A more thorough explanation:

in gremio juris (in gree-mee-oh joor-is), adv. & adj. [Law Latin] Civil & Scots law. In the bosom of the right. This phrase describes a clause formerly inserted in an instrument to bind holders to its terms.

In gremio juris is a Latin phrase used in Civil and Scots law. It means "in the bosom of the right." This phrase is used to describe a clause that was previously inserted in a legal document to bind holders to its terms.

An example of in gremio juris would be a clause in a contract that states that all parties must agree to arbitration in the event of a dispute. This clause is binding and cannot be changed without the agreement of all parties involved.

Another example would be a clause in a will that states that all assets must be distributed equally among the beneficiaries. This clause is also binding and cannot be changed without the agreement of all parties involved.

These examples illustrate how in gremio juris is used to describe a clause that is binding and cannot be changed without the agreement of all parties involved.