trademarks and logos - used to distinguish goods and services from those of similar traders e.g. names, words, slogans, designs, symbols, numbers, phrases, letters, sounds, smells etc. trademarks can be identified by the abbreviation 'TM'. takes between 6-18 month to register and gives exclusive legal rights o use, licence or sell the trademark within the country. lasts for 10 years but can be revoked if not used in 5 years.