Method for protecting a software using a so-called temporal dissociation principle against its unauthorised use
CA 2454092 A1 · Owner: Validy · Inventors: Sgro, Gilles; Cuenod, Jean-Christophe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method for protecting from a unit, a vulnerable software, against unauthorised use said vulnerable software operating on a data processing system. The inventive method consists in creating a protected software: by selecting at least an algorithmic processing; by producing the source of the protected software from the vulnerable software source by modifying the vulnerable software source so that at least a selected algorithmic processing is broken down such that when the protected software is executed there occur several separate steps namely: providing at least an operand for the unit; production by the unit of the functionality of the algorithmic processing on at …
Read the whole patent
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 July 4, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 2024.
- 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.