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The patent EP3234590 was granted to Cytiva Sweden on Oct 6, 2021. The application was filed on Dec 15, 2015 under application number EP15813020A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SARTORIUS STEDIM BIOTECH | Jul 5, 2022 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO2010151214 |
| INTERNATIONAL-SEARCH-REPORT | WO2012074481 |
| OPPOSITION | US2013316892 |
| OPPOSITION | WO2008153472 |
| OPPOSITION | WO2010151214 |
| OPPOSITION | WO2011123039 |
| OPPOSITION | WO2011123040 |
| OPPOSITION | WO2011152788 |
| OPPOSITION | WO2012169970 |
| OPPOSITION | WO2014031070 |
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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Means of redress
OPPO
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Authorisation
OPPO
Sep 21, 2022
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Nov 30, 2021
Nov 12, 2021
Letter which had not been notified
Search/Exam
Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Aug 31, 2021
(Electronic) Receipt
Search/Exam
Aug 31, 2021
Filing of the translations of the claims
Search/Exam
Aug 31, 2021
French translation of claims
Search/Exam
Aug 31, 2021
German translation of the claims
Search/Exam
Aug 31, 2021
Letter accompanying subsequently filed items
Search/Exam
May 3, 2021
May 3, 2021
May 3, 2021
Intention to grant (signatures)
Search/Exam
May 3, 2021
Text intended for grant (clean copy)
Search/Exam
May 3, 2021
Apr 13, 2021
Examination started
Search/Exam
Jul 13, 2020
Jul 2, 2020
Annexes in respect of a client data request
Search/Exam
Jul 2, 2020
Jul 2, 2020
Jun 23, 2020
Jun 4, 2020
Annexes in respect of a client data request
Search/Exam
Jun 4, 2020
General authorisation
Search/Exam
Jun 4, 2020
Mar 17, 2020
Feb 18, 2020
Apr 9, 2019
Apr 4, 2019
Feb 5, 2018
(Electronic) Receipt
Search/Exam
Feb 5, 2018
Feb 5, 2018
Amended claims with annotations
Search/Exam
Feb 5, 2018
Amendments received before examination
Search/Exam
Feb 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2017
Communication to designated inventor
Search/Exam
Oct 26, 2017
(Electronic) Receipt
Search/Exam
Oct 26, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2017
Letter concerning the inventor
Search/Exam
Sep 27, 2017
Aug 10, 2017
Aug 7, 2017
Letter which had not been notified
Search/Exam
Jul 25, 2017
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 4, 2017
Jun 7, 2017
(Electronic) Receipt
Search/Exam
Jun 7, 2017
Request for entry into the European phase
Search/Exam
May 2, 2017
Information on entry into European phase
Search/Exam
Jul 12, 2016
Jun 23, 2016
Copy of the international search report
Search/Exam
Jun 23, 2016
Published international application - A1
Search/Exam
Mar 18, 2016
ISR: cited documents
PCTISA
Mar 17, 2016
Mar 17, 2016
Mar 17, 2016
Jan 26, 2016
Jan 8, 2016
Dec 22, 2015
Dec 18, 2015
Dec 15, 2015
(Electronic) Receipt
PCTRO
Dec 15, 2015
Abstract
PCTRO
Dec 15, 2015
Claims
PCTRO
Dec 15, 2015
Description
PCTRO
Dec 15, 2015
Dec 15, 2015
Drawings
PCTRO
Dec 15, 2015