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The patent EP3395338 was granted to Amgen on May 1, 2019. The application was filed on Sep 10, 2004 under application number EP18175495A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| BETAPHARM ARZNEIMITTEL | Dec 9, 2020 | HAMM & WITTKOPP | INTERVENTION ADMISSIBLE |
| AECHTER | Jan 31, 2020 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| BIOGARAN | Jan 31, 2020 | CASALONGA | ADMISSIBLE |
| HGF | Jan 31, 2020 | - | ADMISSIBLE |
| ACCORD HEALTHCARE | Jan 31, 2020 | TER MEER STEINMEISTER & PARTNER | WITHDRAWN |
| GLENMARK PHARMACEUTICALS EUROPE | Jan 27, 2020 | SCHLICH | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jan 13, 2020 | ELKINGTON AND FIFE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0933354 |
| DESCRIPTION | US2002107406 |
| DESCRIPTION | US5981599 |
| DESCRIPTION | US6001884 |
| DESCRIPTION | US6011068 |
| DESCRIPTION | US6031003 |
| DESCRIPTION | US6172091 |
| DESCRIPTION | US6211244 |
| DESCRIPTION | US6313146 |
| DESCRIPTION | US6342532 |
| DESCRIPTION | US6363231 |
| DESCRIPTION | US6432656 |
| DESCRIPTION | WO0134562 |
| DESCRIPTION | WO9304373 |
| DESCRIPTION | WO9418959 |
| DESCRIPTION | WO9511221 |
| DESCRIPTION | WO9612697 |
| DESCRIPTION | WO9741090 |
| OPPOSITION | EP0124027 |
| OPPOSITION | EP0759296 |
| OPPOSITION | EP1663182 |
| OPPOSITION | EP2316442 |
| OPPOSITION | EP2821067 |
| OPPOSITION | EP3260117 |
| OPPOSITION | EP3395338 |
| OPPOSITION | EP3395339 |
| OPPOSITION | EP3395340 |
| OPPOSITION | EP3578175 |
| OPPOSITION | US6211244 |
| OPPOSITION | WO03086343 |
| OPPOSITION | WO2005034928 |
| SEARCH | US6211244 |
| SEARCH | US6313146 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Mar 20, 2019
Filing of the translations of the claims
Search/Exam
Mar 20, 2019
French translation of claims
Search/Exam
Mar 20, 2019
German translation of the claims
Search/Exam
Mar 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2019
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Intention to grant (signatures)
Search/Exam
Mar 18, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 18, 2019
Jan 16, 2019
(Electronic) Receipt
Search/Exam
Jan 16, 2019
Amended description with annotations
Search/Exam
Jan 16, 2019
Description
Search/Exam
Jan 16, 2019
Letter accompanying subsequently filed items
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Jan 16, 2019
Jan 10, 2019
Annex to the communication
Search/Exam
Jan 10, 2019
Communication from the Examining Division
Search/Exam
Nov 28, 2018
(Electronic) Receipt
Search/Exam
Nov 28, 2018
Amended claims with annotations
Search/Exam
Nov 28, 2018
Claims
Search/Exam
Nov 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2018
Nov 6, 2018
Oct 24, 2018
Refund of fees
Search/Exam
Oct 18, 2018
Annex to the communication
Search/Exam
Oct 18, 2018
Communication from the Examining Division
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Oct 4, 2018
Notification of forthcoming publication
Search/Exam
Oct 1, 2018
Oct 1, 2018
European search report
Search/Exam
Oct 1, 2018
Information on Search Strategy
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Sep 17, 2018
Search started
Search/Exam
Jul 25, 2018
Communication to designated inventor
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Jul 25, 2018
Communication to designated inventor
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Jul 25, 2018
Communication to designated inventor
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Jul 25, 2018
Communication to designated inventor
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Jul 4, 2018
Refund of fees
Search/Exam
Jul 4, 2018
Refund of fees
Search/Exam
Jun 1, 2018
Abstract
Search/Exam
Jun 1, 2018
Jun 1, 2018
Claims
Search/Exam
Jun 1, 2018
Description
Search/Exam
Jun 1, 2018
Designation of inventor
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Jun 1, 2018
Matter concerning the application
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Jun 1, 2018
Request for grant of a European patent
Search/Exam
May 11, 2005