Patent No. EP4321885 (titled "Device And Method For Diagnosing Damage To Switch In Battery Protection Circuit, And Battery Management Device Comprising Same") was filed by LG Energy Solution on Sep 15, 2022. The application was issued on Feb 14, 2024.

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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