Why LEGO’s 1978-Expired Patent Didn’t End Its Brick Monopoly
LEGO’s original brick patent lapsed in 1978, yet copies still can’t match it. See how EU design rights (up to 25 years), trademarks, and new robotics patents keep it protected.

LEGO’s original brick patent lapsed in 1978, yet copies still can’t match it. See how EU design rights (up to 25 years), trademarks, and new robotics patents keep it protected.