Patent No. EP4218455 (titled "Flavoured Vapour Generating Apparatus") was filed by Altria Client Services on Jul 30, 2014. The application was issued on Aug 2, 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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