A. Three Tips for Overcoming U.S. Obviousness Rejections -
1) Argue no PFO first: Always argue down existence of an Examiner-asserted presumption of prima facie obviousness (PFO), before going on to second-step providing PFO-presumption rebuttalevidence, e.g., “secondary considerations” such as unexpected result.
2) Use a selection argument: Map out each step an artisan would have to make to arrive at the claimed invention amongst all the choices available in the cited art with no guidance to make all of the selections to arrive at the claim as a whole.
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