Patent No. EP2623020 (titled "Device For Testing The Otolith Function And Method For Determining The Subjective Visual Verticals") was filed by Chronos Vision on Feb 2, 2013. The application was issued on Jun 7, 2023.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_0002239/2025 | Dec 23, 2025 | Chronos Vision | 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 |
|---|---|---|
| SHANGHAI ZEHNIT MEDICAL TECHNOLOGY | Mar 7, 2024 | GRUNECKER PATENT |
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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