A trade name can be the legal name of a company or may be a name under which it does business even though not actually incorporated under that name. For reasons that are primarily historical, trade names themselves are not federally registered, although may be registered by states.

Grand Rapids, MI intellectual property attorney Terry Linn discusses Uniloc v. Microsoft. A “rule of thumb” used by accounting experts for many years to approximate royalties in patent cases is no longer admissible in the courtroom.