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Following all of the latest IP developments in life sciences.

 

Lessons on Inherency Challenges After Hospira v. Fresenius Kabi USA

The Federal Circuit’s recent decision in Hospira v. Fresenius Kabi USA is the latest to show how the court handles allegations of inherency in life sciences patent litigation. Jonathan Roses dissects the case, addresses whether the court created a new burden-shifting framework for such challenges and summarizes lessons that parties on both sides on an inherency argument can take away from the decision. To read the full article, which was published in Westlaw Journal, click here.

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Genentech, Inc. v. Hospira, Inc. – Overlapping Temperature Ranges Can Leave a Patentee Out in the Cold

When can a prior art reference that discloses a protein purification step at room temperature render invalid a patent claim with a temperature range from about 10°C to about 18°C? Answer: When that prior art reference defines room temperature to include 18°C (which is about 64.4°F). The Federal Circuit reiterated, in Genentech, Inc. v. Hospira, Inc., that even a small overlap at the extremes of a range can invalidate claims that incorporate that range, absent a showing that the particular range is critical or that the parameter is not a result-effective variable.

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