The patent EP4275822 was granted to Sumitomo Electric Industries on Nov 15, 2023. The application was originally filed on Feb 9, 2022 under application number EP22779565A. The patent is currently recorded with a legal status of "Intended To Grant".

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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