Patent No. EP2974754 (titled "System And Method For Managing Reduced Pressure At A Tissue Site") was filed by KCI Licensing on Feb 8, 2008. The application was issued on Nov 21, 2018.

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 |
|---|---|---|
| PAUL HARTMANN | Aug 21, 2019 | DREISS PATENTANWALTE PARTG MBB |
| SMITH & NEPHEW | Aug 19, 2019 | HGF |
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 9, 2008