System for monitoring bacterial tumor treatment
CA 2470411 C · Owner: Li, Xiao-Ming · Inventors: Jiang, Ping; Zhao, Ming; Li, Xiao-Ming
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method to follow the progress of tumor treatment in subjects utilizes bacteria that have been modified to express a fluorescent protein. The method can also monitor expression of genes associated with the bacteria that produce therapeutic agents during the course of treatment optionally against a , background of fluorescence generated by the tumor itself. The method permits visualization of the progress of treatment in live subjects so that treatments can be modified according to their efficacy.
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 December 31, 2002 and granted July 7, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 31, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 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.