Here is an update on recent en banc activity at the Federal Circuit in patent cases. Since our last update, one new petition for en banc rehearing was filed in a patent case raising questions related to eligibility. One new response was filed in response to a petition raising a question related to unfair competition claims. Finally, the Federal Circuit denied two petitions for en banc rehearing that raised questions related to the written description requirement and venue, respectively. Here are the details.