General Patent Corporation Licenses Key Cell Phone Patent Owned by DTL to Mid-Rivers Telephone Cooperative

Suffern, NY - August 6, 2009 - General Patent Corporation (GPC), a leading patent licensing and patent enforcement firm, announced today on behalf of its client, Digital Technology Licensing LLC (DTL), that it has licensed DTL's key cell phone patent to Mid-Rivers Telephone Cooperative, Inc. of Circle, MT.

DTL owns US Patent No. 5,051,799 titled "Digital Output Transducer." This patented technology covers Adaptive Multi-Rate (AMR) codec and other cellular communication standards and is used to assure backward compatibility of cell phone handsets and base stations. Other applications of this patented technology include Bluetooth devices.

"We are very pleased to extend a license under the DTL patent to Mid-Rivers," said Paul Lerner, General Patent's Sr. Vice President and General Counsel. "Licensing of the DTL patent is available to other cell phone providers at our standard royalty rate of 0.7% on non-discriminatory terms."

Mid-Rivers Telephone Cooperative is the parent of Cable & Communications Corporation (C&CC), provider of Mid-Rivers Cable Television and Mid-Rivers Cellular Service. Mid-Rivers serves customers in Montana and North Dakota, and is the largest land mass telephone cooperative in the Continental US.

General Patent Corporation represents DTL in the licensing and enforcement of the '799 Patent. DTL brought patent infringement lawsuits against Verizon Wireless, Cingular Wireless (now known as AT&T Mobility), T-Mobile, Sprint and other companies. GPC previously announced that Nokia, Ericsson, Sony-Ericsson, Samsung, LG and others had licensed DTL's Patent, and that all lawsuits except for Verizon, Sprint and Kyocera had been settled.

About Digital Technologies Licensing LLC

Digital Technology Licensing LLC (DTL) is the owner of U.S. Patent No. 5,051,799 titled "Digital Output Transducer" which is now expired. DLT is a portfolio company of IP Holdings LLC and is managed by General Patent Corporation. A non-exclusive license under the patent is available for past sales at DTL's standard royalty rate of 0.7% on non-discriminatory terms. For licensing terms, contact Kathlene Ingham at (845) 368-4000 x107. For more information, please visit

About General Patent Corporation

General Patent Corporation (GPC) is a leading intellectual property boutique focusing on patent licensing and enforcement, and IP strategy and valuation. Headquartered in Suffern, NY, GPC represents patent owners in patent enforcement and assertive licensing matters, and assists patent owners with patent infringement claims and patent litigation on a contingency basis. GPC also provides IP valuation, IP strategy and technology transfer services. General Patent is the oldest patent enforcement firm in the U.S., and is the managing member of DTL. For more information, visit

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 finance 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