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The patent EP3167283 was granted to Sartorius Stedim Biotech on Mar 31, 2021. The application was filed on May 12, 2015 under application number EP15725231A. 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 |
|---|---|---|---|
| CYTIVA SWEDEN | Jan 3, 2022 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO03051483 |
| INTERNATIONAL-SEARCH-REPORT | WO2012057676 |
| OPPOSITION | US2005009168 |
| OPPOSITION | WO2009138484 |
| OPPOSITION | WO2011017514 |
| OPPOSITION | WO2012057676 |
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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Jul 20, 2023
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Means of redress
OPPO
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Apr 13, 2021
Mar 4, 2021
Decision to grant a European patent
Search/Exam
Feb 17, 2021
(Electronic) Receipt
Search/Exam
Feb 17, 2021
English translation of the claims
Search/Exam
Feb 17, 2021
Filing of the translations of the claims
Search/Exam
Feb 17, 2021
French translation of claims
Search/Exam
Feb 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Intention to grant (signatures)
Search/Exam
Feb 15, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 15, 2021
Jan 13, 2021
(Electronic) Receipt
Search/Exam
Jan 13, 2021
Amended claims with annotations
Search/Exam
Jan 13, 2021
Claims
Search/Exam
Jan 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Oct 6, 2020
Oct 6, 2020
Oct 1, 2020
(Electronic) Receipt
Search/Exam
Oct 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2020
Sep 17, 2020
Sep 17, 2020
Sep 17, 2020
Intention to grant (signatures)
Search/Exam
Sep 17, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 17, 2020
Jul 22, 2020
(Electronic) Receipt
Search/Exam
Jul 22, 2020
Amended description with annotations
Search/Exam
Jul 22, 2020
Description
Search/Exam
Jul 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2020
Apr 29, 2020
Annex to the communication
Search/Exam
Apr 29, 2020
Communication from the Examining Division
Search/Exam
Dec 4, 2019
Amended claims with annotations
Search/Exam
Dec 4, 2019
Claims
Search/Exam
Dec 4, 2019
Aug 13, 2019
Annex to the communication
Search/Exam
Aug 13, 2019
Communication from the Examining Division
Search/Exam
Aug 5, 2019
Examination started
Search/Exam
Feb 19, 2019
Feb 6, 2019
(Electronic) Receipt
Search/Exam
Feb 6, 2019
Enquiry as to the processing of the file
Search/Exam
Feb 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2017
Priority search results
Search/Exam
Oct 10, 2017
Priority search results
Search/Exam
Oct 10, 2017
Priority search results
Search/Exam
Oct 10, 2017
Priority search results
Search/Exam
Oct 10, 2017
Priority search results
Search/Exam
Oct 10, 2017
Oct 4, 2017
Jul 26, 2017
Jul 26, 2017
Amended claims with annotations
Search/Exam
Jul 26, 2017
Amendments received before examination
Search/Exam
Apr 20, 2017
Mar 15, 2017
Letter concerning the inventor
Search/Exam
Mar 9, 2017
Mar 9, 2017
Mar 1, 2017
Letter which had not been notified
Search/Exam
Mar 1, 2017
Letter which had not been notified
Search/Exam
Feb 17, 2017
Feb 15, 2017
Communication to designated inventor
Search/Exam
Feb 15, 2017
Communication to designated inventor
Search/Exam
Feb 15, 2017
Communication to designated inventor
Search/Exam
Feb 15, 2017
Communication to designated inventor
Search/Exam
Jan 23, 2017
Dec 22, 2016
Payment of fees and costs
Search/Exam
Dec 16, 2016
Request for entry into the European phase
Search/Exam
Nov 18, 2016
Information on entry into European phase
Search/Exam
Feb 1, 2016
Jan 14, 2016
Copy of the international search report
Search/Exam
Jan 14, 2016
Copy of the international search report
Search/Exam
Jan 14, 2016
Published international application - A1
Search/Exam
Aug 20, 2015
Aug 20, 2015
Aug 20, 2015
May 28, 2015
May 12, 2015
Abstract
PCTRO
May 12, 2015
Claims
PCTRO
May 12, 2015
Description
PCTRO
May 12, 2015
Drawings
PCTRO