Marathon Patent Group's Wholly Owned Subsidiary, S

ALEXANDRIA, VA--(Marketwired - May 13, 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 Ambit Energy Holdings, LLC, BMC Software Inc., HomeAway, Inc., Hoover's Inc. and Ristken Software (the "Defendants").

Sampo is asserting infringement related to U.S. Patent numbers 6,772,229, 6,161,149 and 8,015,495, each 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 Asserted 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

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