It can be API for Oracle or it can be how electronic components are assembled on a ford windscreen wiper https://en.wikipedia.org/wiki/Robert_Kearns The reality is that one person did the hard work (trail and error) while another party commercially benefited with minimal effort.

We need a system that rewards those who experiment & innovate, if anything by Oracle winning this case it further highlights the value in Oracle's IP (promoting innovation and competition).