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CA 2538526 C · Owner: Milleker, William N. · Inventors: Swaminathan, Kishore; Kurth, Scott W.; Milleker, William N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system including a document repository is provided. The system determines automatically, a level of similarity between at least two of a plurality of discrete elements stored in the document repository. The system then stores data representative of a link between the elements based in-part on the level of similarity. In another embodiment, the system determines a relationship between documents by retrieving a plurality of documents from a document repository. The system segments at least two documents of the plurality of documents into a plurality of conceptually meaningful segments. The system determines if a segment of one doument is related to a segment of another document and …
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 September 9, 2004 and granted August 26, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 9, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2026.
- 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.