The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2013
Filed:
Jun. 23, 2003
Bryan T. Starbuck, Duvall, WA (US);
Robert L. Rounthwaite, Fall City, WA (US);
David E. Heckerman, Bellevue, WA (US);
Joshua T. Goodman, Redmond, WA (US);
Eliot C. Gillum, Los Gatos, CA (US);
Nathan D. Howell, Seattle, WA (US);
Kenneth R. Aldinger, Redmond, WA (US);
Bryan T. Starbuck, Duvall, WA (US);
Robert L. Rounthwaite, Fall City, WA (US);
David E. Heckerman, Bellevue, WA (US);
Joshua T. Goodman, Redmond, WA (US);
Eliot C. Gillum, Los Gatos, CA (US);
Nathan D. Howell, Seattle, WA (US);
Kenneth R. Aldinger, Redmond, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
The subject invention provides for an advanced and robust system and method that facilitates detecting spam. The system and method include components as well as other operations which enhance or promote finding characteristics that are difficult or the spammer to avoid and finding characteristics in non-spam that are difficult for spammers to duplicate. Exemplary characteristics include examining origination features in pairs, analyzing character and/or number sequences, strings, and sub-strings, detecting various entropy levels of one or more character sequences, strings and/or sub-strings as well as analyzing message and/or feature sizes.