Patent No. EP4379784 (titled "A Method For Forming A Semiconductor Device With A Buried Power Rail") was filed by Imec VZW on Nov 30, 2022. The application was issued on Sep 17, 2025.

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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