Patent No. EP2874791 (titled "Composite Waste And Water Transport Elements And Methods Of Manufacture For Use On Aircraft") was filed by MAG Aerospace Industries on Jul 19, 2013. The application was issued on Aug 17, 2022.

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 |
|---|---|---|
| PFW AEROSPACE | Sep 18, 2019 | ISENBRUCK |
| AIRBUS OPERATIONS GMBHAIRBUS SASAIRBUS OPER ATIONS SASAIRBUS OPERATIONS LTDAIRBUS OPER ATIONS SL | Sep 17, 2019 | SCHORNACK |
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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