CARLSBAD, Calif., Feb. 11, 2019 (GLOBE NEWSWIRE) — Alphatec Holdings, Inc. (“ATEC” or “the Company”) (Nasdaq: ATEC) today announced several favorable developments in its ongoing patent litigation with NuVasive, Inc. (Nasdaq: NUVA). On February 6, 2019, the United States District Court for the Southern District of California (the “Court”) granted a stay in the patent …