US Patent No: 7,941,490

Number of patents in Portfolio can not be more than 2000

Method and apparatus for detecting spam in email messages and email attachments

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and system for a character-based document comparison are described. In one embodiment, the method includes receiving an email message and determining a level of noise present in the message. The level of noise present in the email message is then utilized to determine whether the message is indicative of spam.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SYMANTEC CORPORATIONMOUNTAIN VIEW, CA1786

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cowings, David O - 1 6

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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Other [Check patent profile for assignment information] (6)
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Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MCAFEE, INC. (1)
8,719,352 Reputation management for network content classification 0 2010
 
PSM MERGER SUB (DELAWARE), INC. C/O THOMA BRAVO, LLC (1)
8,661,545 Classifying a message based on fraud indicators 0 2012
 
SONICWALL, INC. (1)
8,191,148 Classifying a message based on fraud indicators 4 2009
 
SYMANTEC CORPORATION (1)
8,402,102 Method and apparatus for filtering email spam using email noise reduction 0 2010
 
WEBSENSE U.K. LIMITED (1)
8,244,817 Method and apparatus for electronic mail filtering 0 2008
 
WEBSENSE, INC. (1)
8,615,800 System and method for analyzing web content 1 2006

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Nov 10, 2014
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 10, 2018
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 10, 2022
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00

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