Patent No. EP3842693 (titled "Information Processing Device, Information Processing Program, And Information Processing Method") was filed by Ebara Environmental Plant on Aug 20, 2019. The application was issued on Feb 28, 2024.

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 |
|---|---|---|
| DORNBACH | Nov 27, 2024 | - |
| KANADEVIA INOVA | Nov 27, 2024 | SCHAAD |
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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