Library (and law firm) database (and eBook) licensing can be tricky, to put it mildly.
There are hundreds, thousands even, of fee-based subscription databases used by lawyers, legal researchers, librarians, historians, etc. If you need to negotiate and manage a database contract, here is a useful primer, and much more:
The American Association of Law Libraries (AALL) has posted the following Code of Best Practices for Licensing Electronic Resources guidelines on its website, with easy access for everyone, not just AALL members: