ADT sues Ring over virtually indistinguishable blue octagon design

Home security company ADT is suing Amazon subsidiary Ring, claiming its recent designs are a “brazen” copy of ADT’s octagonal blue symbol. The firm cites Ring’s blue octagonal outdoor siren as a recent example. In the filing, ADT lists a dozen of its trademark registrations dating back to the late 90s that feature a combination of blue and octagonal designs, and claims millions of its customers display this symbol to show that their homes use ADT’s security systems.

ADT claims Ring’s use of blue octagons risks confusing customers and misleading them into thinking the two companies are affiliated or associated. In its filing, ADT says “the striking similarity” is evidence that Ring is trying “to reap the benefit of the goodwill associated...

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