Founder and lead developer of Ethereum Name Service (ENS) Nick Johnson is urging blockchain domains company Unstoppable Domains to drop a recently awarded patent or face a lawsuit, according to an open letter shared on X (formerly Twitter). 

In January, Unstoppable Domains was granted its first patent, US11558344, which claims that Braden River Pezeshki, Matthew Everett Gould and Bogdan Gusiev are the inventors of a technology that uses blockchain technology to determine domains. The patent request was filed with the United States Patent and Trademark Office in 2021. 

According to Johnson, the patent is “based entirely on innovations that ENS developed and contains no novel innovations…

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