ARTICLE · 18 OCTOBER 2024

Familiar Named Inventor Opens Up Networking Campaign

RPX Corporation

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Representing himself, named individual inventor Mark Sandstrom has asked the District of Minnesota for declaratory judgments that AT&T, Charter Communications, Ericsson, and Nokia ...

United StatesIntellectual Property

RPX Corporation

August 4, 2024

Representing himself, named individual inventor Mark Sandstrom has asked the District of Minnesota for declaratory judgments that AT&T (0:24-cv-03053), Charter Communications (0:24-cv-03118), Ericsson (0:24-cv-02796), and Nokia (0:24-cv-03117) require a license to overlapping sets of five patents—described as related to certain "network protocol standards", such as the BIER, NETCONF, and xGPON standards—to use the "respective standards in the US". Other Sandstrom patents are in litigation from plaintiffs Optimum Communications Services, Inc. (OCS) and ThroughPuter, Inc.

Three of the patents now the subject of these complaints (7,558,260; 10,567,474; 10,848,546) belong to an 11-member family with issue dates ranging from August 2007 to August 2022 and an earliest estimated priority date in February 2002, based on the filing of a provisional application. Sandstrom is their sole named inventor. The fourth patent (7,333,511) comprises a family of one,

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