Universal libraries for immunoglobulins
CA 2482863 A1 · Owner: Crea, Roberto · Inventors: Crea, Roberto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Libraries of immunoglobulins of interest are described the libraries , containing mutated immunoglobulins of interest in which a single predetermined amino acid has been substituted in one or more positions in one or more complementarity-determining regions of the immunoglobulin of interest. The libraries comprise a series of subset libraries in which the predetermined , amino acid is "walked through" each of the six complementarity-determining regions (CDRs) of the immunoglobulin of interest not only individually but also for each of the possible combinatorial variations of the CDRs resulting , in subset libraries that include mutated immunoglobulins having the predetermined amino …
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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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2025.
- 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.