Patent No. EP2345456 (titled "Anhydrous Liquid Screening Compositioncontaining An Oily Phase, A Specific Triazine Filter And An Oily Reological Thickening Or Gelifying Agent") was filed by L'Oreal on Nov 18, 2010. The application was issued on Dec 9, 2020.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| BEIERSDORF | Jan 29, 2018 | - |
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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