Method and system for obfuscating data structures by deterministic natural data substitution
CA 2532399 C · Owner: Microsoft Technology Licensing, Llc · Inventors: Fay, Jonathan E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system create a data structure from an obfuscated data structure. First the system operates on a first data structure whose obfuscation is desired and creates a data string based on a portion of the first data structure. Next based on the data string, a second data structure is deterministically generated from a third data structure and the second data structure replaces the first data structure.
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 January 6, 2006 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 6, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.