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The patent EP3821580 was granted to Centripetal on May 29, 2024. The application was filed on Jul 8, 2019 under application number EP19745478A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_COA_0000891/2025 | Oct 17, 2025 | Centripetal | Appeal |
| UPC_CFI_636/2025 | Jul 10, 2025 | Centripetal | Generic |
| UPC_CFI_142/2025 | Feb 19, 2025 | Centripetal | Generic |
| UPC_CFI_729/2024 | Dec 3, 2024 | Keysight Deutschland | Counter Claim For Revocation |
| UPC_CFI_414/2024 | Jul 22, 2024 | Centripetal | Infringement |

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 |
|---|---|---|---|
| KEYSIGHT | Feb 28, 2025 | 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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2016127417 |
| INTERNATIONAL-SEARCH-REPORT | US8510821 |
| OPPOSITION | US2012110667 |
| OPPOSITION | US7746862 |
| OPPOSITION | US8510821 |
| OPPOSITION | US8953458 |
| OPPOSITION | US9223972 |
| OPPOSITION | US9591015 |
| OPPOSITION | WO2017086928 |
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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Decision to grant a European patent
Search/Exam
Apr 24, 2024
(Electronic) Receipt
Search/Exam
Apr 24, 2024
Filing of the translations of the claims
Search/Exam
Apr 24, 2024
French translation of claims
Search/Exam
Apr 24, 2024
German translation of the claims
Search/Exam
Apr 24, 2024
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
Jul 28, 2023
Amended claims with annotations
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Jul 28, 2023
Claims
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Letter accompanying subsequently filed items
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Annex to the communication
Search/Exam
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Consultation by telephone/in person
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Refund of fees
Search/Exam
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended description with annotations
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Dec 23, 2022
Description
Search/Exam
Dec 23, 2022
Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Aug 19, 2022
Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
Search/Exam
Feb 9, 2021
Request for entry into the European phase
Search/Exam
Jan 25, 2021
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Information on entry into European phase
Search/Exam
Feb 3, 2020
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Copy of the international search report
Search/Exam
Jan 16, 2020
Published international application - A1
Search/Exam
Sep 30, 2019
ISR: cited documents
PCTISA
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Annex
PCTISA
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Abstract
PCTISA
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Annex
PCTISA
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Claims
PCTISA
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Description
PCTISA
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PCTISA
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