A small U.S. firm named Lepton Computing LLC has thrown down the gauntlet against Samsung Electronics, filing a sweeping patent suit that targets the heart of the Korean giant’s foldable phone empire. The complaint, lodged on April 23, 2026, in the U.S. District Court for the Eastern District of Texas—docketed as 2:2026cv00338 —accuses Samsung of infringing nine patents essential to modern foldables. Galaxy Z Fold, Z Flip, even the nascent TriFold prototypes. All in the crosshairs. Lepton wants more than money. It demands a permanent injunction. A full stop to U.S. sales of these devices. Plus damages, royalties, and triple penalties for what it calls willful copying. The patents cover everything from hinges that endure endless bends to software that flips apps between screens, sensors packed into razor-thin spaces, magnets for precise alignment. Boom. Core tech that makes foldables work. But here’s the rub.…