GIF uses LZW compression which was patented by Unisys. | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		jj999 on Dec 10, 2023 \| parent \| context \| favorite \| on: CPNG, a backwards compatible fork of PNG GIF uses LZW compression which was patented by Unisys.

sroussey on Dec 11, 2023 [–]

Patents can build on other patents.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact