William Stein wrote: > Let's get real about this math software patent discussion. > Mathematica, Magma, and Maple have no software patents. Matlab, on > the other hand... > > This link gives *97* (!) registered patents by Mathworks (makers of MATLAB): > > http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=0&f=S&l=50&TERM1=mathworks&FIELD1=ASNM&co1=AND&TERM2=&FIELD2=&d=PTXT > > (click next to see 51-97). They have patents like: > > * System and method for distributing system tests in parallel > computing environments > * Programming language type system with automatic conversions > * Function values in computer programming languages having dynamic > types and overloading > > In contrast, Wolfram Research has exactly one patent: "Method and > system for generating signaling tone sequences" (see > http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=%22wolfram+research%22.ASNM.&OS=AN/) > > Maple has no software patents. > > Let's put Mathworks out of business. > > -- William >
I believe some companies try to impress others by having a large number of patents. I've never done any analysis of it myself, but I understand from others that Japanese companies in particular like to do this. It impresses potential customers and potential investors. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
