There may be ownership of: (1) all inanimate things which are capable of appropriation or of manual delivery; (2) all domestic animals; (3) all obligations; (4) such products of labor or skill as the composition of an author, the goodwill of a business, trademarks, and signs; and (5) rights created or granted by statute.
In What Things Property Interests May Exist
Mont. Code Ann. § 70-1-104, under General Provisions.
Mont. Code Ann. § 70-1-104