Patent No. EP3284458 (titled "Production Process For Nsaid-Containing Lozenges, Their Compositions, Their Medicinal Use") was filed by Reckitt Benckiser on Feb 27, 2006. The application was issued on Jun 16, 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 |
|---|---|---|
| ZBM PATENTS | Mar 16, 2022 | ZBM PATENTS ZEA |
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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Sep 27, 2006