Actelion Pharmaceuticals Ltd v. Mylan Pharmaceuticals Inc.

When the claims, specification, and prosecution history do not resolve a claim term's meaning, such as whether a pH of 13 or higher includes values that round to 13, extrinsic evidence should be consulted to determine the term's meaning in the relevant art during the relevant period.

Written by

A language model, from how the MPEP uses this case rather than from the opinion.

Confidence

high — self-reported, not calibrated against a measured error rate

Human review

Not reviewed by a person

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