Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Matthias Leibmann — 28 Patents

Microsoft: 28 patents #973 of 40,388Top 3%
Redmond, WA: #345 of 8,547 inventorsTop 5%
Washington: #2,866 of 76,902 inventorsTop 4%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Matthias Leibmann has been granted 28 US patents while listed as an inventor at Microsoft. The first was granted in 2007 and the most recent in December 2025. Matthias Leibmann ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Matthias Leibmann in Redmond, WA, US.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 5 patents in 2009.peak 52007: 1 patents20072008: 1 patents2009: 5 patents20092010: 1 patents2011: 1 patents20112013: 3 patents2014: 3 patents20142015: 1 patents2019: 1 patents20192020: 2 patents2022: 2 patents20222023: 3 patents2024: 1 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12489750 User permission in a multi-tenant environment Chun-Chieh Lin, Vikas Ahuja, Anshul Dube, Shankaranand Arunachalam 2025-12-02
12335251 Service to service authentication in computing systems Chun-Hung Lin 2025-06-17
12197598 Cross-tenant access to lightweight group assets Michael McLean, Ladislau Conceicao, Glenn Block, Timothy Yu-Rui Chen, Dean Shiyu CHIANG 2025-01-14
11968303 Keyless authentication scheme of computing services Paranthaman Saravanan, Marc Andrew Power, Yang Zhang, Grigory V. Kaplin, Yi Zeng 2024-04-23 $338,628,000
11658983 Authentication and authorization across microservices Grigory V. Kaplin, Vikas Ahuja, Kapil Jain, Qinxiao Zhou, Ran Cheng 2023-05-23 $326,580,000
11606208 Keyless authentication scheme of computing services Paranthaman Saravanan, Marc Andrew Power, Yang Zhang, Grigory V. Kaplin, Yi Zeng 2023-03-14 $417,100,000
11595220 Client certificate authentication in multi-node scenarios Grigory V. Kaplin, Chun-Hung Lin 2023-02-28 $221,092,000
11310059 Ephemeral cryptography keys for authenticating computing services Victor Boctor, Grigory V. Kaplin, Liang Zou, Paranthaman Saravanan 2022-04-19 $219,974,000
11223488 Client certificate authentication in multi-node scenarios Grigory V. Kaplin, Chun-Hung Lin 2022-01-11 $264,033,000
10726395 Calendar repair assistant Vanessa Feliberti, Cliff M. Don, Firdosh R. Ghyara, Sina Hakami, Roberto Ribeiro da Fonseca Mendes +1 more 2020-07-28 $115,702,000
10623410 Multi-level, distributed access control between services and applications Joel T. Hendrickson, Grigory V. Kaplin, Corneliu Manescu 2020-04-14 $125,652,000
10176462 Calendar repair assistant Vanessa Feliberti, Cliff M. Don, Firdosh R. Ghyara, Sina Hakami, Roberto Ribeiro da Fonseca Mendes +1 more 2019-01-08 $55,256,000
9213964 Calendar repair assistant Vanessa Feliberti, Cliff M. Don, Firdosh R. Ghyara, Sina Hakami, Roberto Ribeiro da Fonseca Mendes +1 more 2015-12-15 $73,493,000
8898764 Authenticating user through web extension using token based authentication scheme Brian Kress, Andrew Salamatov, Jason Todd Henderson 2014-11-25 $27,855,000
8819794 Integrating server applications with multiple authentication providers Vadim Eydelman, Brian Kress, Moustafa Noureddine, Lei Yu, Haibo Luo 2014-08-26 $21,459,000
8713435 Dynamic rebasing of persisted time information Hongchao Guan, Jason Buckingham, Alessio Roic 2014-04-29 $28,448,000
8621205 Certificate remoting and recovery Steven Quentin Hubbell, Frank Byrum, Ladislau Conceicao, Trevor W. Freeman, Jeffrey B. Kay 2013-12-31 $17,332,000
8612535 Repairing calendars with standard meeting messages Roberto Ribeiro da Fonseca Mendes, Vanessa Feliberti, Firdosh R. Ghyara, Sina Hakami, Paul David Tischhauser 2013-12-17 $25,958,000
8375081 Calendar repair assistant Vanessa Feliberti, Cliff M. Don, Firdosh R. Ghyara, Sina Hakami, Roberto Ribeiro da Fonseca Mendes +1 more 2013-02-12 $17,029,000
7962493 Dynamic computation of identity-based attributes Cezar Ungureanasu, John Zybura, Pallavi Gajula 2011-06-14 $17,027,000
7703667 Management and application of entitlements Neil K. Koorland, Geeman Yip, Herman Man, Brian Kress, John Zybura +1 more 2010-04-27 $19,291,000
7620658 Configuration of a directory system Max L. Benson, Jie Liu, Derek Murman 2009-11-17 $30,079,000
7607164 Systems and processes for managing policy change in a distributed enterprise Karan Vasishth, Kimberley Ann Hunter, Laurie A. Brown, Mark David Lawrence 2009-10-20 $35,334,000
7540014 Automated policy change alert in a distributed enterprise Karan Vasishth, Kimberley Ann Hunter, Laurie A. Brown, Mark David Lawrence, Michelle Alicia Rae Beaulieu 2009-05-26 $27,170,000
7529931 Managing elevated rights on a network Karen Vasishth, Kimberley Ann Hunter, Laurie A. Brown, Mark David Lawrence 2009-05-05 $21,029,000