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In LG Electronics Inc. v. Immervision, Inc., the Federal Circuit held that an obvious error in a prior art reference was not considered a teaching. The court explained that a person of ordinary skill in the art (POSITA) would...more
LG Electronics Inc. v. Immervision, Inc., Appeal Nos. 2021-2037, -2038 (Fed. Cir. 2022) In this week’s Case of the Week, the Federal Circuit considered how to treat a prior art reference in which the alleged teaching of...more
Do you remember obviousness before KSR v. Teleflex? To invalidate, the rule went, one must find an express rationale for combining references (a teaching, suggestion or motivation). ...more
Addressing the requirements for proof of prior art in inter partes review (IPR), the Patent Trial and Appeal Board (PTAB or Board) found that the petitioner failed to establish that certain documents cited qualified as...more