Patent No. EP3419449 (titled "Vaporization Device Control Systems And Methods") was filed by Juul Labs on Feb 27, 2017. The application was issued on Sep 23, 2020.

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 |
|---|---|---|
| BARDEHLE PAGENBERG | Jun 23, 2021 | DE ROOIJ |
| BEHRENDS | Jun 22, 2021 | PELSTER BEHRENDS PATENTANWALTE PARTG MBB |
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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