1. The land was donated to the park district with the stipulation that it be preserved in perpetuity.
2. The couple's love for each other seemed to last in perpetuity.
3. The contract specified that the company would have exclusive rights to the product in perpetuity.
4. The trust fund was set up to provide for the family's descendants in perpetuity.
5. The artist's work will be displayed in the museum in perpetuity.
6. The company agreed to pay royalties to the author in perpetuity for the use of his characters.
7. The conservation organization secured a grant to protect the endangered species in perpetuity.
8. The historic building was designated a landmark, ensuring its preservation in perpetuity.
9. The scholarship fund was established to provide financial assistance to students in perpetuity.
10. The family decided to create a foundation to support their favorite charity in perpetuity.