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Pleading Implied License as an Affirmative Defense to Patent Infringement

An implied license is an affirmative defense to patent infringement. Because the defense is, by definition, highly fact-specific, it is not always clear what allegations are required to adequately plead the implied license defense. However, requirements for pleading the defense, e.g., under an estoppel theory, are not unduly onerous.  The court’s denial of a motion […]

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When Is a Covenant Not to Sue Like a Patent License?

Although parties often go to great pains to distinguish covenants not to sue from patent licenses, those two legal constructs may not be treated any differently by the courts. For example, in Innovus Prime, LLC v. Panasonic Corp. & Panasonic Corp. of N. Am., Inc., No. C-12-00660-RMW (N.D. Cal. July 2, 2013), the court accepted […]

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