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Method For Dyeing Keratinous Material, Containing Dye And An Acidic Post-Treatment Agent - EP3897565
The patent EP3897565 was granted to Henkel on Feb 12, 2025. The application was filed on Nov 7, 2019 under application number EP19801536A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP3897565
- Application Number
- EP19801536A
- Filing Date
- Nov 7, 2019
- Status
- Granted And Under Opposition
- Jan 10, 2025
- Publication Date
- Feb 12, 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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