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Patent Law

: Philip Brooks’ Patent Infringement Updates

DTL Licenses Key Cell Phone Patent to Ericsson

By Philip Brooks

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The following is excerpted from a press release that appeared today, January 22, 2008 at Business Wire:

General Patent Corporation International (GPCI), 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 Ericsson, Inc., Ericsson AB, and LM Ericsson Telefonaktiebolaget (Ericsson).

The agreement with Ericsson follows a licensing deal reached earlier with Nokia for DTL, which owns a key patent for modern cellular technology.

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.

GPCI represents Digital Technologies Licensing LLC in the licensing and enforcement of the DTL Patent. DTL brought patent infringement suits against Verizon Wireless, Cingular Wireless, T-Mobile and Sprint and other companies. Ericsson was not a party to any of these lawsuits.

Read the full press release here.

Full post as published by Philip Brooks’ Patent Infringement Updates on January 22, 2008 (boomark / email).