Lepton Sues Samsung Over Foldable Phone Patents

Lepton Computing LLC, a U.S.-based firm, filed a patent infringement lawsuit against Samsung Electronics Co. and Samsung Electronics America Inc. on April 23 in the U.S. District Court for the Eastern District of Texas, case number 2:26-cv-00338. The complaint alleges that Samsung's Galaxy Z Fold and Z Flip devices starting from the third generations, as well as the upcoming Galaxy Z TriFold, infringe on nine Lepton patents related to foldable smartphone technology.

The patents in question, which include U.S. numbers 11,048,299; 11,048,300; 11,086,361; 11,093,002; 11,209,863; 11,520,377; 11,520,378; 11,693,450; and 12,140,998, cover key elements such as hinge mechanisms with plate stops, flexible display protections, principal screen arrangements, and software features like app continuity that enable seamless transitions between inner and outer screens during folding and unfolding. Additional claims involve the integration of internal components, including sensors, magnets, cameras, and speakers, within the constrained space of a folding device.

Lepton traces its work on foldable technology back to 2008, when founder Stephen Delaporte began developing prototypes, including the...