Re: IRAF package license
Justin Pryzby writes:
> I'll mail them today. The UCAR/NCAR routines are:
> "Copyright (C) 1986 by UCAR"
> and the LZW compression routine algorithm, which will be allowed in
> Debian main shortly has:
> Date of Patent: Dec. 10, 1985
> Are the UCAR routines copyright of the type that will expire (this
Rules on expiration are (very!) different for patents and copyrights.
US patents expire 20 years from filing or 17 years from issue,
whichever is later. At least until Disney strikes again, US
copyrights on works for hire (the UCAR/NCAR routines seem to be such)
expire 95 years from publication or 120 years from creation, whichever
is earlier; copyrights owned by a natural person (or natural persons)
expire 70 years after the last surviving author's death. In every
case, copyrights expire on January 1.
- The LZW compression patent expired last year; I think the delay
for main was due to similar non-US patents.