Longitude appealed the dismissal by the Northern District of California of its lawsuit against Google for infringement of four patents related to digital image correction. The district court had found the patents ineligible under 35 U.S.C. § 101, a decision the Federal Circuit affirmed. Applying the two-step Alice framework, the court agreed the claims were directed to the abstract idea of adjusting image quality based on the main object, lacking an inventive concept.

Detailed case summary here