Yesterday, ENS petitioned to challenge the validity of UD’s patent. As I mentioned in a Blockworks article from earlier this year on the issue, ENS appears to be asserting that the invention in the UD patent was not new since ENS created this earlier.

Yesterday, ENS petitioned to challenge the validity of UD’s patent. As I mentioned in a Blockworks article from earlier this year on the issue, ENS appears to be asserting that the invention in the UD patent was not new since ENS created this earlier. 

https://blockworks.co/news/crypto-patents-open-source-ethos

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Reading between the lines, it appears @ensdomains may be concerned that if the patent is valid, UD could try to assert it against @ensdomains