Featured / Panel Activity

Update on Important Panel Activity

Here is an update on activity in cases pending before panels of the Federal Circuit where the cases involve at least one amicus brief. We keep track of these cases in the “Other Cases” section of our blog. Today, with respect to these cases, we highlight two new opinions, four recent oral arguments, and five upcoming oral arguments. Here are the details.

Read More
Argument Recap / Featured / Panel Activity

Argument Recap – REGENXBIO Inc. v. Sarepta Therapeutics, Inc.

Last week, the Federal Circuit heard oral argument in a patent case we have been following because it attracted three amicus briefs. The case, REGENXBIO Inc. v. Sarepta Therapeutics, Inc., raises questions relating to eligibility of a genetically engineered cultured host cell that contains nucleic acid sequences from at least two different organisms spliced together into a single molecule. This case asks whether a district court erred in holding patent claims ineligible because the inventors merely “combined natural products and put them in a host cell.” Judges Dyk, Hughes, and Stoll heard the oral argument. This is our argument recap.

Read More
Court Week / Featured

Court Week – October 2025 – What You Need to Know

This week is Court Week at the Federal Circuit. The court will convene 12 panels to consider 67 cases. Of the 67 cases, the court will hear oral argument in 44. The Federal Circuit provides access to live audio of these arguments via the Federal Circuit’s YouTube channel. This month, four cases scheduled for oral argument attracted amicus briefs. Here’s what you need to know about these four cases.

Read More
Argument Preview

Argument Preview – REGENXBIO Inc. v. Sarepta Therapeutics, Inc.

As we reported yesterday, four cases being argued at the Federal Circuit in October attracted amicus briefs. One of these cases is REGENXBIO Inc. v. Sarepta Therapeutics, Inc. In this patent case, REGENXBIO Inc. and the Trustees of The University of Pennsylvania appeal a district court’s grant of summary judgment of ineligibility. This is our argument preview.

Read More
Panel Activity

Update on Important Panel Activity

Here is an update on activity in cases pending before panels of the Federal Circuit where the case involves at least one amicus brief. We keep track of these cases in the “Other Cases” section of our blog. Today with respect to these cases we highlight two new response briefs, one in a case raising questions related to whether a district court erred in denying a motion to intervene and to unseal court records and another in a patent case involving a challenge to a district court’s injunction requiring the delisting of patents from the Food and Drug Administration’s Orange Book; two new reply briefs, one in a patent case raising questions related to eligibility, claim construction, and infringement and another in a patent case raising questions related to eligibility; and five new amicus briefs in the patent case challenging the delisting of patents from the Orange Book. Here are the details.

Read More
Panel Activity

Update on Important Panel Activity

Here is an update on activity in cases pending before panels of the Federal Circuit where the case involves at least one amicus brief. We keep track of these cases in the “Other Cases” section of our blog. Today with respect to these cases we highlight four recent opinions, four new cases, new briefing in three cases, and a recent oral argument. Here are the details.

Read More
Panel Activity

Update on Important Panel Activity

Here is an update on activity in cases pending before panels of the Federal Circuit where the cases involve at least one amicus brief. We keep track of these cases in the “Other Cases” section of our blog. Today with respect to these cases we highlight one new opinion in a veterans case and four new cases that attracted amicus briefs: a veterans case and three patent cases. We also highlight new briefing in two patent cases as well as recent oral arguments in a trademark case and veterans case. Here are the details.

Read More