exclusivity
noun [ U ]
uk/ˌekskluːˈsɪvɪti/ us/-əṱi/the state of being the only person, group of people, or organization that is allowed to have or do something:
grant/lose/retain exclusivity (on sth) The company which developed the hardware was granted one-year exclusivity on the retails sales.
Astra's global market exclusivity on the drug ended last year.
an exclusivity agreement/clause/deal
(also exclusiveness, /ɪkˈskluːsɪvnəs/)
the state of being expensive and of a high quality, and therefore only for people who are rich or of a high social class:
If a product lowers its quality it will not retain its exclusivity as a luxury brand.
an agreement not to speak to other possible buyers while your business is being bought by a particular person or company:
The two companies have an agreed period of exclusivity which prevents either seeking alternative buyers before the end of January 2011.