Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Barbara L. Fox — 12 Patents

Microsoft: 11 patents #3,886 of 40,388Top 10%
Visa: 1 patents #1,311 of 2,009Top 70%
Seattle, WA: #2,444 of 21,776 inventorsTop 15%
Washington: #8,631 of 76,902 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Barbara L. Fox has been granted 12 US patents while listed as an inventor at Microsoft. The first was granted in 1998 and the most recent in January 2013. Barbara L. Fox ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Barbara L. Fox in Seattle, WA, US.

Patents per Year

Patents granted per year, 1998 to 2013Bar chart with a peak of 2 patents in 2005.peak 21998: 1 patents19982000: 1 patents20002003: 1 patents20032004: 1 patents20042005: 2 patents20052006: 1 patents20062008: 1 patents20082009: 2 patents20092011: 1 patents20112013: 1 patents2013

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8355970 Intelligent trust management method and system Brian A. LaMacchia 2013-01-15 $36,488,000
7877264 Intelligent trust management method and system Brian A. LaMacchia 2011-01-25 $24,388,000
7596692 Cryptographic audit David G. Conroy, Brian A. LaMacchia 2009-09-29 $51,348,000
7506158 Certificate reissuance for checking the status of a certificate in financial transactions Brian A. LaMacchia 2009-03-17 $13,616,000
7366918 Configuring and managing resources on a multi-purpose integrated circuit card using a personal computer Doug Barlow, Blair B. Dillaway, Terry M. Lipscomb, Terrence Spies 2008-04-29 $42,493,000
7003480 GUMP: grand unified meta-protocol for simple standards-based electronic commerce transactions Brian A. LaMacchia, Brian C. Beckman 2006-02-21 $33,122,000
6965999 Intelligent trust management method and system Brian A. LaMacchia 2005-11-15 $54,838,000
6842863 Certificate reissuance for checking the status of a certificate in financial transactions Brian A. LaMacchia 2005-01-11 $189,773,000
6810479 System and method for configuring and managing resources on a multi-purpose integrated circuit card using a personal computer Doug Barlow, Blair B. Dillaway, Terry M. Lipscomb, Terrence Spies 2004-10-26 $101,486,000
6560581 System and method for secure electronic commerce transaction Lester L. Waters, Jeffrey F. Spelman, Robert B. Seidensticker, Jr., Matthew W. Thomlinson 2003-05-06
6038551 System and method for configuring and managing resources on a multi-purpose integrated circuit card using a personal computer Doug Barlow, Blair B. Dillaway, Terry M. Lipscomb, Terrence Spies 2000-03-14 $512,542,000
5790677 System and method for secure electronic commerce transactions Lester L. Waters, Jeffrey F. Spelman, Robert B. Seidensticker, Jr., Matthew W. Thomlinson 1998-08-04 $271,217,000