Inventor Sues AT&T over Audio Signal Compression in Mobile Devices
- October 24, 2011
Dr. Hark C. Chan [NPE/INV] filed suit against AT&T over a patent related to digital audio signal compression and targeting mobile devices. Earlier this month, Chan filed suit against Nextel and Sprint Spectrum. 10/21, Western District of Washington, 2:2011cv01766.
Access to the full article is currently available to RPX members only. Please contact us if you need further information.