He's against software copyrights (in their current form) but he's not against trade-marks, for example, which are usually included in the vague term "intellectual property".

Stallman repeatedly condemns the use of the term "intellectual property", because it: A) lumps together a bunch of unrelated/dissimilar things (Copyrights, patents, trade marks, trade secrets) and B) because it implies that they are all "property" and should be owned, like property, perpetually.