Legal Kits
By this I mean you will need to look very professional in your submissions and pleadings to the courts. They all have their quirks, like “blue backs”, or “exhibit numbers” (the side or the bottom you ask) most of which are mandatory, and damned hard to find at the last minute. So get a supply in, mail order. Here’s a good place:
Mail Order Legal Supplies
You will also need to type on pages with numbered lines, and these days that means computer software that will do this automatically.
Personally, I have always used WordPerfect, the number 2, although of course there are others.