What did the court decide in Bell Atlantic Corp. v. Twombly?
Answered for: US
Factual allegations must be enough to raise a right to relief above the speculative level
The Court replaced Conley's 'no set of facts' language with a plausibility requirement for federal complaints.
This answer is true in US and nowhere else on this site. Another jurisdiction is another answer, or an honest gap: see what has been read for US.