The patent EP3330279B1 was granted to Chugai Seiyaku Kabushiki Kaisha on Apr 6, 2022 following the initial filing on Jul 29, 2016 under the application number EP16832930A . The current legal status of the patent is Granted And Under Opposition.
Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
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.
Date
Description
Get instant alerts for new documents