§ symbol meaning in law
The mathematical symbol for pi (far left) and the two shorthand symbols signify the Plaintiff. The Greek letter Delta, a triangle, is a shorthand symbol for the Defendant. This is the section symbol and is also known as the double S It refers to a section of a document, such as statutes, within case law documents.
This sign means section, as in a section of a document, text, or legal code. For more, have a look at Wikipedia: Section sign.