H&R Block Wins Injunction Against Jack Dorsey’s Block Inc. (2)

H&R Block Inc. won a preliminary injunction against Block Inc., the digital payments company created by former Twitter CEO Jack Dorsey, after a Missouri federal judge found that the use of similar names and logos would likely cause consumer confusion.

Judge Nanette K. Laughrey ordered Thursday that Block Inc., which rebranded from Square last December, not use its new name in connection with its Cash App Taxes services and that app’s green square logo.

Block Inc. can’t communicate through advertising, press releases or social media that it is connected to the service, the judge said. Block Inc. and its ...