ITC to Investigate Microtune for Infringing Two Broadcom Patents

4/4/2003 - Broadcom Corporation (Nasdaq:BRCM), the leading provider of integrated circuits enabling broadband communications, announced that the United States International Trade Commission (ITC) has voted to commence an investigation based on allegations that Texas-based Microtune, Inc. (Nasdaq:TUNE) has engaged in unfair trade practices by importing tuners, power amplifiers and BluetoothTM products that infringe two Broadcom patents.

Broadcom, in a complaint filed with the ITC on March 3, 2003, is seeking an exclusion order to bar the importation into the United States of those devices, as well as cable modems, set-top boxes, PCTV cards and Bluetooth headsets that incorporate Microtune’s infringing chips.

Broadcom is requesting that the ITC issue a permanent exclusion order and a permanent cease and desist order against Microtune. Additionally, Broadcom’s complaint requests a cease and desist order to bar further sales of infringing products that have already been imported into the United States by Microtune.

The case has been referred to ITC Administrative Law Judge Sidney Harris, who will schedule and hold an evidentiary hearing, and then make an initial determination. If the ITC ultimately agrees to enter an exclusion order, Microtune’s infringing products would be immediately barred from importation into the United States.

About Broadcom
Broadcom Corporation is the leading provider of highly integrated silicon solutions that enable broadband communications and networking of voice, video and data services. Using proprietary technologies and advanced design methodologies, Broadcom designs, develops and supplies complete system-on-a-chip solutions and related hardware and software applications for every major broadband communications market. Our diverse product portfolio includes solutions for digital cable and satellite set-top boxes; cable and DSL modems and residential gateways; high-speed transmission and switching for local, metropolitan, wide area and storage networking; home and wireless networking; cellular and terrestrial wireless communications; Voice over Internet Protocol (VoIP) gateway and telephony systems; broadband network processors; and SystemI/OTM server solutions. These technologies and products support our core mission: Connecting everything®.

Broadcom is headquartered in Irvine, Calif., and may be contacted at 1-949-450-8700 or at

Broadcom®, the pulse logo, Connecting everything®, and SystemI/OTM are trademarks of Broadcom Corporation and/or its affiliates in the United States and certain other countries. BluetoothTM is a trademark of the Bluetooth Special Interest Group (SIG).

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