S1983
Trial court when denying qualified immunity must address all theories of the claim.
http://media.ca1.uscourts.gov/pdf.opinions/14-1470U-01A.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Not written by a barrister. The name was thought up by a second-year American law student sitting in a coffeehouse in Manhattan. Neither an authoritative statement of the law nor legal advice.
Don't rely. Quick work.