Patent No. EP4014764 (titled "Electronic Smoking Article Comprising One Or More Microheaters") was filed by RAI Strategic on Sep 6, 2013. The application was issued on Oct 16, 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 |
|---|---|---|
| IMPERIAL TOBACCO | Jul 15, 2025 | MEWBURN ELLIS |
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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