Patent No. EP2855868 (titled "System For Adding And Processing Reducing Agent In A Motor Vehicle") was filed by Daimler AG on May 8, 2013. The application was issued on Dec 18, 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 |
|---|---|---|
| MAN TRUCK & BUS | Apr 12, 2017 | V BEZOLD & PARTNER PATENTANWALTE PARTG MBB |
| TENNECO GMBH | Apr 12, 2017 | THEWS |
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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