Method and system for handling disputes in an electronic invoice management system
CA 2345886 A1 · Owner: Podgurny, Leonard A. · Inventors: Widlake, Edward A.; Podgurny, Leonard A.; Randell, Wayne L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for managing invoices offering dispute handling capabilities is provided. The electronic invoice management system includes a biller machine and a customer computing unit interconnected by a data network. The biller machine includes an invoice generation unit and a dispute resolution unit. The dispute resolution unit is linked to a dispute history data structure holding a plurality of groups of records, each group being associated to a corresponding customer entity. Each record includes reasons a prior invoice produced by the invoice generation unit was disputed by a customer entity. The dispute resolution unit is responsive to a message received from the customer …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 1, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 1, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 1, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.