Patent No. EP4142031 (titled "Gas Venting Device, And Battery Pack Comprising Same") was filed by LG Energy Solution on Feb 21, 2022. The application was issued on Mar 1, 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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