The identification and development of specific monoclonal antibodies to squamous cell carcinoma
CA 2421070 A1 · Owner: International Bioimmune Systems, Inc. · Inventors: Arlen, Myron; Tsang, Kwong Y.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to novel antibodies antibody fragments and , antibody conjugates which display a high degree of selectivity for squamous cell carcinoma antigens including carcinomas of the lung esophagus and , cervix. The present invention relates to both in vivo and in vitro clinical screening methods for diagnosis or prognosis of carcinomas by means of detecting the expression of squamous cell carcinoma antigens in biological samples of the subject using the novel antibodies of the invention. The invention further provides for kits for carrying out the above described screening methods. Additionally, antibody conjugates may be used to efficiently deliver various …
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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 August 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2023.
- 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
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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.