Patent No. EP3093005 (titled "Octocrylene-Free Sunscreen Comprising Diethyl Hexyl Butamido Triazone") was filed by Beiersdorf on May 3, 2016. The application was issued on Mar 13, 2019.

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 |
|---|---|---|
| L'OREAL | Dec 13, 2019 | LOREAL |
| MIBELLE | Dec 13, 2019 | HEPP WENGER RYFFEL |
| PLOUGMANN VINGTOFT | Dec 13, 2019 | - |
| SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBB | Dec 13, 2019 | SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBB |
| DALLI WERKE | Dec 11, 2019 | F & E PATENT |
| DSM NUTRITIONAL PRODUCTS | Dec 9, 2019 | - |
| EMIL KIESSLING | Dec 9, 2019 | HERZOG PATENTANWALTS |
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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