Section 18

Subject to the provisions of this Act the rights to a patent shall belong to the inventor.

Where two or more persons have jointly made an invention, the rights to a patent shall belong to them jointly.

If two or more persons have separately and independently made the same invention, and each of them has made an application for a

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patent, the right to a patent for that invention shall belong to the person whose application has the earliest priority date.

Judicial assignment of patent application or patent