From the FAQ page of the site:

How can you share these patterns? What about copyright?

I am in the UK and here knitting patterns fall under industrial design copyright law, as they are a set of instructions to make something and not prose. Industrial design is covered by copyright for 25 years, so right now in 2023, anything from pre 1998 is free of copyright. Knitting magazines are slightly different as they contain more than just instructions, so I’m cautious and only post pre- 1953 magazines.

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