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Do the original companies have to reveal their manufacturing process to the public before they sell the drugs and the other companies can copy from them after their patent is expired?

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    I think the contents are in the patent. – paparazzo Oct 18 '17 at 22:40
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    When you patent, you have to tell the world how to replicate your invention. – Carey Gregory Oct 19 '17 at 2:08
  • So why do they patent it? Are they afraid the information will leak? – Ronen Festinger Oct 19 '17 at 6:05
  • So they have patent protection for X years. If they don't patent someone could come up with it independently. – paparazzo Oct 19 '17 at 15:07

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