SUFFERN, NY - General Patent Corporation (GPC), a leading patent licensing and enforcement firm, announced 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), a press release by GPC stated.

DTL owns US Patent No. 5,051,799 titled "Digital Output Transducer", 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,” GPC’s Sr. Vice President and General CounselPaul Lerner said.

“We will continue with our efforts to license this key patent and to vigorously enforce the Intellectual Property Rights of our client,” he added.

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.

Digital Technology Licensing LLC, of Suffern, NY, is the owner of US 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.

From:www.ag-ip-news.com