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The patent EP3403646 was granted to Fresenius Kabi Deutschland on Sep 28, 2022. The application was filed on May 15, 2015 under application number EP18169979A. 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 |
|---|---|---|---|
| BIOGEN | Oct 5, 2022 | PATENT BOUTIQUE | ADMISSIBLE |
| BIOGEN | Oct 5, 2022 | POHLMAN | ADMISSIBLE |
| SAMSUNG BIOEPIS | Oct 5, 2022 | PATENT BOUTIQUE | ADMISSIBLE |
| SAMSUNG BIOEPIS | Oct 5, 2022 | POHLMAN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO9729131 |
| OPPOSITION | EP3148510 |
| OPPOSITION | IN1606MUMNP2012 |
| OPPOSITION | US2023115267 |
| OPPOSITION | WO2004016286 |
| OPPOSITION | WO2013164837 |
| OPPOSITION | WO2013186230 |
| OPPOSITION | WO2014039903 |
| OPPOSITION | WO2015177057 |
| OPPOSITION | WO2015177059 |
| SEARCH | WO2011104381 |
| SEARCH | WO2013186230 |
| SEARCH | WO2014039903 |
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
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Oct 28, 2025
Oct 28, 2025
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Mar 14, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Mar 14, 2025
Notice of appeal
Appeal
Mar 14, 2025
Notice of appeal
Appeal
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Notice of appeal
Appeal
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Means of redress
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Sep 1, 2022
Decision to grant a European patent
Search/Exam
Aug 17, 2022
(Electronic) Receipt
Search/Exam
Aug 17, 2022
Letter accompanying subsequently filed items
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Jun 23, 2022
(Electronic) Receipt
Search/Exam
Jun 23, 2022
Filing of the translations of the claims
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Jun 23, 2022
French translation of claims
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Jun 23, 2022
German translation of the claims
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Jun 23, 2022
Letter accompanying subsequently filed items
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Mar 23, 2022
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Intention to grant (signatures)
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Mar 23, 2022
Text intended for grant (clean copy)
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Mar 23, 2022
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Feb 8, 2022
(Electronic) Receipt
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Feb 8, 2022
Citation filed by a third party
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Feb 8, 2022
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Letter accompanying subsequently filed items
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Feb 8, 2022
Non-patent literature filed by a third party
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Feb 8, 2022
Non-patent literature filed by a third party
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Feb 8, 2022
Non-patent literature filed by a third party
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Feb 8, 2022
Observations by third parties
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Feb 3, 2022
Annex to the communication
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Feb 3, 2022
Consultation by telephone/in person
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Feb 3, 2022
Dec 9, 2021
(Electronic) Receipt
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Dec 9, 2021
Amended claims with annotations
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Dec 9, 2021
Amended description with annotations
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Dec 9, 2021
Claims
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Dec 9, 2021
Description
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Dec 9, 2021
Letter accompanying subsequently filed items
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Dec 9, 2021
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Document concerning representation
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Nov 10, 2021
Letter accompanying subsequently filed items
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Jul 7, 2021
Annex to a communication
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Jul 7, 2021
Annex to the communication
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Jul 7, 2021
Communication from the Examining Division
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May 25, 2021
(Electronic) Receipt
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May 25, 2021
Amended claims with annotations
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May 25, 2021
Amended description with annotations
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May 25, 2021
Claims
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May 25, 2021
Description
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May 25, 2021
Letter accompanying subsequently filed items
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May 25, 2021
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Nov 16, 2020
Annex to the communication
Search/Exam
Nov 16, 2020
Communication from the Examining Division
Search/Exam
Nov 10, 2020
Examination started
Search/Exam
Jun 4, 2020
May 29, 2020
May 17, 2019
(Electronic) Receipt
Search/Exam
May 17, 2019
May 17, 2019
Amended claims with annotations
Search/Exam
May 17, 2019
Amendments received before examination
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May 17, 2019
Letter accompanying subsequently filed items
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Nov 26, 2018
Oct 24, 2018
Notification of forthcoming publication
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Oct 17, 2018
Refund of fees
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Oct 12, 2018
Oct 12, 2018
European search opinion
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Oct 12, 2018
European search report
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Oct 12, 2018
Information on Search Strategy
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Jun 29, 2018
(Electronic) Receipt
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Jun 29, 2018
Claims
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Jun 29, 2018
Letter accompanying subsequently filed items
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Jun 29, 2018
Matter concerning the application
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Jun 20, 2018
Communication to designated inventor
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Jun 20, 2018
Communication to designated inventor
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Jun 20, 2018
Communication to designated inventor
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May 15, 2018
Invitation to file claims
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Apr 27, 2018
Abstract
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Apr 27, 2018
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Description
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Apr 27, 2018
Designation of inventor
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Apr 27, 2018
Drawings
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Apr 27, 2018
Request for grant of a European patent
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Feb 11, 2017
Priority search results copy provided by EPO
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Dec 14, 2015