According to the company "Pfizer" of drugs, Thursday, that it expects to begin in the production of pharmaceutical companies own versions of Viagra, which treats impotence after
Supreme Court of Canada declared invalid patent drug.
The Supreme Court upheld the claim of the company "Teva" Israeli Pharmaceutical Industries that your request Pfizer patent did not contain sufficient information for the active ingredient in Viagra.
Pfizer reported in an e-mailed statement, it expects to face competition from non-protected drugs patented in Canada soon.
The company expressed disappointment with regard to governance. The scheduled expiration of the patent for Viagra in Canada in 2014.
