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The patent EP3665706 was granted to Amgen on Aug 2, 2023. The application was filed on Aug 3, 2018 under application number EP18755676A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE | Apr 29, 2024 | CASPER | ADMISSIBLE |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Description
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jun 23, 2023
(Electronic) Receipt
Search/Exam
Jun 23, 2023
Filing of the translations of the claims
Search/Exam
Jun 23, 2023
French translation of claims
Search/Exam
Jun 23, 2023
German translation of the claims
Search/Exam
Jun 23, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Feb 13, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2023
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Examination started
Search/Exam
Sep 20, 2021
Document concerning representation
Search/Exam
Sep 29, 2020
Communication to designated inventor
Search/Exam
Sep 28, 2020
Change to the inventor details
Search/Exam
Sep 22, 2020
(Electronic) Receipt
Search/Exam
Sep 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 22, 2020
Letter concerning the inventor
Search/Exam
Sep 18, 2020
(Electronic) Receipt
Search/Exam
Sep 18, 2020
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Amended claims with annotations
Search/Exam
Sep 18, 2020
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Amended description with annotations
Search/Exam
Sep 18, 2020
Amendments received before examination
Search/Exam
Sep 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2020
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Letter which had not been notified
Search/Exam
May 20, 2020
Mar 17, 2020
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Feb 26, 2020
Feb 24, 2020
Information regarding early processing
Search/Exam
Feb 18, 2020
(Electronic) Receipt
Search/Exam
Feb 18, 2020
Matter concerning the application
Search/Exam
Feb 18, 2020
Request for entry into the European phase
Search/Exam
Dec 20, 2019
Information on entry into European phase
Search/Exam
Mar 5, 2019
Feb 14, 2019
Copy of the international search report
Search/Exam
Feb 14, 2019
Published international application - A1
Search/Exam
Nov 6, 2018
ISR: cited documents
PCTISA
Nov 2, 2018
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Aug 31, 2018
Aug 13, 2018
Abstract
PCTISA
Aug 13, 2018
Annex
PCTISA
Aug 13, 2018
Claims
PCTISA
Aug 13, 2018
Description
PCTISA
Aug 13, 2018
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PCTISA
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