Patent No. EP4111888 (titled "Electronic Atomization Device, Atomization Assembly, Atomization Element And Manufacturing Method Therefor") was filed by Shenzhen Smoore Technology on Feb 7, 2021. The application was issued on Sep 11, 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 |
|---|---|---|
| PHILIP MORRIS | Jun 10, 2025 | REDDIE & GROSE |
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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