Novel hedgehog-derived polypeptides
CA 2206509 C · Owner: Porter, Jeffrey A. · Inventors: Moon, Randall T.; Porter, Jeffrey A.; Beachy, Philip A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides two novel polypeptides referred to as the "N" and "C" fragments of hedgehog or N-terminal and, C-terminal fragments respectively, which are derived after specific cleavage at a G~CF site recognized by the autoproteolytic domain in the native protein. Also provided are methods of use of the N and C fragments.
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 4, 1995 and granted May 3, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 4, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 4, 2017.
- 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.