2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/201381We show that there exist conformally invariant theories for all spins in d=4 de Sitter space, namely the partially massless models with higher derivative gauge invariance under a scalar gauge parameter. This extends the catalog from the two known gauge models -- Maxwell and partially massless spin 2 -- to all spins.10 pages LatexHigh Energy Physics - TheoryConformal Invariance of Partially Massless Higher Spinstext