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The patent EP3095447 was granted to Opko Renal on Nov 24, 2021. The application was filed on Feb 2, 2007 under application number EP16164563A. 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 |
|---|---|---|---|
| DSM NUTRITIONAL PRODUCTS | Aug 23, 2022 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0240581 |
| OPPOSITION | US2002044968 |
| OPPOSITION | US5614513 |
| OPPOSITION | WO2004058235 |
| OPPOSITION | WO2007092755 |
| SEARCH | US2002044968 |
| SEARCH | US2003059471 |
| SEARCH | US2003195171 |
| SEARCH | US5614513 |
| SEARCH | WO0035419 |
| SEARCH | WO2004058235 |
| SEARCH | WO2005000268 |
| SEARCH | WO9631215 |
| SEARCH | WO9818610 |
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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Dec 9, 2025
Dec 9, 2025
Dec 4, 2025
Dec 1, 2025
(Electronic) Receipt
Appeal
Dec 1, 2025
Dec 1, 2025
Nov 20, 2025
Nov 17, 2025
(Electronic) Receipt
Appeal
Nov 17, 2025
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(Electronic) Receipt
Appeal
Jul 14, 2025
Jul 14, 2025
Reply to appeal
Appeal
Jun 25, 2025
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(Electronic) Receipt
Appeal
Jun 20, 2025
Jun 20, 2025
Reply to appeal
Appeal
Mar 14, 2025
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Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
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(Electronic) Receipt
Appeal
Mar 10, 2025
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Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
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Notice of appeal
Appeal
Jan 13, 2025
Notice of appeal
Appeal
Jan 13, 2025
Notice of appeal
Appeal
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Means of redress
OPPO
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Dec 7, 2021
Oct 28, 2021
Decision to grant a European patent
Search/Exam
Oct 18, 2021
(Electronic) Receipt
Search/Exam
Oct 18, 2021
Filing of the translations of the claims
Search/Exam
Oct 18, 2021
French translation of claims
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Oct 18, 2021
German translation of the claims
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Oct 18, 2021
Letter accompanying subsequently filed items
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Jun 23, 2021
Annex to a communication
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Jun 23, 2021
Annex to the communication
Search/Exam
Jun 23, 2021
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Intention to grant (signatures)
Search/Exam
Jun 22, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2021
Apr 26, 2021
(Electronic) Receipt
Search/Exam
Apr 26, 2021
Amended claims with annotations
Search/Exam
Apr 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2021
Apr 20, 2021
(Electronic) Receipt
Search/Exam
Apr 20, 2021
Claims
Search/Exam
Apr 20, 2021
Claims
Search/Exam
Apr 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2021
Apr 15, 2021
Annex to the communication
Search/Exam
Apr 15, 2021
Consultation by telephone/in person
Search/Exam
Apr 15, 2021
Apr 14, 2021
Apr 7, 2021
(Electronic) Receipt
Search/Exam
Apr 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2021
Oral proceedings: reply to date proposed
Search/Exam
Apr 6, 2021
Mar 29, 2021
Mar 18, 2021
(Electronic) Receipt
Search/Exam
Mar 18, 2021
Annex
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Claims
Search/Exam
Mar 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2021
Mar 18, 2021
Mar 18, 2021
Nov 26, 2020
Annex to the communication
Search/Exam
Nov 26, 2020
Summons to attend oral proceedings
Search/Exam
Nov 11, 2020
Change to the inventor details
Search/Exam
Nov 6, 2020
(Electronic) Receipt
Search/Exam
Nov 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2019
(Electronic) Receipt
Search/Exam
Dec 11, 2019
Amended claims with annotations
Search/Exam
Dec 11, 2019
Claims
Search/Exam
Dec 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2019
Oct 17, 2019
Oct 14, 2019
(Electronic) Receipt
Search/Exam
Oct 14, 2019
Jun 3, 2019
Annex to the communication
Search/Exam
Jun 3, 2019
Communication from the Examining Division
Search/Exam
May 23, 2019
Examination started
Search/Exam
Feb 21, 2018
Decision to allow further processing
Search/Exam
Feb 20, 2018
Feb 14, 2018
Feb 9, 2018
(Electronic) Receipt
Search/Exam
Feb 9, 2018
Feb 9, 2018
Amended claims with annotations
Search/Exam
Feb 9, 2018
Amendments received before examination
Search/Exam
Feb 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Request for further processing
Search/Exam
Nov 29, 2017
May 23, 2017
(Electronic) Receipt
Search/Exam
May 23, 2017
Letter accompanying subsequently filed items
Search/Exam
May 23, 2017
Maintenance of the application
Search/Exam
Nov 28, 2016
Nov 16, 2016
Refund of fees
Search/Exam
Oct 26, 2016
Notification of forthcoming publication
Search/Exam
Oct 25, 2016
Oct 25, 2016
European search opinion
Search/Exam
Oct 25, 2016
European search report
Search/Exam
Oct 25, 2016
Information on Search Strategy
Search/Exam
Sep 22, 2016
Search started
Search/Exam
Aug 18, 2016
Communication to designated inventor
Search/Exam
Aug 8, 2016
(Electronic) Receipt
Search/Exam
Aug 8, 2016
Letter concerning the inventor
Search/Exam
Jul 14, 2016
(Electronic) Receipt
Search/Exam
Jul 14, 2016
Annex
Search/Exam
Jul 14, 2016
Claims
Search/Exam
Jul 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2016
Matter concerning the application
Search/Exam
Jul 4, 2016
Jun 24, 2016
Letter which had not been notified
Search/Exam
Jun 1, 2016
Communication to designated inventor
Search/Exam
Jun 1, 2016
Communication to designated inventor
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Jun 1, 2016
Communication to designated inventor
Search/Exam
May 12, 2016
Invitation to file claims
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Apr 8, 2016
Abstract
Search/Exam
Apr 8, 2016
Apr 8, 2016
Description
Search/Exam
Apr 8, 2016
Designation of inventor
Search/Exam
Apr 8, 2016
Request for grant of a European patent
Search/Exam
Sep 4, 2007