Tag Archives | obviousness

Arguments of Impermissible Change in the Principle of Operation in Ex Parte PTAB Decisions

In roughly the last month, the PTAB has decided 41 ex parte appeals involving arguments that the proposed modification in an obviousness rejection impermissibly changes the principle of operation of the primary reference. By way of background, this type of argument, including caselaw, is outlined in MPEP §2143.01 IV. Of the 41 recent decisions, only […]

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Patent Obviousness and Reasonable Expectation of Success

The Federal Circuit has (mostly) sustained the PTAB’s findings that claims of US Patent No. 7,433,483 are obvious over prior art, explaining that obviousness under 35 USC § 103 required, in essence, a showing that the proposed combination of references would result in an improvement, even if not the best possible improvement. Slot Speaker Technologies, […]

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§ 102(b) On-Sale Bar Combined with § 103 Prior Art Invalidates Software Patent Claims as Obvious

Software claims directed to a client-server system were held invalid as obvious under 35 U.S.C. § 103(a) based on the combination of a reference that qualified as prior art by having been on sale under 35 U.S.C. § 102(b), and references that qualified as prior art under Section 103.  eBay Inc. v. PartsRiver, Inc., Nos. […]

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