The phrase "assert the rights of" is correct and usable in written English.
It can be used when discussing the act of claiming or defending someone's rights, often in legal or advocacy contexts.
Example: "The organization aims to assert the rights of marginalized communities in the face of discrimination."
Alternatives: "defend the rights of" or "uphold the rights of".
Is Mr Brown prepared to assert the rights of nation states to control capital flows?
Carpenter had done this, a front-page Times story reported, to assert the rights of delegates.
It would assert the rights of women, boldly and brashly, but without turning its own conviction into a false identity or ethic.
Bolivia also hosted the World people's climate summit where 45,000 people from 120 countries met in April to assert the "rights of Mother Nature".
Another way of putting this is that those who assert the rights of animals are in effect asserting – first and foremost – a right to life for all animals.
Kony believes he is the spokesman of God but also tries to assert the rights of his Acholi people in Uganda, particularly after the overthrow of the Acholi president.
"We similarly assert the right of Palestinians to have a sovereign, independent and viable state within secure and recognized borders".
And in the position paper, the Palestinians assert the right of refugees to return to the "homes from which they were driven" in what is now Israel.
Determined to assert the right of British talent over favoured continental painters, he set to work on the great murals for St Bartholomew's hospital.
While she has been giving speeches in praise of the United Nations and multilateralism, she has been careful to assert the right of the United States to act without the support of allies when necessary.
They are ideologically aligned with the Muslim Brotherhood and recently launched along with their powerful allies in France a pan-European campaign to assert the right of women to wear the veil.
