Patent assignee · GB · COMPANY

Sophos PLC

19Patents
18Active
19Granted
49Portfolio score

Filing activity: Apr 28, 1994 → May 31, 2011 · 13 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8365286B2 Method and system for classification of software using characteristics and combinations of such characteristics Physics 376 Active
US8266687B2 Discovery of the use of anonymizing proxies by analysis of HTTP cookies Electricity 122 Active
US6195587A Validity checking Physics 119 Expired
US8346923B2 Methods for identifying an application and controlling its network utilization Electricity 94 Active
US7890627B1 Hierarchical statistical model of internet reputation Electricity 64 Active
US8266672B2 Method and system for network identification via DNS Electricity 36 Active
US8286255B2 Computer file control through file tagging Electricity 32 Active
US8392972B2 Protected access control method for shared computer resources Physics 24 Active
US8220050B2 Method and system for detecting restricted content associated with retrieved content Physics 22 Active
US8090852B2 Managing use of proxies to access restricted network locations Electricity 20 Active
US7966650B2 Dynamic internet address assignment based on user identity and policy compliance Electricity 13 Active
US7757002B2 Method and systems for analyzing network content in a pre-fetching web proxy Physics 7 Active
US8392379B2 Method and system for preemptive scanning of computer files Physics 6 Active
US8261344B2 Method and system for classification of software using characteristics and combinations of such characteristics Physics 6 Active
US7840599B2 Selection and storage of policies in network management Electricity 6 Active
US8170352B2 String searching facility Physics 4 Active
US8407804B2 System and method of whitelisting parent virtual images Physics 4 Active
US8146137B2 Dynamic internet address assignment based on user identity and policy compliance Electricity 3 Active
US7882152B2 Selection and storage of policies in network management Electricity 0 Active

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