Patent No. EP3641996 (titled "Installation And Method For Producing Glued Plant Particles") was filed by Siempelkamp Maschinen UND Anlagenbau on Jul 30, 2018. The application was issued on Jun 16, 2021.

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 |
|---|---|---|
| DIEFFENBACHER MASCHINEN UND ANLAGENBAU | Mar 16, 2022 | LBP LEMCKE |
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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