Understanding the #UnitedStatesofAmerica The 1898 Treaty of Paris - Article XIII

The 1898 Treaty of Paris - Article XIII

The rights of property secured by copyrights and patents acquired by Spaniards in the Island of Cuba and in Porto Rico, the Philippines and other ceded territories, at the time of the exchange of the ratifications of this treaty, shall continue to be respected. Spanish scientific, literary and artistic works, not subversive of public order in the territories in question, shall continue to be admitted free of duty into such territories, for the period of ten years, to be reckoned from the date of the exchange of the ratifications of this treaty.

You can read the 1898 Treaty of Paris for yourself, here --> "www.avalon.law,yale.edu"