% Expired Patents = 33.3

EPO Patents = 1

Trademarks = 1

Forward Citations = 208

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3 inventors (with patents filed for the assignee):

John Clifton Leahy (3 out of 3 patents)

Boris Dobra (1 out of 1 patent)

John E Oretti (1 out of 5 patents)

3 patents: Sort by Forward Citations

1. 9549622 - Shelf divider system (2017-01-24),

2. 7891675 - Apparatus for transporting products in crates or containers (2011-02-22),

3. 6082557 - Shelving system (2000-07-04),

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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#1 in Carrum Downs

#1,414 in Australia

Carrum Downs, Australia

Checkmate International Pty Ltd.

Forward Citations = 208

3 inventors:

John Clifton Leahy (3 out of 3 patents)

Boris Dobra (1 out of 1 patent)

John E Oretti (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Checkmate International Pty Ltd.. Retrieved from https://idiyas.com/company/checkmate-international-pty

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]

1 patent (EPO):

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]