Marathon Patent Group's Wholly Owned Subsidiary, Sampo IP, Files Patent Infringement Lawsuit Against Starbucks Corporation, E*Trade Financial, Hewlett-Packard Company, and Others


ALEXANDRIA, VA--(Marketwired - May 6, 2013) -  Marathon Patent Group, Inc. (OTCBB: MARA) ("Marathon"), an intellectual property services and patent licensing company, announced today that its subsidiary Sampo IP, LLC ("Sampo") has filed a patent infringement lawsuit in the United States District Court for the Eastern District of Texas against E*Trade Financial Corporate Services Inc., Liberty Mutual Group Inc., Aetna Inc., Avon Products Inc., Starbucks Corporation, Yum! Brands Inc., Hewlett-Packard Company, and Alcatel-Lucent USA Inc., (the "Defendants").

Sampo is asserting three causes of action involving patent infringement related to U.S. Patent numbers 6,161,149, 6,772,229, and 8,015,495, all entitled Centrifugal Communication and Collaboration Method. The lawsuit alleges that the Defendants have infringed, and continue to infringe, the claims of the patents in suit by using the accused communications systems and methods covered by the claims of the Sampo patents.

About Marathon Patent Group
Marathon Patent Group ("Marathon") is an intellectual property services and patent licensing company that serves a wide range of patent holders and technologies from Fortune 500 to independent inventors. Marathon provides its clients advice and services that enable them to realize financial and strategic return on their intellectual property rights. Marathon serves clients through two complementary business units: IP Services, which devises strategies that allow our clients to maximize the value of their intellectual property assets, and IP Licensing, which acquires patent assets, partners with patent holders, and monetizes patent portfolios through actively managed patent licensing campaigns. Marathon is based in Alexandria, Virginia. www.marathonpg.com

Forward Looking Statements
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Contact Information:

Marathon Patent Group
Investor Relations
678-570-6791

IP Communications
Brody Berman Associates
212-683-8125