Tag Archives: Alcon

In Alcon Research, Ltd. v. Apotex Inc., the Federal Circuit held that most claims of Alcon’s patent were obvious in view of prior art that suggested the use of the recited active agent to treat the recited condition, but not by the recited mechanism of action, because the prior art used a concentration of active agent that overlapped with the concentration recited in several dependent claims. Two claims that recited a specific concentration outside the range disclosed in the prior art and used in Alcon’s commercial product were upheld, due in part to the evidence of commercial success.

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