Electronic Frontier Foundation has announced today it is assisting two human rights organizations, an activist for sex workers, and a massage therapist in litigation to get an injunction against FOSTA, the Allow States and Victims to Fight Sex Trafficking Act, main link here. The case is Woodhull Freedom Foundation vs. United States. The PDF for the filing in Washington DC is here. Woodhull's link is here.
Update: July 1
Jon Brodkin has a story in Ars Technica about the lawsuit.
A site called "Erotic Review" blocked all access from the U.S. because of uncertainties created by the law (Brodkin story).
Update: July 17
EFF reports that the hearing will take place at 4 PM July 19, address in the article.
Woodhull et al offers a detailed explanation of the legal complaint and plea for injunction here.