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Quantum Blockchain and its patent problems: a reader writes to AIM Regulation

Tom Winnifrith
Tuesday 28 April 2026

A reader flags up that Quantum Blockchain (QBT) appears to be having a few problems with its patent applications in the US. My reading of the most recent setback, which Quantum has yet to respond to via RNS, is that the patent office seems to think that the IP has no distinictive features at all, it is essentially worthless. But maybe I do not really understand what is going on.

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About Tom Winnifrith
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Tom Winnifrith is the editor of TomWinnifrith.com. When he is not harvesting olives in Greece, he is (planning to) raise goats in Wales.
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