July 13, 2017 –– District Judge John A. Kronstadt denied Defendant Inogen, Inc.’s motion to stay litigation pending inter partes review because the stage of the litigation and prejudice to Plaintiff Separation Design Group IP Holdings, LLC weighed against a stay. This lawsuit involves U.S. Patent Nos. 8,894,751 (“’751 patent”) and 9,199,055 (“’055 patent”) directed towards lightweight, portable oxygen concentrators. The case, captioned Separation Design Group IP Holdings LLC v. Inogen, Inc., 2-15-cv-08323, is pending in the United States District Court for the Central District of California.
By: Madhundra Sivakumar