[bramblerose]

Unless the design of the object is copyrightable (which it often is!) in which case the photo is a derivative work.

[otterley]

The design of an object is not copyrightable in the USA, at least. There are design patents, but taking a photo of an object that has a patented design is not a derivative work. Copyright and patent are different IP subject areas entirely.

(IAAL, not legal advice.)