20 years... so, the patents on the previous generation are running out, are they? (I seriously hope this is excessive cynicism on my part, but I vaguely rememb

20 years... so, the patents on the previous generation are running out, are they? (I seriously hope this is excessive cynicism on my part, but I vaguely remember reading articles like https://www.mondaq.com/india/patent/768712/pharma-companies-extend-patent-life-with-slight-modifications https://www.mondaq.com/india/patent/768712/pharma-companies-... [have not read this particular one, just the first thing I found googling...])