Plasmid for delivery of nucleic acids to cells and methods of use
CA 2222601 C · Owner: Eastman, Eric M. · Inventors: Durland, Ross H.; Eastman, Eric M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to plasmid constructs useful for nonviral human gene therapy. The plasmid constructs incorporate plasmid elements for achieving high copy number, avoiding plasmid instability and providing a plasmid selection process. These constructs can be used to deliver nucleic acids to cells in vehicles which arecompatible with human therapeutic use.
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 April 23, 1996 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 23, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2018.
- 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.