Generally, intellectual property is intangible and is created by intellectual effort as opposed to physical effort.

一般来说，知识产权是无形的并且是由相对于体力劳动的智力劳动创造的。

youdao

Now more than ever, intangible capital (such as intellectual property and brands) rather than physical capital separates the winners from the rest.

FORBES: Brains Abroad