CORRECTED: Judge Trims Arguments Over AT&T Mobile Center In Patent Row

Law360, Los Angeles (November 25, 2013, 10:44 PM EST) -- A Texas federal judge on Monday limited the arguments TracBeam LLC can use to prove AT&T Inc. infringes on its patent for mobile locator systems with three of its four E911 mobile centers, but denied AT&T’s attempts to escape the suit on those terms.

U.S. District Judge Leonard Davis found that AT&T’s E911 mobile centers, which alert emergency services of the origination location of a 911 call, didn’t perform what’s called a sanity check, in which the software runs a test to determine if what is...
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