For the Inventor, By the Inventor

Enter assignee name

Cambridge, MA, United States of America

Corestreet, Ltd.

USPTO Granted Patents = 20

% Expired Patents = 65.0

CIPO Patents = 1

EPO Patents = 3

Forward Citations = 665

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7 inventors (with patents filed for the assignee):

Silvio Micali (15 out of 63 patents)

Phil Libin (14 out of 81 patents)

David Engberg (10 out of 17 patents)

4. Alex Sinelnikov (4 out of 5 patents)

5. Leo Reyzin (2 out of 3 patents)

6. Brandon Volbright (2 out of 3 patents)

7. John J McGeachie (1 out of 3 patents)

20 patents: Sort by Forward Citations

1. 8707030 - Distributed delegated path discovery and validation (2014-04-22),

2. 8327149 - Efficient and secure data currentness systems (2012-12-04),

3. 8319606 - Universal validation module for access control systems (2012-11-27),

4. 8261319 - Logging access attempts to an area (2012-09-04),

5. 8171524 - Physical access control (2012-05-01),

6. 8099603 - Secure ID checking (2012-01-17),

7. 8015597 - Disseminating additional data used for controlling access (2011-09-06),

8. 7966487 - Communication-efficient real time credentials for OCSP and distributed OCSP (2011-06-21),

9. 7827401 - Efficient certificate revocation (2010-11-02),

10. 7822989 - Controlling access to an area (2010-10-26),

11. 7716486 - Controlling group access to doors (2010-05-11),

12. 7660994 - Access control (2010-02-09),

13. 7657751 - Efficient and secure data currentness systems (2010-02-02),

14. 7616091 - Actuating a security system using a wireless device (2009-11-10),

15. 7600129 - Controlling access using additional data (2009-10-06),

Corestreet, Ltd. is a technology company based in Cambridge, MA, specializing in advanced identity management solutions. The organization focuses on developing secure and scalable systems for identity verification and credentialing, primarily serving government and enterprise sectors. Corestreet's innovative approaches enhance security protocols and streamline processes, ensuring reliable identity assurance in various applications. Their expertise spans across digital identity, access control, and secure communications, contributing to safer environments in both physical and digital realms.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Corestreet, Ltd.

20 Patents

#137 in Cambridge, MA

#982 in Massachusetts

#16,368 in US

#31,196 in the World

Cambridge, MA, United States of America

Corestreet, Ltd.

Forward Citations = 665

7 inventors:

Silvio Micali (15 out of 63 patents)

Phil Libin (14 out of 81 patents)

David Engberg (10 out of 17 patents)

4. Alex Sinelnikov (4 out of 5 patents)

5. Leo Reyzin (2 out of 3 patents)

Please report any incorrect information to [email protected]

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