Patent No. EP2835063 (titled "Electronic Smoking Device And Process Of Manufacturing Thereof") was filed by Fontem on Aug 6, 2013. The application was issued on Apr 10, 2019.

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 |
|---|---|---|
| WEICKMANN & WEICKMANN | Jan 10, 2020 | - |
| JAPAN TOBACCO | Jan 9, 2020 | DOMPATENT VON KREISLER SELTING WERNER |
| JAPAN TOBACCO | Jan 9, 2020 | DOMPATENT VON PATENT UND RECHTSANWALTEN |
| PHILIP MORRIS | Dec 20, 2019 | MAIWALD |
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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