Samsung Cleared by Jury in $4 Billion Chip-Making Patent Lawsuit

Samsung Electronics Co. didn’t infringe Demaray LLC’s semiconductor patents by buying reactors for its semiconductors products at fabrication and research facilities, a Texas jury determined.

The jury in the US District court for the Western District of Texas notified the court twice that it couldn’t reach a unanimous decision before finally reaching a verdict late Friday. The jury didn’t decide on the validity of the two patents at issue, US Patent Nos. 7,544,276 and 7,381,657.

Demaray had sought more than $4 billion in damages.

Employees of Samsung’s supplier Applied Materials Inc. testified throughout the trial. Judge Alan Albright abruptly stopped ...