FENNER INVESTMENTS, LTD. v. CELLCO PARTNERSHIP (Fed. Cir. 2015) (P) – Statements during prosecution are relevant to claim interpretation even when not relied on by the examiner

A patentee’s statements during prosecution, whether relied on by the examiner or not, are relevant to claim interpretation. Here, for example, statements on the record that a “personal identification number” distinguishes over the prior art by being user- rather than...

LEXINGTON LUMINANCE LLC v. AMAZON.COM INC. (Fed. Cir. 2015) (NP) – Open Markush group may be interpreted as definite closed group when the intrinsic record is reasonably clear

Even an otherwise improper open Markush group may be interpreted as a definite closed group when the intrinsic record is reasonably clear in indicating what the claim intended to cover. Here, for example, a semiconductor substrate claimed as being “selected from the...

IN RE CUOZZO SPEED TECHNOLOGIES, LLC (Fed. Cir. 2015) (P) – PTO’s decision whether to institute Inter Partes Review (IPR) is not appealable to the Federal Circuit

The PTO’s decision whether or not to institute Inter Partes Review (IPR) is not appealable to the Federal Circuit. Here, for example, the Federal Circuit found that it lacked jurisdiction to review the PTO’s decision to institute IPR, even after a final decision....

PAPST LICENSING v. FUJIFILM CORPORATION (Fed. Cir. 2015) (P) – A claim term’s interpretation should not be irrelevant to the invention’s advance over the prior art

It is generally improper to impose requirements on claim terms that are foreign to what the specification describes as the invention’s relevant advance over the prior art. Here, for example, it was found to be improper to require the claimed “virtual” files to be...