58In the light of the foregoing, the answer to Questions 1 and 2 is that Article 101(1) TFEU must be interpreted as meaning that a manufacturer of originator medicines who is the holder of a manufacturing process patent for an active ingredient that is in the public domain, on the one hand, and the manufacturers of generic medicines who are preparing to enter the market of the medicine containing that active ingredient, on the other, who are in dispute as to whether that patent is valid or whether the generic medicines concerned infringe that patent, are potential competitors, where it is established that the manufacturer of generic medicines has in fact a firm intention and an inherent ability to enter the market, and that market entry does not meet barriers to entry that are insurmountable, which it is for the referring court to assess.
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