General Patent Licenses DTL Patent to Sony Ericsson

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General Patent Corporation (GPC) today announced on behalf of its client, Digital Technology Licensing (DTL), that it licensed DTL key cell-phone patent to Sony Ericsson.

General Patent Corporation (GPC), a leading patent licensing and enforcement firm, announced today on behalf of its client, Digital Technology Licensing LLC (DTL), that it has licensed a key cell phone patent to Sony Ericsson Mobile Communications AB (Sony Ericsson).

DTL owns U.S. Patent No. 5,051,799 titled "Digital Output Transducer" (Patent), which is an essential patent for Adaptive Multi-Rate (AMR) codec and other cellular communication standards. The patented technology is also used to assure backward compatibility of cell phone handsets and base stations. Other applications of this patented technology include Bluetooth headsets.

"We are very pleased to grant a license to Sony Ericsson," said Paul Lerner, GPC's Sr. Vice President and General Counsel. "We will continue with our efforts to license this key patent and to vigorously enforce the intellectual property rights of our client," he concluded.

General Patent Corporation represents DTL in the licensing and enforcement of this Patent. DTL brought patent infringement suits against Verizon Wireless, Cingular Wireless (now known as AT&T Mobility), T-Mobile, Sprint and other companies. Sony Ericsson was not a party to any of these lawsuits. GPC previously announced that Nokia, Ericsson, Samsung and LG had licensed DTL's Patent, and that the lawsuits against Cingular Wireless, AT&T Mobility, and Motorola had been settled.

About Digital Technologies Licensing LLC:
Digital Technology Licensing LLC (DTL), of Suffern, N.Y., is the owner of U.S. Patent No. 5,051,799 titled "Digital Output Transducer." DTL is a portfolio company of IP Holdings LLC and is managed by General Patent Corporation. A non-exclusive license under the patent is available on reasonable and non-discriminatory terms. For licensing terms, please contact Paul Lerner at (845) 368-4000 x104. For more information, please visit http://www.digitaltechnologylicensing.com.

About General Patent Corporation:
General Patent Corporation (GPC), headquartered in Suffern, NY, is a premier intellectual property (IP) boutique focusing on patent licensing and patent enforcement, as well as IP strategy and IP valuation. GPC represents clients in assertive licensing and infringement matters on a contingency basis. General Patent, the oldest patent enforcement firm in the U.S., is the managing member of DTL. For more information on GPC, please visit http://www.generalpatent.com.

About IP Holdings LLC:
IP Holdings LLC, an affiliate of General Patent Corporation, is an IP-centric merchant banking organization. IP Holdings provides IP-related financial services as well as IP brokerage services. IP Holdings also operates an idea incubator. IP Holdings is a member of DTL. For more information on IP Holdings visit http://www.ip-holdings.com.

Contact:
Alec Schibanoff
aschibanoff (at) generalpatent.com
845-368-4000 Ext. 116

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