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The patent EP3897767 was granted to Boston Scientific on Jul 5, 2023. The application was filed on Dec 5, 2019 under application number EP19828466A. 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 |
|---|---|---|---|
| S SCHRAMM SCHNEIDER BERTAGNOLL PATENT UND RECHTSANWALTE PART MBB | Apr 4, 2024 | MAIWALD | ADMISSIBLE |
| S SCHRAMM SCHNEIDER BERTAGNOLL PATENT UND RECHTSANWALTE PART MBB | Apr 4, 2024 | S SCHRAMM SCHNEIDER BERTAGNOLL PATENT UND RECHTSANWALTE PART MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2016213387 |
| INTERNATIONAL-SEARCH-REPORT | US2017215965 |
| INTERNATIONAL-SEARCH-REPORT | US2018132703 |
| OTHER | EP3229719 |
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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Nov 7, 2025
Nov 7, 2025
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(Electronic) Receipt
Appeal
Nov 3, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Sep 3, 2025
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Sep 3, 2025
Notice of appeal
Appeal
Sep 3, 2025
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Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
May 26, 2023
(Electronic) Receipt
Search/Exam
May 26, 2023
French translation of claims
Search/Exam
May 26, 2023
German translation of the claims
Search/Exam
May 26, 2023
Letter accompanying subsequently filed items
Search/Exam
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Non-patent literature filed by a third party
Search/Exam
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Observations by third parties
Search/Exam
Mar 8, 2023
Patent document filed by a Third party
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jan 19, 2023
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 15, 2022
Amended claims with annotations
Search/Exam
Dec 15, 2022
Amended description with annotations
Search/Exam
Dec 15, 2022
Claims
Search/Exam
Dec 15, 2022
Description
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Aug 31, 2022
Annex to the communication
Search/Exam
Aug 31, 2022
Communication from the Examining Division
Search/Exam
Aug 25, 2022
Examination started
Search/Exam
Jan 27, 2022
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Jan 27, 2022
Amendments received before examination
Search/Exam
Jan 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2021
Payment submission rejected
Search/Exam
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(Electronic) Receipt
Search/Exam
Jun 18, 2021
Request for entry into the European phase
Search/Exam
Apr 30, 2021
Information on entry into European phase
Search/Exam
Jul 13, 2020
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Copy of the international search report
Search/Exam
Jun 25, 2020
Published international application - A1
Search/Exam
Feb 20, 2020
ISR: cited documents
PCTISA
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Dec 24, 2019
Abstract
PCTISA
Dec 24, 2019
Annex
PCTISA
Dec 24, 2019
Annex
PCTISA
Dec 24, 2019
Claims
PCTISA
Dec 24, 2019
Description
PCTISA
Dec 24, 2019
Drawings
PCTISA
Dec 24, 2019