Patent No. EP3661471 (titled "Elasticized Absorbent Articles And Methods Of Forming Elasticized Absorbent Articles") was filed by Kimberly Clark Worldwide on Jul 31, 2017. The application was issued on Nov 29, 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 |
|---|---|---|
| PAUL HARTMANN | Aug 29, 2024 | DREISS PATENTANWALTE PARTG MBB |
| THE PROCTER & GAMBLE | Aug 29, 2024 | ELKINGTON AND FIFE |
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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