Can marketing strategies be patented?

You can't.

According to the provisions of Article 25 of the Patent Law, no patent right shall be granted to the following items:

(1) scientific discoveries;

(2) rules and methods of intellectual activities;

(3) Methods of diagnosis and treatment of diseases;

(4) Species of animals and plants;

(5) substances obtained by nuclear transformation.

The production method of the products listed in Item (4) of the preceding paragraph may be granted a patent right in accordance with the provisions of this Law.

Marketing strategy belongs to the method of intellectual activity and cannot be patented.