The Federal Circuit reversed a PTAB obviousness finding because the petitioner showed the prior art's pieces existed but never explained why a skilled artisan would assemble them that way.
The Federal Circuit reversed a PTAB win for the patentee, holding that a claimed range overlapping the prior art creates a presumption of obviousness that applies in inter partes review just as in court.
The Federal Circuit vacated an obviousness judgment because the trial court declared the claims obvious first and only then asked whether objective indicia could rescue them.
The Supreme Court replaced the Federal Circuit's mechanical teaching-suggestion-motivation test with a flexible, common-sense obviousness inquiry that still governs every Section 103 dispute today.
