On Tuesday, Google LLC of Alphabet (NASDAQ:GOOGL) successfully persuaded a U.S. appellate court to overturn a Texas jury’s $20 million infringement judgement against the corporation by invalidating three anti-malware patents at issue.

Alfonso Cioffi and Allen Rozman’s patents were deemed invalid by the U.S. Court of Appeals for the Federal Circuit because they incorporated innovations that were not present in an earlier edition.

The decision was applauded, according to Google representative José Castada. The inventors’ representatives did not immediately answer a request for comment.

In 2013, Cioffi and the daughters of the late Rozman filed a lawsuit against Google in an East Texas federal court, claiming that Chrome’s anti-malware features violated their patents for a system that stops malware from accessing important files on a computer.

A jury found that Google violated the patents in 2017 and awarded the plaintiffs $20 million in addition to ongoing payments, which according to the plaintiff’s attorney at the time, were anticipated to reach around $7 million year for the following nine years.

However, the Federal Circuit declared all of the patents invalid on Tuesday. Three patents that were previously issued for anti-malware software were reissued. The unanimous three-judge panel found that federal law required the new patents to cover the same idea as the original patent.

According to the appeals court, the new patents described web browser-specific technology that was absent from the original patent.

The case is Cioffi v. Google LLC, U.S. Court of Appeals for the Federal Circuit, No. 18-1049.