The Defendants have drafted a schedule to have a Markman Hearing sooner rather than later. From Doc 189:

Despite the difficulties that necessarily arise when trying to obtain agreement among nearly 30 Defendants, many of whom are competitors, as well as Plaintiff's recent addition to this case of yet another patent, as part of its proposed Amended Complaint, Defendants and their counsel have worked diligently to craft an efficient schedule that takes into account the Court's desire to address claim construction issues first -- before the parties undertake expensive discovery and, particularly, e-discovery.