Episomal expression cassettes for gene therapy
CA 2205076 A1 · Owner: Hsc Research And Development Limited Partnership · Inventors: O'Brodovich, Hugh; Tsui, Lap-Chee; Hu, Jim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention consists of episomal expression cassettes for expression of a transgene in gene therapy. The expression cassettes consist of regulatory elements of the human cytokeratin gene and a transgene. The invention also includes liposomes for transfection of epithelial tissue with the cassettes in treatment of cystic fibrosis emphyserma, cancers of, epithelial origin arising in the lung or other organs.
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 May 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2019.
- 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.