Patent assignee · US · COMPANY

RPX Clearinghouse LLC

100Patents
99Active
100Granted
58Portfolio score

Filing activity: Apr 10, 2003 → Dec 17, 2014 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9059920B2 Method and apparatus for selecting between available neighbors in a RAPID alternate path calculation Electricity 38 Active
US9014557B2 Optical switch with power equalization Electricity 18 Active
US9009778B2 Segmented network identity management Electricity 17 Active
US9025747B2 Method and apparatus for controlling calling-party identification Electricity 11 Active
US9075717B2 Connectivity fault notification Emerging Cross-Sectional Technologies 9 Active
US9024993B2 System and method for automatically managing participation at a meeting or conference Electricity 8 Active
US9065627B2 Differential timing transfer over synchronous ethernet using digital frequency generators and control word signaling Electricity 8 Active
US9008088B2 Multicast implementation in a link state protocol controlled ethernet network Electricity 7 Active
US9021130B1 Photonic line sharing for high-speed routers Electricity 7 Active
US9094256B1 Media capability selection Electricity 7 Active
US9319268B2 Q-in-Q Ethernet rings Electricity 7 Active
US9036364B1 Circuit board with signal layers of different dimensions to communicate signals of different frequencies Electricity 5 Active
US9059798B2 Passive optical loopback Electricity 5 Active
US9054994B2 Method and system for quality of service support for Ethernet multiservice interworking over multiprotocol label switching Electricity 4 Active
US9143430B2 State information and routing table updates in large scale data networks Electricity 4 Active
US9088344B2 Frequency agile filter using a digital filter and bandstop filtering Electricity 4 Active
US9036641B2 Provider backbone bridging—provider backbone transport internetworking Electricity 4 Active
US9306812B2 System and method for providing network application performance management in a network Electricity 3 Active
US9112869B2 Method for operating multi-domain provider ethernet networks Electricity 3 Active
US9268413B2 Multi-touch touchscreen incorporating pen tracking Physics 3 Active
US9110991B2 Associative search engine Emerging Cross-Sectional Technologies 2 Active
US9129019B2 Associative search engine Emerging Cross-Sectional Technologies 2 Active
US9009150B2 Associative search engine Emerging Cross-Sectional Technologies 2 Active
US9432213B2 IP forwarding across a link state protocol controlled ethernet network Electricity 2 Active
US9071588B2 Secure group communications Electricity 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.