The weekly litigation news digest is live. Subscribe now
The patent EP3866876 was granted to Abiomed on Nov 30, 2022. The application was filed on Oct 18, 2019 under application number EP19801153A. 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 |
|---|---|---|---|
| STRAWMAN | Aug 30, 2023 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2015141738 |
| INTERNATIONAL-SEARCH-REPORT | US2017049947 |
| INTERNATIONAL-SEARCH-REPORT | US6245007 |
| OPPOSITION | EP2047872 |
| OPPOSITION | US2004044266 |
| OPPOSITION | US2008114339 |
| OPPOSITION | US2009069886 |
| OPPOSITION | US2015080743 |
| OPPOSITION | US2017065267 |
| OPPOSITION | WO2011160858 |
| OPPOSITION | WO2013092971 |
| OPPOSITION | WO2013093058 |
| OPPOSITION | WO2014096408 |
| OPPOSITION | WO2016055368 |
| OPPOSITION | WO2017147103 |
| OPPOSITION | WO2018165519 |
| OPPOSITION | WO2019055591 |
| OPPOSITION | WO2019161245 |
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
Get instant alerts for new documents
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Means of redress
OPPO
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Nov 6, 2025
Oct 7, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Apr 7, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Mar 28, 2025
Mar 28, 2025
Mar 28, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 11, 2025
Mar 6, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Jan 15, 2025
Jan 14, 2025
Jan 13, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Dec 19, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Sep 5, 2024
Aug 30, 2024
Aug 30, 2024
Aug 30, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jun 26, 2024
Jun 26, 2024
Jun 17, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
May 28, 2024
Jan 29, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 24, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Dec 20, 2023
Dec 20, 2023
Dec 20, 2023
Dec 15, 2023
(Electronic) Receipt
Search/Exam
Dec 15, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2023
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Sep 13, 2023
Sep 13, 2023
Sep 5, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Dec 13, 2022
Nov 4, 2022
Decision to grant a European patent
Search/Exam
Sep 16, 2022
(Electronic) Receipt
Search/Exam
Sep 16, 2022
Filing of the translations of the claims
Search/Exam
Sep 16, 2022
French translation of claims
Search/Exam
Sep 16, 2022
German translation of the claims
Search/Exam
Sep 16, 2022
Letter accompanying subsequently filed items
Search/Exam
May 19, 2022
May 19, 2022
May 19, 2022
Intention to grant (signatures)
Search/Exam
May 19, 2022
Text intended for grant (clean copy)
Search/Exam
May 19, 2022
Apr 21, 2022
Examination started
Search/Exam
Oct 21, 2021
(Electronic) Receipt
Search/Exam
Oct 21, 2021
Oct 21, 2021
Amended claims with annotations
Search/Exam
Oct 21, 2021
Amendments received before examination
Search/Exam
Oct 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 28, 2021
May 27, 2021
May 17, 2021
(Electronic) Receipt
Search/Exam
May 17, 2021
Request for entry into the European phase
Search/Exam
May 3, 2021
Feb 26, 2021
Information on entry into European phase
Search/Exam
Jun 18, 2020
Jun 18, 2020
Notification of the recording of a change
Search/Exam
May 11, 2020
Apr 23, 2020
Copy of the international search report
Search/Exam
Apr 23, 2020
Published international application - A1
Search/Exam
Jan 30, 2020
ISR: cited documents
PCTISA
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Nov 21, 2019
Nov 7, 2019
Abstract
PCTISA
Nov 7, 2019
Claims
PCTISA
Nov 7, 2019
Description
PCTISA
Nov 7, 2019
Drawings
PCTISA
Nov 7, 2019