Amazon’s Ring LLC is being sued for allegedly copying ADT's trademarked blue octagon symbol. Bloomberg reports that the home security company wants Ring, a provider of smart home security ...

ADT said it’s been using the blue octagon in lawn signs and window stickers for decades, and that they are displayed by some 6.5 million customers as a sort of “keep out” warning to burglars.

The firm cites that Ring's blue octagon outdoor siren is an example ... ADT claims that millions of its customers display this symbol to show that their homes use their security systems.

ADT on Tuesday announced that it has filed a lawsuit against Ring alleging that the Amazon-owned company infringed upon its trademark when it began using a blue octagon mark for its security ...

ADT Inc, the largest home-security company in the US, has filed a lawsuit accusing Amazon.com Inc’s Ring service of copying its trademarked blue octagon symbol “to tout a reputation for trust ...