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The patent EP3897470 was granted to Ottobock on Sep 11, 2024. The application was filed on Dec 4, 2019 under application number EP19817220A. 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 |
|---|---|---|---|
| MEDI | Jun 11, 2025 | LINDNER BLAUMEIER PATENT UND RECHTSANWALTE | ADMISSIBLE |
| BAUERFEIND | Jun 4, 2025 | GLEISS GROSSE SCHRELL UND PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CA2398059 |
| DESCRIPTION | EP0876130 |
| DESCRIPTION | US2008039757 |
| DESCRIPTION | US6024712 |
| DESCRIPTION | WO2013072064 |
| INTERNATIONAL-SEARCH-REPORT | EP2090273 |
| INTERNATIONAL-SEARCH-REPORT | US2013046394 |
| INTERNATIONAL-SEARCH-REPORT | WO2019091716 |
| OPPOSITION | DE102008029825 |
| OPPOSITION | DE102009038517 |
| OPPOSITION | DE102011018470 |
| OPPOSITION | DE102012009250 |
| OPPOSITION | DE102014107239 |
| OPPOSITION | DE102014226841 |
| OPPOSITION | DE10312656 |
| OPPOSITION | DE19506128 |
| OPPOSITION | DE19855542 |
| OPPOSITION | DE202006003245U |
| OPPOSITION | DE202008005533U |
| OPPOSITION | DE202015105668U |
| OPPOSITION | DE202017107500U |
| OPPOSITION | DE2556757 |
| OPPOSITION | EP0608223 |
| OPPOSITION | EP1121478 |
| OPPOSITION | EP1614405 |
| OPPOSITION | EP2090273 |
| OPPOSITION | EP2679107 |
| OPPOSITION | EP3402447 |
| OPPOSITION | EP3560609 |
| OPPOSITION | FR2988991 |
| OPPOSITION | US2008294082 |
| OPPOSITION | US2009163842 |
| OPPOSITION | US2013046394 |
| OPPOSITION | US4201203 |
| OPPOSITION | US4495942 |
| OPPOSITION | US6592539 |
| OPPOSITION | WO2013072064 |
| OPPOSITION | WO2014041075 |
| OPPOSITION | WO2019091716 |
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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Description
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Decision to grant a European patent
Search/Exam
Aug 7, 2024
(Electronic) Receipt
Search/Exam
Aug 7, 2024
English translation of the claims
Search/Exam
Aug 7, 2024
Filing of the translations of the claims
Search/Exam
Aug 7, 2024
French translation of claims
Search/Exam
Aug 7, 2024
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2024
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Intention to grant (signatures)
Search/Exam
Apr 19, 2024
Text intended for grant (clean copy)
Search/Exam
Apr 19, 2024
Mar 21, 2024
Examination started
Search/Exam
Jan 13, 2023
Document concerning representation
Search/Exam
Oct 27, 2021
Oct 12, 2021
(Electronic) Receipt
Search/Exam
Oct 12, 2021
Oct 12, 2021
Amended description with annotations
Search/Exam
Oct 12, 2021
Amendments received before examination
Search/Exam
Oct 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2021
Jul 8, 2021
(Electronic) Receipt
Search/Exam
Jul 8, 2021
Priority search results
Search/Exam
Jul 8, 2021
Request for entry into the European phase
Search/Exam
Jul 5, 2021
Apr 30, 2021
Information on entry into European phase
Search/Exam
Jul 13, 2020
Jun 25, 2020
Copy of the international search report
Search/Exam
Jun 25, 2020
Copy of the international search report
Search/Exam
Jun 25, 2020
Published international application - A1
Search/Exam
Mar 24, 2020
ISR: cited documents
PCTISA
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Dec 4, 2019
(Electronic) Receipt
PCTRO
Dec 4, 2019
Abstract
PCTRO
Dec 4, 2019
Claims
PCTRO
Dec 4, 2019
Description
PCTRO
Dec 4, 2019
Dec 4, 2019
Drawings
PCTRO
Dec 4, 2019