Patent No. EP3167694 (titled "Apparatus And Method For Plasma Synthesis Of Graphitic Products Including Graphene") was filed by FGV Cambridge Nanosystems on Jun 12, 2015. The application was issued on Aug 10, 2022.

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 |
|---|---|---|
| PPG INDUSTRIES OHIO | Jan 31, 2019 | F & E PATENT |
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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