The patent EP4558591A2 was granted to Championx on May 28, 2025 following the initial filing on Sep 6, 2023 under the application number EP23863940A . The current legal status of the patent is Request For Examination Was Made.
The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.
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