uncopiable
/ˌʌnˈkɒpɪəbəl/Definitions
1. adjective
Impossible to copy; incapable of being duplicated or replicated.
“The original artwork was uncopiable, making each piece truly unique.”
2. adjective
Not capable of being copied or reproduced.
“The rare species was uncopiable, and conservation efforts were underway to protect it.”