Sampo IP, Inc.

Sampo IP, Inc. is a wholly-owned subsidiary of Marathon Patent Group, Inc., a patent acquisition and monetization company now known as Marathon Digital Holdings, Inc. (NASDAQ: MARA). While a founding year and specific headquarters for Sampo IP, Inc. are not publicly detailed, its parent company, Marathon Patent Group, was based in Alexandria, VA. No information regarding employee count or revenue specific to Sampo IP, Inc. is publicly available, as its operations are integrated within its parent's patent monetization business model.

Sampo IP, Inc. operates exclusively as a Non-Practicing Entity (NPE) and Patent Assertion Entity (PAE). It does not develop or sell products or services. Instead, its primary function is to acquire patents and generate revenue through licensing agreements and patent infringement litigation. The patents asserted by Sampo IP, Inc. and its related entity, Sampo IP, LLC, include U.S. Patent numbers 6,772,229, 6,161,149, and 8,015,495, all titled "Centrifugal Communication and Collaboration Method." These patents relate to methods for "communicating information among members of a distributed discussion group using communication devices and a central agent."

Consistent with its role as an NPE, Sampo IP, Inc. has a litigation posture solely as a plaintiff, with one tracked case and zero defendant cases. Its parent company, Marathon Patent Group, explicitly states its business involves "actively managed concurrent patent rights enforcement campaigns." The tracked case was filed in the United States District Court for the District of Delaware, a common venue for patent litigation.

The most notable tracked case involving Sampo IP, Inc. is Sampo IP, Inc. v. Twitter Inc. et al., filed on April 8, 2014, in the District of Delaware. This lawsuit asserted infringement of U.S. Patents 6,772,229 and 6,161,149. In other campaigns, Marathon Patent Group's subsidiary Sampo IP, LLC also filed lawsuits in the Eastern District of Texas against various companies including Starbucks Corporation, E*Trade Financial, and Hewlett-Packard Company, asserting related patents. Twitter Inc. has since been consolidated into X Corp.