September 24, 2010 - International Business Machines Corporation (IBM) and the Hewlett-Packard Company (HP) were sued in U.S. District Court in San Francisco, California, for allegedly infringing U.S. patents belonging to BackWeb Technologies Ltd. The seven patents-in-suit cover methods for transmitting information between a remote network and a local computer and distributed client-based data caching systems.
According to a BackWeb press release, "BackWeb was a pioneer in Internet 'push' communications technology, and since 1995 it has developed technology and products related to efficient Internet-based communication and notification which were sold to hundreds of customers and used by tens of millions of users."