⚖ Oral Arguments, with Context

The Federal Circuit reviews Jefferson Street Holdings' challenge to patent rejections involving a protective phone case. The design uses lower side edges alongside higher sections, intended to preserve screen access while protecting the device. The Patent Office reexamined the issued patent against earlier case designs, and its appeal board upheld the rejections now challenged in court. A patent claim defines the features for which protection is sought. Here, much turns on whether a height that continuously spans a side must stay constant, or may curve while never dropping to zero. The lawyers will compare differently worded claims, including dependent claims that add restrictions to a broader claim. That is claim differentiation: differences between claims can help determine their scope. Anticipation asks whether one earlier reference already disclosed every claimed feature in the required arrangement. Obviousness asks whether the claimed arrangement, as a whole, would have been an ordinary, predictable choice for someone skilled in the field, in light of earlier designs. The Patent Office will argue that making the side edges straight instead of curved was such a design choice. Jefferson Street will insist that the geometry has functional significance, combining protection with screen access, and that the office has not adequately justified the change. Winning the wording dispute alone may not defeat the separate obviousness grounds.

In re Jefferson Street Holdings LLC (No. 26-1008) — U.S. Court of Appeals for the Federal Circuit, argued November 2, 2026.