Patent No. EP3226827 (titled "Aluminium-Free Antiperspirant/Deodorant Compositions And Method Of Preparing The Same") was filed by Stockholms Analytiska Laboratorium on Dec 1, 2015. The application was issued on Sep 29, 2021.

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 | Oct 29, 2019 | - |
| BEIERSDORF | Oct 25, 2019 | - |
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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