Patent No. EP3436187 (titled "Device For Filling A Container With Particulate Material") was filed by Time Service Catalyst Handling on Mar 31, 2017. The application was issued on Jun 17, 2020.

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 |
|---|---|---|
| TOTALENERGIES RAFFINAGE CHIMIE | Mar 16, 2021 | FEDIT LORIOT |
| CREALYST GROUP | Oct 2, 2020 | LLR |
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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