Utility Patent Cases
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Coverage since November 3, 1994

Utility Patent

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Kaufman v. Microsoft Corp. — Federal Circuit Upholds $7 Million Patent Damages Verdict, Addresses Claim Construction Preservation and Prejudgment Interest

The Federal Circuit affirmed a $7 million patent infringement damages verdict against Microsoft, holding that claim construction challenges must be preserved in a party’s opening brief to be raised on appeal, and reversed the denial of prejudgment interest as an abuse of discretion.

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Google LLC v. IPA Technologies Inc. — Federal Circuit Vacates IPR Decision for Failure to Resolve Conflicting Testimony on Prior Art Inventorship

The Federal Circuit vacated a PTAB final written decision for failing to resolve conflicting expert testimony about whether a third party qualified as a joint inventor of a prior art reference, holding that the Board cannot deem all witnesses credible when their accounts are mutually contradictory.

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Auris Health, Inc. v. Intuitive Surgical Operations — Federal Circuit Holds General Industry Skepticism Cannot Negate Motivation to Combine

The Federal Circuit reversed the PTAB’s finding of non-obviousness, holding that generalized industry skepticism about robotic surgery cannot alone overcome a motivation to combine prior art references — the skepticism must target the specific problem addressed by the claimed invention.

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Genuine Enabling Technology LLC v. Nintendo Co., Ltd. — Federal Circuit Reverses Claim Construction, Holds Extrinsic Evidence Cannot Create Scope Limit Not in Intrinsic Record

The Federal Circuit reversed a claim construction that relied on extrinsic expert testimony to impose a specific frequency threshold on the term “input signal,” holding that extrinsic evidence cannot establish a claim scope limit that has no basis in the patent’s intrinsic record.

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