Earlier quoted context omitted.
In the US, "typefaces", ie. the shapes of the letters, generally are not. "Fonts", ie. the programs that draw the letters, are copyrighted as software, as something of a workaround. For more reading on the history here Typographica has a succinct overview[0]. [0] https://typographica.org/on-typography/copyright-protection-...
Silly question, so how do type foundries prevent someone from literally copying the TTF, WOFF, EOT files - and then rebrand a font as their own? Will the bits/bytes of a TTF be different if two people produced identically the exact same shape of the letters? EDIT: let me clarify a bit. The GP said that the shape of the letters is not copyrighted in the US. Which implies to me that if Helvetica has the exact shape of…
What stops you from copying any copyright-protected software? Technically, usually, very little (sometimes DRM). But, mostly, its social/economic constraints like your (or your business’) particular tolerance for legal exposure.