Patent No. EP2197527 (titled "Apparatus And Method For Monitoring An Airway Device Such As An Endotracheal Tube") was filed by Indian Ocean Medical on Sep 16, 2008. The application was issued on Oct 26, 2016.

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 |
|---|---|---|
| HAMILTON MEDICAL AG | Jun 21, 2017 | RUTTENSPERGER LACHNIT TROSSIN GOMOLL |
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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