Patent No. EP3294222 (titled "Device For Covering And/Or Reconstructing A Bone Defect Site, Method For Producing A Cap For A Cover For A Bone Defect Site") was filed by Reoss on May 9, 2016. The application was issued on Dec 16, 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 |
|---|---|---|
| BOTISS BIOMATERIALS | Sep 15, 2021 | FRIDERICHS |
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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