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The patent EP2945799 was granted to Sartorius Stedim FMT on Apr 22, 2020. The application was filed on Jan 17, 2014 under application number EP14700755A. 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 |
|---|---|---|---|
| RENOLIT | Jan 21, 2021 | ZELLENTIN & PARTNER MBB PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO0004131 |
| EXAMINATION | US2007269623 |
| EXAMINATION | US2012208039 |
| INTERNATIONAL-SEARCH-REPORT | US2007054142 |
| INTERNATIONAL-SEARCH-REPORT | US2007269623 |
| INTERNATIONAL-SEARCH-REPORT | US2009061061 |
| INTERNATIONAL-SEARCH-REPORT | US2011026360 |
| INTERNATIONAL-SEARCH-REPORT | WO2011157813 |
| OPPOSITION | EP0561428 |
| OPPOSITION | GB2131739 |
| OPPOSITION | US2012052225 |
| OPPOSITION | US4552801 |
| OPPOSITION | US6333061 |
| OPPOSITION | US8252397 |
| OPPOSITION | WO9426816 |
| OPPOSITION | WO9526268 |
| OPPOSITION | WO9915289 |
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.
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Description
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Claims
Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
Oct 14, 2022
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jul 29, 2022
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Notice of appeal
Appeal
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OPPO
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May 6, 2020
Mar 26, 2020
Decision to grant a European patent
Search/Exam
Mar 17, 2020
(Electronic) Receipt
Search/Exam
Mar 17, 2020
Filing of the translations of the claims
Search/Exam
Mar 17, 2020
French translation of claims
Search/Exam
Mar 17, 2020
German translation of the claims
Search/Exam
Mar 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
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Intention to grant (signatures)
Search/Exam
Dec 16, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 16, 2019
Dec 11, 2018
(Electronic) Receipt
Search/Exam
Dec 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2018
Sep 19, 2018
Annex to the communication
Search/Exam
Sep 19, 2018
Communication from the Examining Division
Search/Exam
Aug 28, 2018
Examination started
Search/Exam
Feb 18, 2016
(Electronic) Receipt
Search/Exam
Feb 18, 2016
Amendments received before examination
Search/Exam
Feb 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2016
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 21, 2016
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Oct 30, 2015
Communication to designated inventor
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Oct 28, 2015
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(Electronic) Receipt
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Oct 23, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2015
Letter concerning the inventor
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Sep 29, 2015
Sep 17, 2015
Letter which had not been notified
Search/Exam
Aug 25, 2015
Aug 21, 2015
Communication to designated inventor
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Aug 21, 2015
Communication to designated inventor
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Aug 21, 2015
Communication to designated inventor
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Aug 21, 2015
Communication to designated inventor
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Aug 18, 2015
Priority search results copy provided by EPO
Search/Exam
Aug 3, 2015
Jul 13, 2015
(Electronic) Receipt
Search/Exam
Jul 13, 2015
Request for entry into the European phase
Search/Exam
May 29, 2015
Information on entry into European phase
Search/Exam
Aug 13, 2014
Jul 24, 2014
Copy of the international search report
Search/Exam
Jul 24, 2014
Published international application - A1
Search/Exam
Apr 25, 2014
Apr 25, 2014
Apr 25, 2014
Jan 17, 2014
(Electronic) Receipt
PCTRO
Jan 17, 2014
Abstract
PCTRO
Jan 17, 2014
Claims
PCTRO
Jan 17, 2014
Description
PCTRO
Jan 17, 2014
Drawings
PCTRO
Jan 17, 2014