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The patent EP3550795 was granted to Centripetal on Jun 2, 2021. The application was filed on Apr 7, 2015 under application number EP19170936A. 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 |
|---|---|---|---|
| PALO ALTO NETWORKS | Jun 15, 2022 | SCHMID | INTERVENTION ADMISSIBLE |
| KEYSIGHT DEUTSCHLAND | May 27, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | INTERVENTION ADMISSIBLE |
| CISCO SYSTEMS | May 23, 2022 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | INTERVENTION ADMISSIBLE |
| IXIA | Mar 2, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006195896 |
| DESCRIPTION | US2006248580 |
| DESCRIPTION | US2011055916 |
| OPPOSITION | US2004123220 |
| OPPOSITION | US2005138204 |
| OPPOSITION | US2006136987 |
| OPPOSITION | US2006146879 |
| OPPOSITION | US2006195896 |
| OPPOSITION | US2006248580 |
| OPPOSITION | US2007240208 |
| OPPOSITION | US2010257598 |
| OPPOSITION | US2011055916 |
| OPPOSITION | US2011072506 |
| OPPOSITION | US2011314177 |
| OPPOSITION | US7095716 |
| OPPOSITION | US8204082 |
| OPPOSITION | US8306994 |
| OPPOSITION | US8572717 |
| OPPOSITION | WO2015160567 |
| SEARCH | US2004123220 |
| SEARCH | US2005138204 |
| SEARCH | US2006136987 |
| SEARCH | US2006146879 |
| SEARCH | US2007240208 |
| SEARCH | US8306994 |
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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Claims
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Notice of appeal
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Jun 15, 2021
May 7, 2021
Decision to grant a European patent
Search/Exam
Apr 20, 2021
(Electronic) Receipt
Search/Exam
Apr 20, 2021
Filing of the translations of the claims
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Apr 20, 2021
French translation of claims
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Apr 20, 2021
German translation of the claims
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Apr 20, 2021
Letter accompanying subsequently filed items
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Feb 11, 2021
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Feb 11, 2021
Intention to grant (signatures)
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Feb 11, 2021
Text intended for grant (clean copy)
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Feb 11, 2021
Jan 25, 2021
Examination started
Search/Exam
Apr 3, 2020
(Electronic) Receipt
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Apr 3, 2020
Apr 3, 2020
Amended claims with annotations
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Apr 3, 2020
Apr 3, 2020
Amended description with annotations
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Apr 3, 2020
Amendments received before examination
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Apr 3, 2020
Letter accompanying subsequently filed items
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Oct 14, 2019
Sep 11, 2019
Notification of forthcoming publication
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Aug 23, 2019
Refund of fees
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Aug 16, 2019
Aug 16, 2019
European search opinion
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Aug 16, 2019
European search report
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Aug 16, 2019
Information on Search Strategy
Search/Exam
Aug 5, 2019
Search started
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Jun 17, 2019
Communication to designated inventor
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Jun 17, 2019
Communication to designated inventor
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Jun 17, 2019
Communication to designated inventor
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Jun 17, 2019
Communication to designated inventor
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Apr 25, 2019
(Electronic) Receipt
Search/Exam
Apr 25, 2019
Letter accompanying subsequently filed items
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Apr 24, 2019
Abstract
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Apr 24, 2019
Apr 24, 2019
Annex
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Apr 24, 2019
Claims
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Apr 24, 2019
Description
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Apr 24, 2019
Designation of inventor
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Apr 24, 2019
Drawings
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Apr 24, 2019
Matter concerning the application
Search/Exam
Apr 24, 2019
Request for grant of a European patent
Search/Exam
Nov 11, 2015