Patent No. EP2434777 (titled "Improved Earpiece") was filed by Freebit AS on May 30, 2008. The application was issued on Oct 28, 2015.

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 |
|---|---|---|
| BOSE | Feb 19, 2018 | PETERREINS SCHLEY |
| BOSE | Aug 17, 2017 | PETERREINS SCHLEY |
| SANTARELLI-SOCIÉTÉ DE CONSEILS EN PROPRIÉTÉ | Jul 26, 2016 | SANTARELLI |
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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