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ud83dudc49 u2705 For view source: https://bit.ly/3aQTh6u<br>Evergreening is any of the various legal, business, and technological ways using which manufacturers extend the lifetime of their patents that are about to expire to retain royalties from them by either taking out new patents (for example, over related delivery systems or new pharmaceutical mixtures) or buying out or frustrating competitors for a longer duration of time than what would normally be permissible under the law.
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