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I know there are a lot debate about it. Even in USA, a country very well know to be patent friend, have not sure if softwares are patentable.

But how is the interpretation to allow software patents?

I am "assuming" here that:

  1. Software is a computer program.
  2. Computer program is a coded (set of) algorithm which a "computer" can execute to perform a specified task.
  3. An algorithm is a computational process which can be defined by a Turing machine

Additionally, we can "consider":

  1. A computer is a restricted type of machine, a "discrete deterministic device" that can blindly follow some instructions.
  2. Any computer program can be embedded directly in computer hardware. Also, a computer program can be coded in any general purpose language such as general purpose hardware description language.
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This is a complex and controversial topic. The Supreme Court is currently co discerning a case that might clarify things. –  George White Apr 23 at 15:50
One thing for sure, software is covered by copyright. –  henke37 Aug 11 at 19:06

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