Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PL

Paul J. Leach — 93 Patents

Microsoft: 92 patents #79 of 40,388Top 1%
HP: 1 patents #11,359 of 7,018Top 165%
Seattle, WA: #85 of 21,776 inventorsTop 1%
Washington: #326 of 76,902 inventorsTop 1%
Overall (All Time): #16,773 of 4,157,543Top 1%
93 Patents All Time
Paul J. Leach has been granted 93 US patents while listed as an inventor at Microsoft. The first was granted in 1994 and the most recent in November 2017. Paul J. Leach ranks #16,773 of 4,157,543 US inventors in our database (top 0.40%). Patent records list Paul J. Leach in Seattle, WA, US.

Patents per Year

Patents granted per year, 1994 to 2017Bar chart with a peak of 10 patents in 2010.peak 101994: 1 patents19941996: 1 patents1998: 6 patents1999: 3 patents19992000: 1 patents2001: 6 patents2002: 6 patents20022003: 1 patents2004: 1 patents2005: 2 patents20052006: 5 patents2007: 7 patents2008: 5 patents20082009: 6 patents2010: 10 patents2011: 5 patents20112012: 7 patents2013: 5 patents2014: 5 patents20142015: 7 patents2016: 2 patents2017: 1 patents2017

Issued Patents All Time

Showing 1–25 of 93 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9819666 Pass-thru for client authentication David R. Mowers, John A. Banes, Daniel R. Simon 2017-11-14 $36,722,000
9407617 Pass-thru for client authentication David R. Mowers, John A. Banes, Daniel R. Simon 2016-08-02
9253195 Transformation of sequential access control lists utilizing certificates Carl M. Ellison, Butler W. Lampson, Melissa W. Dunn, Ravindra Nath Pandya, Charles W. Kaufman 2016-02-02 $33,611,000
9208332 Scoped resource authorization policies David McPherson, Vishal Agarwal, Mark F. Novak, Ming Tang, Ramaswamy Ranganathan +4 more 2015-12-08 $46,233,000
9118672 Back-end constrained delegation model Mark F. Novak, Liqiang Zhu, Paul J. Miller, Alexandru Hanganu, Yi Zeng +2 more 2015-08-25 $40,227,000
9058467 Distributed computer systems with time-dependent credentials Mark F. Novak, Yi Zeng, Saurav Sinha, K Michiko Short, Gopinathan Kannan 2015-06-16 $66,233,000
9055107 Authentication delegation based on re-verification of cryptographic evidence Gennady Medvinsky, Nir Nice, Tomer Shiran, Alexander Teplitsky, John Neystadt 2015-06-09 $39,913,000
9032492 Distributed computer systems with time-dependent credentials Mark F. Novak, Yi Zeng, Saurav Sinha, K Michiko Short, Gopinathan Kannan 2015-05-12 $40,939,000
8996866 Unobtrusive assurance of authentic user intent Crispin Cowan, Matthew Z. Tamayo-Rios, Tanmoy Dutta, John J. Lambert, Scott A. Field +1 more 2015-03-31 $24,045,000
8984624 Resource access based on multiple scope levels Raja Pazhanivel Perumal, Jeffrey B. Hamblin 2015-03-17 $21,315,000
8863291 Reputation checking of executable programs Daniel Oliver, Anshul Rawat, Xiang Zheng Tu, Ryan Colvin, James H. Dooley +7 more 2014-10-14 $29,078,000
8813170 Testing access policies Mark F. Novak, Vishal Agarwal, David McPherson, Sunil P. Gottumukkala, Jignesh Shah +4 more 2014-08-19 $30,011,000
8640210 Distributed computer systems with time-dependent credentials Mark F. Novak, Yi Zeng, Saurav Sinha, K Michiko Short, Gopinathan Kannan 2014-01-28 $35,401,000
8640256 File system operation and digital rights management (DRM) David B. Cross 2014-01-28 $35,401,000
8627440 PassThru for client authentication David R. Mowers, Daniel R. Simon, John A. Banes 2014-01-07 $21,622,000
8621561 Selective authorization based on authentication input attributes David B. Cross, Mark F. Novak, Oded Ye Shekel, Andreas K. Luther, Thomas C. Jones 2013-12-31 $17,332,000
8555069 Fast-reconnection of negotiable authentication network clients Liqiang Zhu, Kevin Thomas Damour, David McPherson, Tanmoy Dutta 2013-10-08 $30,716,000
8468579 Transformation of sequential access control lists utilizing certificates Carl M. Ellison, Butler W. Lampson, Melissa W. Dunn, Ravindra Nath Pandya, Charles W. Kaufman 2013-06-18 $36,705,000
8464319 Resource access based on multiple scope levels Raja Pazhanivel Perumal, Jeffrey B. Hamblin 2013-06-11 $24,362,000
8381306 Translating role-based access control policy to resource authorization policy Dave M. McPherson, Muthukrishnan Paramasivam 2013-02-19 $10,297,000
8302149 Virtual distributed security system Giovanni M. Della-Libera, Christopher G. Kaler, Scott A. Konersmann, Butler W. Lampson, Bradford H. Lovering +4 more 2012-10-30
8266680 Predictive HTTP authentication mode negotiation Rick T. James, Jonathan A. Silvera, Matthew R. Cox, Anil K. Ruia, Anish Desai 2012-09-11 $13,794,000
8230485 Method and system for controlling access privileges for trusted network nodes Sterling Reasor, Ramesh Chinta, John Brezak, Eric Flo 2012-07-24 $20,829,000
8225390 Licensing protected content to application sets Kenneth D. Ray, Pankaj Mohan Kamat, Charles W. Kaufman, William R. Tipton, Andrew Herron +5 more 2012-07-17 $17,052,000
8214641 File access in multi-protocol environment Scott A. Field, Roopesh C. Battepati, Michael C. Johnson 2012-07-03 $17,614,000