October 25, 2016 – On October 21, 2016 Judge John A. Kronstadt of the United States District Court of the Central District of California construed claims for the patent infringement action between Plaintiff Separation Design Group IP Holdings, LLC and Defendant Inogen Inc., concerning U.S. Patent Nos. 8,894,751 and 9,199,055 which relate to lightweight, portable oxygen concentrators. The court construed the following disputed terms: portable oxygen concentrator, removable module, adsorbent bed, molecular sieve material, substantially spherical shape, product flow rate, manifold to control gas flow into and out of said removable module, removable battery cell, capable of producing up to 3 liters of oxygen per minute, replaceable by a user.
This action remains pending and is captioned, Separation Design Group IP Holdings, LLC v. Inogen Inc., 15-CV-08323 (C.D. Cal.).
By: Giancarlo L. Scaccia