Comment Re:And this is the same for copyrights. (Score 1) 240
Here is a citation:
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In the article Patent Protection Strategies (J Pharm Bioallied Sci), Gupta et al., discuss several of these strategies and examples of companies using them. Creating new, more efficacious formulations of drugs is a very common strategy to extend pharmaceutical patent life. Lilly created a new once weekly formulation of Prozac when it faced pharmaceutical patent expiration. BMS redesigned a once daily long acting version of metformin known as Glucophage XR when it faced pharmaceutical patent expiration.
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I don't believe the old patent just "expires" since it is the base for the new one.
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In the article Patent Protection Strategies (J Pharm Bioallied Sci), Gupta et al., discuss several of these strategies and examples of companies using them. Creating new, more efficacious formulations of drugs is a very common strategy to extend pharmaceutical patent life. Lilly created a new once weekly formulation of Prozac when it faced pharmaceutical patent expiration. BMS redesigned a once daily long acting version of metformin known as Glucophage XR when it faced pharmaceutical patent expiration.
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I don't believe the old patent just "expires" since it is the base for the new one.