Patent No. EP3286292 (titled "Detergent Compositions Comprising And A Shading Dye Incorporated Into A Water-Soluble Film") was filed by The Procter & Gamble on Apr 19, 2016. The application was issued on Mar 20, 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 |
|---|---|---|
| HENKEL | Dec 9, 2019 | VIERING |
| UNILEVER UNILEVER | Dec 5, 2019 | BROOIJMANS |
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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