Tessera loses patent case at ITC

Tessara President and CEO Henry Norhhaft expressed disappointment with the decision and said the company was reviewing a possible appeal.

Business Week reported that Tessera shares dropped 8.6 percent in trading on Wednesday.

Tech companies have increasingly gone to the ITC to battle over patents. On Tuesday, Nokia filed an ITC case against Apple charging patent infringement, while Prism Technologies filed suit against Research in Motion, the maker of the Blackberry.