I am currently negotiating the language of a license agreement to use another company's registered trademark. The agreement uses the term exclusive license but also states that the licensor may grant additional licenses to "all other products". My product is a liquid nutritional supplement/drink designed to promote sleep. I want to prevent any other company from marketing any liquid ingest able product of the same name whether they call it a drink, beverage, soft drink, nutritional supplement etc.... How specific do I need to word the description of licensed products? Thanks!