PACER records are public, even that they cost money to access. So are most of the records on Lexis and Westlaw. Westlaw has tried to claim a copyright in certain annotations on the court documents, but they have no copyright in the text of the court records themselves.[1]

[1] Matthew Bender & Co. v. West Publishing Co., 158 F.3d 693 (2d Cir. 1998) - http://bulk.resource.org/courts.gov/c/F3/158/158.F3d.693.97-...