Patent No. EP4119961 (titled "Battery Apparatus And Method For Estimating Battery State") was filed by LG Energy Solution on Jun 28, 2021. The application was issued on Jan 18, 2023.

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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