Gain from the sale or exchange after December 31, 1962, of a patent, an invention, model, or design (whether or not patented), a copyright, a secret formula or process, or any other similar property right to any foreign corporation by any United States person (as defined in section
7701
(a)(30)) which controls such foreign corporation shall, if such gain would (but for the provisions of this subsection) be gain from the sale or exchange of a capital asset or of property described in section
1231, be considered as ordinary income.