Patent No. EP2349551 (titled "Benefit Agent Containing Delivery Particle") was filed by The Procter & Gamble on Nov 4, 2009. The application was issued on Jul 26, 2023.

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 |
|---|---|---|
| HENKEL | Dec 23, 2016 | VIERING |
| UNILEVER PLC / UNILEVER N.V. | Dec 22, 2016 | HARDY |
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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