Copyright holders can claim damages for copyright infringements that occurred years or even decades ago, the U.S. Supreme Court has clarified. In a majority decision, the Court rejected the lower court’s argument that there’s a three-year time limit for damages. Older claims are fair game, as long as the lawsuit is filed within three years of ‘discovering’ an infringement.
A copy of the Supreme Court Decision, written by Justice Elena Kagan, is available here
You’re missing the most important element. Disgustingly large pile of money that you can use to drag out a suit until the other end folds.
Just send letters en masses to smaller players who can’t afford lawyers. Use those payments to hire lawyers to go after influencers and the next rung up… Use those payouts to hire even more lawyers, etc