For the Inventor, By the Inventor

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Redwood City, CA, United States of America

Tumbleweed Communications Corp.

USPTO Granted Patents = 23

% Expired Patents = 4.3

Forward Citations = 3,685

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15 inventors (with patents filed for the assignee):

Jeffrey Christopher Smith (14 out of 83 patents)

Jean-Christophe Denis Bandini (14 out of 27 patents)

Robert D Dickinson, Iii (3 out of 8 patents)

4. Sathvik Krishnamurthy (3 out of 12 patents)

5. Daryl Odnert (2 out of 12 patents)

6. Dmitry Dolinsky (2 out of 11 patents)

7. Paul Carl Kocher (2 out of 73 patents)

8. David Alexander Jevans (1 out of 34 patents)

9. Scott Loughmiller (1 out of 2 patents)

10. Mike Olson (1 out of 2 patents)

11. Jeff Ready (1 out of 2 patents)

12. Ehren Maedge (1 out of 2 patents)

13. Phil White (1 out of 2 patents)

14. Jason Collier (1 out of 2 patents)

15. Randy Shoup (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 7401356 - Method and system for e-mail message transmission (2008-07-15),

2. 7389413 - Method and system for filtering communication (2008-06-17),

3. 7380274 - E-mail firewall (2008-05-27),

4. 7356834 - Solicited authentication of a specific user (2008-04-08),

5. 7257564 - Dynamic message filtering (2007-08-14),

6. 7162738 - E-mail firewall with stored key encryption/decryption (2007-01-09),

7. 7127741 - Method and system for e-mail message transmission (2006-10-24),

8. 7117358 - Method and system for filtering communication (2006-10-03),

9. 7073056 - Apparatus and method for demonstrating and confirming the status of digital certificates and other data (2006-07-04),

10. 6912285 - Mechanism for efficient private bulk messaging (2005-06-28),

11. 6901509 - Apparatus and method for demonstrating and confirming the status of a digital certificates and other data (2005-05-31),

12. 6826609 - Policy enforcement in a secure data file delivery system (2004-11-30),

13. 6725381 - Solicited authentication of a specific user (2004-04-20),

14. 6609196 - E-mail firewall with stored key encryption/decryption (2003-08-19),

15. 6529956 - Private, trackable URLs for directed document delivery (2003-03-04),

Company Overview

Tumbleweed Communications Corp. specializes in secure messaging and data exchange solutions, focusing on enhancing digital communication for businesses. The company develops technologies that facilitate secure file transfer, electronic document delivery, and identity verification, catering to industries that prioritize data security and compliance. Headquartered in Redwood City, California, Tumbleweed plays a significant role in the evolving landscape of secure communications, addressing the growing need for robust data protection in an increasingly digital world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

23 Patents

#86 in Redwood City, CA

#3,421 in California

#14,438 in US

#27,714 in the World

Redwood City, CA, United States of America

Tumbleweed Communications Corp.

Forward Citations = 3,685

15 inventors:

Jeffrey Christopher Smith (14 out of 83 patents)

Jean-Christophe Denis Bandini (14 out of 27 patents)

Robert D Dickinson, Iii (3 out of 8 patents)

4. Sathvik Krishnamurthy (3 out of 12 patents)

5. Daryl Odnert (2 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tumbleweed Communications Corp.. Retrieved from https://idiyas.com/company/tumbleweed-communications

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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