(BusinessInsider) Larry Klayman finally can put one in the win column.

After years of unsuccessfully mounting various legal challenges to the federal government — and, in one case, suing his own mother — the conservative legal activist scored what has the potential to be a major legal victory over National Security Agency surveillance.

Get the autobiography of the man who brought the NSA to its knees

And in doing so, he beat to the punch a slew of established civil liberties groups that have been mounting challenges to the NSA for years.

Note: Read our discussion guidelines before commenting.