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Cabin Air Filter With Polarisation - EP4230298
The patent EP4230298 was granted to Hengst on Jan 29, 2025. The application was originally filed on Jun 29, 2022 under application number EP22182008A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP4230298
- Application Number
- EP22182008A
- Filing Date
- Jun 29, 2022
- Status
- Granted And Under Opposition
- Dec 26, 2024
- Publication Date
- Jan 29, 2025
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions
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.
Patent Citations (11) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
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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