Collective membership mark is a mark used only by the members of an association, cooperative or other collective organization. A collective organization may include an association, union, cooperative, fraternal society or other organized...
trademark law
(Wex page)
In law, dilution refers to the use of a trademark or trade name in commerce that is sufficiently similar to a famous mark that by association it confuses or diminishes the public's perception of the famous mark. For example, an appliance...
(Wex page)
The functionality doctrine is a rule in trademark law which states that functional product features cannot serve as a trademark. A product feature is considered functional if it is essential to the use or purpose of the product or if it...