Patent No. EP3494942 (titled "Disposable Wearable Article") was filed by Unicharm on Dec 3, 2018. The application was issued on Aug 26, 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 |
|---|---|---|
| SCHOPF | May 26, 2021 | SAMSON & PARTNER |
| SCHOPF | May 26, 2021 | SAMSON & PARTNER PATENTANWALTE MBB |
| THE PROCTER & GAMBLE | May 26, 2021 | ELKINGTON AND FIFE |
| ESSITY HYGIENE AND HEALTH AKTIEBOLAG | May 21, 2021 | HOFFMANN EITLE |
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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