The weekly litigation news digest is live. Subscribe now
The patent EP3131518 was granted to Fresenius Medical Care Deutschland on Feb 7, 2024. The application was filed on Apr 15, 2015 under application number EP15717155A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| B BRAUN MELSUNGEN | Dec 30, 2021 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US5131567 |
| INTERNATIONAL-SEARCH-REPORT | DE3830630 |
| INTERNATIONAL-SEARCH-REPORT | US4991267 |
| INTERNATIONAL-SEARCH-REPORT | US4994056 |
| INTERNATIONAL-SEARCH-REPORT | WO2013156808 |
| OPPOSITION | CH456066 |
| OPPOSITION | DE202011107897U |
| OPPOSITION | DE3717512 |
| OPPOSITION | EP0619998 |
| OPPOSITION | EP1941869 |
| OPPOSITION | EP3024750 |
| OPPOSITION | US5131567 |
| OPPOSITION | US8485727 |
| OPPOSITION | WO2009109717 |
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
Jan 11, 2024
Jan 11, 2024
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Dec 22, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 4, 2023
Refund of fees
Appeal
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Sep 25, 2023
(Electronic) Receipt
Appeal
Sep 25, 2023
Sep 25, 2023
Sep 25, 2023
Withdrawal of an appeal
Appeal
Aug 10, 2023
Aug 10, 2023
Aug 4, 2023
(Electronic) Receipt
Appeal
Aug 4, 2023
Aug 4, 2023
Notice of appeal
Appeal
May 26, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
Means of redress
OPPO
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 9, 2023
May 5, 2023
May 5, 2023
Mar 15, 2023
Mar 13, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 9, 2023
Mar 7, 2023
Mar 7, 2023
Mar 7, 2023
Dec 2, 2022
Dec 2, 2022
Sep 2, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Jul 27, 2022
Jul 21, 2022
Jul 21, 2022
Jul 21, 2022
Jul 21, 2022
Jul 21, 2022
Jul 21, 2022
May 30, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
May 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 13, 2022
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Apr 13, 2021
Mar 4, 2021
Decision to grant a European patent
Search/Exam
Feb 18, 2021
(Electronic) Receipt
Search/Exam
Feb 18, 2021
English translation of the claims
Search/Exam
Feb 18, 2021
Filing of the translations of the claims
Search/Exam
Feb 18, 2021
French translation of claims
Search/Exam
Feb 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2020
Nov 2, 2020
Nov 2, 2020
Intention to grant (signatures)
Search/Exam
Nov 2, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 2, 2020
Jul 16, 2020
(Electronic) Receipt
Search/Exam
Jul 16, 2020
Amended claims with annotations
Search/Exam
Jul 16, 2020
Amended description with annotations
Search/Exam
Jul 16, 2020
Claims
Search/Exam
Jul 16, 2020
Description
Search/Exam
Jul 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2020
May 29, 2020
Annex to the communication
Search/Exam
May 29, 2020
Communication from the Examining Division
Search/Exam
May 20, 2020
Examination started
Search/Exam
Aug 22, 2017
(Electronic) Receipt
Search/Exam
Aug 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2017
Priority search results
Search/Exam
Aug 22, 2017
Jul 17, 2017
May 3, 2017
(Electronic) Receipt
Search/Exam
May 3, 2017
May 3, 2017
Amended claims with annotations
Search/Exam
May 3, 2017
Amendments received before examination
Search/Exam
May 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2017
Nov 25, 2016
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Oct 31, 2016
Oct 13, 2016
(Electronic) Receipt
Search/Exam
Oct 13, 2016
Request for entry into the European phase
Search/Exam
Sep 20, 2016
Letter which had not been notified
Search/Exam
Aug 26, 2016
Information on entry into European phase
Search/Exam
Feb 25, 2016
Feb 4, 2016
Nov 11, 2015
Oct 22, 2015
Copy of the international search report
Search/Exam
Oct 22, 2015
Published international application - A1
Search/Exam
Jun 30, 2015
Jun 30, 2015
Jun 30, 2015
Apr 15, 2015
(Electronic) Receipt
PCTRO
Apr 15, 2015
Abstract
PCTRO
Apr 15, 2015
Claims
PCTRO
Apr 15, 2015
Description
PCTRO
Apr 15, 2015
Drawings
PCTRO