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USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#426 in Toronto
#4,372 in Canada
Leef Inc.
Forward Citations = 52
4 inventors:
Leef Inc.
% Expired Patents = 33.3
Trademarks = 1
Forward Citations = 52
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4 inventors (with patents filed for the assignee):
Jon Lee Anderson (2 out of 9 patents)
Gareth J Brennan (1 out of 1 patent)
David F Smurthwaite (1 out of 1 patent)
4. David J Smurthwaite (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leef Inc.. Retrieved from https://idiyas.com/company/leef
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]