Now, some years later, Barker has used the same legal tactics at Friday the 13th writer Victor Miller and has ultimately regained all control over his original Hellraiser works and any upcoming film rights centered on his first book. After 35 years from the publication of a written work an author can petition for the rights to revert ownership back to the original writer. And Barker has taken advantage of that legal loophole to finally retain his intellectual property. There is still development happening on an HBO series which most likely won't be effected since Barker won't legally have the rights back until December 21st, 2021. Also he's working directly with HBO on the show, so we imagine they're in good company.
The only problem is that this only applies to rights in the U.S. which means Barker still may not fully be able to control what happens with Pinhead or related materials in other countries. Also, he will not be given any control over what happens with any of the released sequels or subsequent projects. This only hands him back rights to his original writings.
-CG