HTC has filed infringement claims against Apple, using patents obtained from Google last week, reports “Bloomberg” (http://www.bloomberg.com/news/2011-09-07/htc-sues-apple-alleging-infringement-of-four-u-s-patents.html).

The nine patents originated with Palm., Motorola and Openwave Systems, with Google taking ownership within the past year, according to U.S. Patent and Trademark Office records. Google recorded transfer of the patents to HTC on Sept. 1, notes “Bloomberg.”
.
HTC sued Apple Wednesday in federal court in Delaware, claiming infringement of four of those patents that originally were issued to Motorola. The company also amended a complaint with the U.S. International Trade Commission in Washington, alleging infringement of three patents first issued to Openwave and two others originally owned by Palm.

Apple has, as you doubtless know by now, has filed patent cases against handset makers using Google’s Android operating system, including Samsung, Motorola Mobility Holdings and HTC.