Case Summary:

Netflix, Inc. petitioned for inter partes review of DivX, LLC’s patents relating to streaming video technology, including features such as trick‑play functionality (fast‑forward, rewind, and scene skipping) and handling encrypted multimedia content on playback devices. In IPR proceedings, the Patent Trial and Appeal Board rejected Netflix’s invalidity challenges, finding, among other things, that Netflix had not adequately shown certain prior‑art references were analogous and that Netflix failed to carry its burden on key claim‑construction and obviousness arguments, prompting Netflix to appeal those PTAB decisions to the U.S. Court of Appeals for the Federal Circuit in Netflix, Inc. v. DivX, LLC, No. 24‑1541, where the January 12, 2026 oral argument concerns whether the Board erred in its treatment of Netflix’s theories and t ...