Facebook and Zynga users who sued over the companies allegedly disclosing their identities and other online activities failed to revive lawsuits on appeal after they were dismissed in 2011.
The 9th U.S. Circuit Court of Appeals also revived breach of contract claims under state law against the social media website over the information disclosures in a separate ruling, according to Reuters.
Facebook and Zynga users that filed separate class action lawsuits against the two companies back in 2010 that have since been consolidated on appeal.
Court filings show that the plaintiffs claimed when they clicked on a Zynga game or a Facebook ad, advertisers and other third parties received their Facebook page address and IDS.
A unanimous three-judge 9th Circuit panel ruled today, May 8 that the plaintiffs could not bring civil wiretap claims against the two companies
The panel came to their decision because the information supposedly disclosed to advertisers failed to as the "contents of a communication" under the law, according to Reuters.
Facebook and Zynga have not commented publically yet.
The plaintiffs can pursue allegations that the information disclosure violated Facebook privacy policies, which all Facebook users are required to endorse, according to a court ruling.
Kassra Nassiri, an attorney for plaintiffs suing Facebook, said the company's network's "trove of user information" is vital to how the social networking site makes money.
"Now we're going to get our chance to show exactly why Facebook breached its privacy policy, and what the value was to Facebook," Nassiri said, according to Reuters.
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