A more thorough explanation:

jus praesens

Jus praesens is a legal term that means a right that has been fully acquired and is now vested.

For example, if someone has purchased a property and has completed all the necessary legal procedures, they have a jus praesens to that property. This means that they have a fully acquired right to the property and no one can take it away from them.

Another example is when an employee has completed their probationary period and has been confirmed as a permanent employee. They now have a jus praesens to their job, which means that they have a fully acquired right to their position and cannot be easily terminated.

These examples illustrate the concept of jus praesens, which is a legal term used to describe a right that has been fully acquired and is now vested.