Does anyone know if this patent was ever asserted by AT&T? (Of course, it's long... | Hacker News

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		Cupertino95014 on Nov 11, 2022 \| parent \| context \| favorite \| on: Ken Thompson's NFA regex patent (1971) Does anyone know if this patent was ever asserted by AT&T? (Of course, it's long expired.)

bodhiandphysics on Nov 12, 2022 [–]

He did it before he was at bell labs

Cupertino95014 on Nov 12, 2022 | [–]

The patent's assigned to AT&T, though. If that was in effect before it expired, A&T could have asserted it.

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