Marathon Patent Group's Wholly-Owned Subsidiary Files Patent Infringement Lawsuit Against Cablevision

ALEXANDRIA, VA -- (Marketwired) -- 08/02/13 -- Marathon Patent Group, Inc. (OTCBB: MARAD) ("Marathon"), a patent licensing company, announced today that its wholly-owned subsidiary Relay IP Inc., ("Relay IP") has filed a patent infringement lawsuit against Cablevision Systems Corp. in the United States District Court for the District of Delaware.

Relay IP is asserting infringement related to U.S. Patent number 5,331,637, entitled Multicast Routing Using Core Based Trees. The lawsuit alleges that the Cablevision Systems Corp has infringed, and continues to infringe, the claims of the patent by using the multicast systems and methods covered by the claims of the Relay IP patent.

About Marathon Patent Group:

Based in Alexandria, VA, Marathon Patent Group is a patent licensing company serving a wide range of patent owners from Fortune 500 companies to independent inventors. Marathon provides its clients advice and services that enable them to realize financial and strategic returns on their intellectual property rights. Marathon's operating subsidiaries acquire patent assets, partner with patent holders, and monetize patent portfolios through actively managed patent licensing campaigns. Marathon has maintained a close working relationship for the past 10 years with IPNav (, a global leader in full service patent monetization. To learn more about Marathon Patent Group, visit

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Source: Marathon Patent Group