Patent No. EP4248277 (titled "Method For Manufacturing A Spring Leaf Of A Timepiece Member And Said Spring Leaf") was filed by Patek Philippe Genve on Nov 16, 2021. The application was issued on Sep 27, 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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