Patent No. EP2464532 (titled "Sealing Arrangement For Fixed Vehicle Panes, Method For The Production And Use Thereof") was filed by Saint Gobain on Aug 2, 2010. The application was issued on Aug 7, 2019.

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 |
|---|---|---|
| ELKAMET KUNSTSTOFFTECHNIK GMBH | Mar 19, 2017 | DREISS PATENTANWALTE PARTG MBB |
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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