English to Spanish Law/Patents Law (general) US Federal Law

F. Retaliation Claims

A retaliation claim must allege the following: (1) that Plaintiff exercised a constitutional right; (2)
that prison officials’ behavior was in retaliation for Plaintiff having exercised that right; and (3) that prison
officials’ actions either did not advance legitimate correctional goals or were not narrowly tailored to meet
those goals. Rizzo v. Dawson, 778 F.2d 527, 532 (9th Cir.1985). A retaliation claim may proceed
without any showing of harm other than a **chilling effect** of First Amendment rights. Gomez v. Vernon,
255 F.3d 1118, 1127 (9th Cir. 2001) (citing Hines v. Gomez, 108 F.3d 265 (9th Cir. 1997)).

I found what "chilling effect" means (http://en.wikipedia.org/wiki/Chilling_effect_(term)), but I can't come up with the right phrasing in Spanish.
¿Efecto de censura? ¿Intento de censura?
Thanks for your help.