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The patent EP3874047 was granted to Lonza on Dec 25, 2024. The application was filed on Jan 10, 2020 under application number EP20700131A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| BOEHRINGER INGELHEIM | Jan 9, 2023 | SCHWARZ & PARTNER PATENTANWALTE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2258855 |
| DESCRIPTION | EP2669375 |
| DESCRIPTION | EP2952584 |
| DESCRIPTION | US6153424 |
| DESCRIPTION | WO2010099195 |
| DESCRIPTION | WO2012152823 |
| DESCRIPTION | WO2013050551 |
| DESCRIPTION | WO2014067926 |
| DESCRIPTION | WO2015158800 |
| DESCRIPTION | WO2015158808 |
| DESCRIPTION | WO2017021541 |
| DESCRIPTION | WO9217595 |
| INTERNATIONAL-SEARCH-REPORT | EP2258855 |
| INTERNATIONAL-SEARCH-REPORT | EP2669375 |
| INTERNATIONAL-SEARCH-REPORT | EP2952584 |
| INTERNATIONAL-SEARCH-REPORT | WO2010099195 |
| INTERNATIONAL-SEARCH-REPORT | WO2013050551 |
| INTERNATIONAL-SEARCH-REPORT | WO2015158800 |
| INTERNATIONAL-SEARCH-REPORT | WO2015158808 |
| INTERNATIONAL-SEARCH-REPORT | WO2017021541 |
| OPPOSITION | WO2008128701 |
| OPPOSITION | WO2013050551 |
| OPPOSITION | WO2015158800 |
| OPPOSITION | WO2015158808 |
| OPPOSITION | WO2017021541 |
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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OPPO
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Description
OPPO
Feb 29, 2024
Description
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Dec 17, 2021
(Electronic) Receipt
Search/Exam
Dec 17, 2021
Filing of the translations of the claims
Search/Exam
Dec 17, 2021
French translation of claims
Search/Exam
Dec 17, 2021
German translation of the claims
Search/Exam
Dec 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2021
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Intention to grant (signatures)
Search/Exam
Nov 4, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 4, 2021
Text intended for grant (sequence listing)
Search/Exam
Nov 4, 2021
Oct 13, 2021
Examination started
Search/Exam
Aug 11, 2021
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Refund of fees
Search/Exam
Jun 16, 2021
Jun 11, 2021
Priority search results copy provided by EPO
Search/Exam
Jun 2, 2021
(Electronic) Receipt
Search/Exam
Jun 2, 2021
Request for entry into the European phase
Search/Exam
May 21, 2021
Information on entry into European phase
Search/Exam
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Written opinion
PCT2
Jul 31, 2020
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Converted Sequence Listing
Search/Exam
Jul 16, 2020
Copy of the international search report
Search/Exam
Jul 16, 2020
Notification of election of EPO
Search/Exam
Jul 16, 2020
Published international application - A1
Search/Exam
May 7, 2020
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PCT demand form
PCT2
Apr 30, 2020
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ISR: cited documents
PCTISA
Feb 21, 2020
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(Electronic) Receipt
PCTRO
Jan 10, 2020
Abstract
PCTRO
Jan 10, 2020
Claims
PCTRO
Jan 10, 2020
Description
PCTRO
Jan 10, 2020
Jan 10, 2020
Drawings
PCTRO
Jan 10, 2020