Complex sentence: On March 15,2011 the United States Patent and Trademark Office USPTO placed j2 Global Communications's trademark "eFax" on the principal trademark register, giving j2 Global has the exclusive right in the U.S. to use eFax ® in connection with Internet faxing services.
Split into simpler sentences: On March 15,2011 the United States Patent and Trademark Office (USPTO) placed j2 Global Communications'trademark "eFax" on the principal trademark register. The approval grants j2 Global (eFax's parent company) exclusive right in the U.S. to use eFax ® in connection with Internet faxing services.