The phrase "acquired all right" is correct and usable in written English.
It can be used to indicate that something has been obtained or received without any issues or problems.
Example: "After weeks of negotiations, we finally acquired all right to the property we wanted."
Alternatives: "secured all rights" or "obtained all rights".
Two years ago, Verizon acquired all the rights to Verizon Wireless, a separate cell-phone company set up in 2000, with a non-unionized workforce, in coöperation with the British company Vodafone.
Over the next 150 years, through a series of legal and ideological battles, corporations acquired all the rights of citizens to protection of properties and other freedoms.
In 1984 the publisher Simon & Schuster acquired all rights to the Stratemeyer Literary Syndicate.
In a novel agreement made the next year, Volkswagen acquired the Rolls-Royce automobile operations from Vickers, while BMW acquired all rights to the name Rolls-Royce with respect to cars.
In a parallel announcement, FL has acquired all rights and interests in the content that features the Beatles, their songs, movies etc. to be used to create new television, movie, and music videos.
It took Fulvio years, starting in 1991, to acquire all the rights to the cluster of houses at Borgo di Vagli and the surrounding fields and terraces.
Although I appreciate that you responded to the problem directly and clearly, your answer doesn't explain the attempt to acquire ALL moral rights.
(a) Except as otherwise provided in subsections (b) and (c), a purchaser of a certificated or uncertificated security acquires all rights in the security that the transferor had or had power to transfer.
But writers and editors are concerned about the fairness of the deal for authors, particularly since the standard contract means Macmillan will acquire all rights (such as overseas publishing deals) to the work, and, if it wishes, can publish a second book under the same terms as the first.
The term "conservation easement" includes an easement or restriction, recorded deed, or a reserve interest deed where the grantee acquires all rights, title, and interest in a property, that do not conflict with the goals of this section except those rights, title, and interests that may run with the land that are expressly reserved by a grantor and are agreed to at the time of purchase.
