Assuming here that you mean "Do the authors own the IP for their journal articles". The answer is that it depends on the journal, but in a lot of cases, you si

Assuming here that you mean "Do the authors own the IP for their journal articles". The answer is that it depends on the journal, but in a lot of cases, you sign over copyright to the article itself to the journal [1]. However, you still retain the IP of the things that the article is describing. If J Random Professor, PhD wants to patent something that they invented in a university lab, the usual breakdown in royalties is something like 1/3 goes to the university as a whole, 1/3 goes to the department that the lab is in, and 1/3 to the inventors themselves. [1] https://www.elsevier.com/about/policies/copyright https://www.elsevier.com/about/policies/copyright, for example