Patent assignee · US · COMPANY

CallWave, Inc.

37Patents
27Active
37Granted
53Portfolio score

Filing activity: Mar 31, 2000 → May 19, 2010 · 27 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6477246B1 Method and apparatus for providing expanded telecommunications service Electricity 264 Expired
US6968174B1 Call routing apparatus Physics 184 Expired
US7555110B2 Methods and apparatus for providing expanded telecommunications service Electricity 174 Active
US6898275B2 Method and apparatus for providing expanded telecommunications service Electricity 173 Expired
US6879677B2 Methods and systems for telephony call completion Electricity 124 Expired
US7103167B2 Systems and methods for call screening Electricity 115 Expired
US7822188B1 Methods and apparatus for providing expanded telecommunications service Electricity 109 Active
US6738461B2 Methods and apparatus for returning a call over a telephony system Electricity 91 Expired
US7852749B2 Methods and systems for routing telecommunications Electricity 90 Active
US7839987B1 Methods and systems for creating a dynamic call log and contact records Electricity 71 Active
US7688958B2 Methods and apparatus for providing expanded telecommunications service Electricity 61 Active
US8218736B1 Methods and systems for confirming message delivery Electricity 45 Active
US8102986B1 Methods and systems for providing telecommunications services Electricity 43 Active
US8000455B1 Methods and systems for call processing Electricity 42 Active
US7818734B2 Methods and systems for transferring data over a network Electricity 41 Active
US7480065B1 Facsimile telecommunications system and method Electricity 39 Active
US7397910B2 Method and apparatus for providing expanded telecommunications service Electricity 38 Active
US7266185B2 Methods and apparatus for returning a call over a telephony system Electricity 36 Expired
US8214338B1 Methods and systems for media storage Physics 35 Active
US7474432B1 Methods and systems for fax routing Electricity 30 Active
US7636428B2 Systems and methods for call screening Electricity 27 Active
US7460653B2 Apparatus and methods for telecommunication authentication Electricity 27 Expired
US7409048B2 Call processing and subscriber registration systems and methods Electricity 26 Active
US7742586B1 Enhanced service levels for call-processing services Electricity 23 Active
US8064588B2 Systems and methods for call screening Electricity 21 Active

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