application number EP19722333A. 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 |
|---|---|---|---|
| STADA ARZNEIMITTEL | Dec 19, 2024 | KERNEBECK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012087978 |
| DESCRIPTION | US2013045245 |
| DESCRIPTION | US6967208 |
| INTERNATIONAL-SEARCH-REPORT | CN105663049 |
| INTERNATIONAL-SEARCH-REPORT | CN106913528 |
| INTERNATIONAL-SEARCH-REPORT | WO2014027334 |
| OPPOSITION | WO2010003641 |
| OPPOSITION | WO2011106478 |
| OPPOSITION | WO2014052678 |
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
Feb 9, 2024
(Electronic) Receipt
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Feb 9, 2024
Filing of the translations of the claims
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Feb 9, 2024
French translation of claims
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Feb 9, 2024
German translation of the claims
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Feb 9, 2024
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jan 11, 2024
Letter accompanying subsequently filed items
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Jan 11, 2024
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Intention to grant (signatures)
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Oct 5, 2023
Text intended for grant (clean copy)
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Jan 19, 2023
(Electronic) Receipt
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Jan 19, 2023
Amended claims with annotations
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Jan 19, 2023
Amended description with annotations
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Jan 19, 2023
Claims
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Jan 19, 2023
Description
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Jan 19, 2023
Letter accompanying subsequently filed items
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Jan 19, 2023
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(Electronic) Receipt
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Dec 12, 2022
Letter accompanying subsequently filed items
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Dec 12, 2022
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Annex to the communication
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Aug 2, 2022
Communication from the Examining Division
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Jul 18, 2022
Examination started
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May 21, 2021
(Electronic) Receipt
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May 21, 2021
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Amended claims with annotations
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May 21, 2021
Amendments received before examination
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May 21, 2021
Letter accompanying subsequently filed items
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Jan 27, 2021
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Communication to designated inventor
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Nov 20, 2020
Communication to designated inventor
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Nov 20, 2020
Communication to designated inventor
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Nov 20, 2020
Communication to designated inventor
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Nov 3, 2020
(Electronic) Receipt
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Nov 3, 2020
Request for entry into the European phase
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Nov 2, 2020
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Notification of the recording of a change
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Oct 5, 2020
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Information on entry into European phase
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Nov 11, 2019
Oct 24, 2019
Copy of the international search report
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Oct 24, 2019
Published international application - A1
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Jul 8, 2019
ISR: cited documents
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Annex
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Abstract
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May 6, 2019
Annex
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May 6, 2019
Claims
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May 6, 2019
Description
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Drawings
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