Question

The closely guarded formula for making soft drinks is an example of what type of ip

Answer 1

Coca Cola has the record for keeping their Intellectual Property of the Coca Cola recipe a secret for the longest time in the world. Even's Pepsi's recipe was different and they did not exactly copy Coca Coal. However, in terms of Intellectual Property, the recipe is known as a 'Trade Secret'
This is not like a trademark, which it also has, or a Patent, which it bought out a few in the past

Answer 2

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A trade secret is a formula, practice, process, design, instrument, pattern, commercial method, or compilation of information not generally known or reasonably ascertainable by others by which a business can obtain an economic advantage over competitors or customers.
$\red{Coca\:cola}$---formula for Coca-Cola could perhaps be the world’s most famous trade secret. Until recent times, it was kept locked in a bank vault that can be opened only by a resolution of the Coca-Cola Company’s Board of Directors.
Hope it'll help
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