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For the Inventor, By the Inventor

Toronto, Canada

Diversinet Corp.

USPTO Granted Patents = 12

% Expired Patents = 25.0


Forward Citations = 427

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12 inventors (with patents filed for the assignee):

goldMedal Salah Machani (5 out of 34 patents)

silverMedal Konstantin Teslenko (2 out of 3 patents)

bronzeMedal Mordhay Barkan (2 out of 2 patents)

4.  Stephen M Ansell (2 out of 2 patents)

5.  Michael Andrew Wildish (2 out of 2 patents)

6.  Michael C Crerar (2 out of 2 patents)

7.  Jun Sun (1 out of 1 patent)

8.  J Stuart Vaeth (1 out of 3 patents)

9.  Mordehay Barkan (1 out of 1 patent)

10.  Nir Barkan (1 out of 1 patent)

11.  Moromay Barkan (1 out of 1 patent)

12.  Yuval Barkan (1 out of 1 patent)

13.  Farhad Pezeshki (6 patents)

14.  Michael Cameron Crerar (0 patent)

15.  Steven M Ansell (0 patent)


12 patents:

1. 8560849 - Method and system for secure communication using hash-based message authentication codes (2013-10-15),
2. 8549602 - System and method for handling permits for user authentication tokens (2013-10-01),
3. 8341712 - Method and system for authenticating a user of a mobile device (2012-12-25),
4. 8130961 - Method and system for client-server mutual authentication using event-based OTP (2012-03-06),
5. 8051297 - Method for binding a security element to a mobile device (2011-11-01),
6. 7680755 - Automatic detection and classification of a mobile device (2010-03-16),
7. 7555460 - Payment system and method using tokens (2009-06-30),
8. 7383434 - System and method of looking up and validating a digital certificate in one pass (2008-06-03),
9. 7249371 - Communications system and method (2007-07-24),
10. 7103774 - Method of establishing secure communications in a digital network using pseudonymic digital identifiers (2006-09-05),
11. 6216116 - System and method for handling permits (2001-04-10),
12. 5864667 - Method for safe communications (1999-01-26),
Company Overview
Diversinet Corp. is a technology company based in Toronto, specializing in secure mobile health solutions. The organization focuses on developing innovative platforms that enable healthcare providers and patients to communicate effectively while ensuring the privacy and security of sensitive health information. With a strong emphasis on mobile technology, Diversinet aims to enhance patient engagement and streamline healthcare processes, contributing to the evolving landscape of digital health and telemedicine.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#133 in Toronto

#1,266 in Canada

#48,209 in the World

Toronto, CA
Toronto, Canada

Diversinet Corp.

Forward Citations = 427

12 inventors:

goldMedal Salah Machani (5 out of 34 patents)

silverMedal Konstantin Teslenko (2 out of 3 patents)

bronzeMedal Mordhay Barkan (2 out of 2 patents)

4.  Stephen M Ansell (2 out of 2 patents)

5.  Michael Andrew Wildish (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diversinet Corp.. Retrieved from https://idiyas.com/company/diversinet

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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