The First Amendment protects the right to speak anonymously on the Internet, but that right is not absolute. Defamatory statements, in particular, are not protected. Freedom of speech does not include the right to commit libel or other torts anonymously. As demonstrated by a new case filed in Henrico County Circuit Court, however, not everyone agrees on the extent to which an online review can go before a poster’s identity must be revealed.
Armando Soto is a plastic surgeon in Orlando, Florida. A former patient, unhappy with the results of a breast augmentation procedure, posted negative comments about Dr. Soto on www.RateMDs.com. The comments included statements that scars were “horrific,” “frightening and unnecessary,” that breasts were “uneven,” that Dr. Soto charged for procedures that he did not perform, and that he is not skilled or caring.
The online comments were posted anonymously, so Dr. Soto filed a “John Doe” action and subpoenaed Internet provider Comcast for records revealing his critic’s identity. The anonymous reviewer hired a lawyer and moved to
quash the subpoena to protect his identity. (Apparently the allegations are that “John” received breast augmentation surgery, which is why I’m referring to “his” identity).
The Virginia Defamation Law Blog



vicious, they had to move out of their town and Mrs. Lesher lost her business, a day spa. Mr. Lesher lost substantial business as well. 

plaintiff up to scorn, hatred, ridicule or contempt “in the minds of any considerable and respectable segment in the community.” In other words, a statement will not be considered defamatory if only a very small group of persons would view it as derogatory.