You don't need any prior legal experience or knowledge to apply for a JD program and complete it. You need an undergraduate law degree or a JD before you can be accepted into an LLM program.

Can I pursue LLM without LLB?

Masters degree from open system without completing LLB will not be designated as LLM. As per the new rules, a Master's degree in any specialized branch of law that is offered in an open system will not be considered as LLM degree if the student has not completed LLB/BA LLB.

Do you need a law degree for an LLM?

The most important part of your application to an LL. M. program is your degree. Specifically, almost all law schools require that you hold a professional law degree, such as a JD or an LL.