Universal Cipher (formerly Cumberland Systems) patent challenged as likely invalid

On December 30, Unified filed a petition for inter partes review (IPR) against U.S. Patent 8,023,647 owned by Universal Cipher LLC and formerly asserted by Cumberland Systems LLC (owned by well-known NPE Bradley Liddle).  The ‘647 patent, directed to techniques for encrypting data, has been asserted against over 20 companies including Verizon, AT&T, JP Morgan, and Lockheed Martin

 View all district court litigation for the ‘647 patent.  To read the petition and view the entire case proceeding, see our PTAB Portal.