The patent EP2602350 was granted to NHK Spring on Mar 21, 2018. The application was originally filed on Aug 4, 2011 under application number EP11814765A. The patent is currently recorded with a legal status of "No Opposition Filed Within Time Limit".

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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