Patent No. EP1779839 (titled "Cosmetic Composition Comprising 1,2-Alkanediol(S)And Triazine(S)") was filed by Beiersdorf on Oct 23, 2006. The application was issued on Aug 14, 2019.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_366/2025 | Apr 28, 2025 | Beiersdorf | Infringement |

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 |
|---|---|---|
| STADA ARZNEIMITTEL | Feb 24, 2012 | HAMM & WITTKOPP |
| THE BOOTS | Feb 24, 2012 | GOODIER |
| THE PROCTER & GAMBLE | Feb 24, 2012 | ENGISCH |
| L'OREAL | Feb 20, 2012 | LOREAL |
| HENKEL | Feb 8, 2012 | - |
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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