Patent No. EP3821580 (titled "Methods And Systems For Efficient Network Protection") was filed by Centripetal on Jul 8, 2019. The application was issued on May 29, 2024.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_COA_0000014/2026 | Feb 5, 2026 | Centripetal | Appeal |
| 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 |
|---|---|---|
| KEYSIGHT | Feb 28, 2025 | SAMSON & PARTNER PATENTANWALTE MBB |
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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