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Method And System For Vaporization Of Substance

Patent No. EP3753421 (titled "Method And System For Vaporization Of Substance") was filed by Japan Tobacco on Jul 18, 2006. The application was issued on Dec 8, 2021.

Patent Summary

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Patent Family

Patent Oppositions (4)

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.

CompanyOpposition DateRepresentative
IMPERIAL TOBACCOSep 8, 2022MEWBURN ELLIS
WEICKMANN & WEICKMANNSep 8, 2022-
NICOVENTURESSep 6, 2022DEHNS
PHILIP MORRISSep 5, 2022HGF

Dossier Documents

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EP3753421

JAPAN TOBACCO
Application Number
EP20188124A
Filing Date
Jul 18, 2006
Status
Revoked
May 2, 2025
Publication Date
Dec 8, 2021
External Links
Slate, EP3753421B1, Google Patents