Patent No. EP4382938 (titled "Method For Estimating Dcir Of Battery And Battery System Providing Same") was filed by LG Energy Solution on Nov 8, 2022. The application was issued on Jun 12, 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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