% Expired Patents = 20.0

EPO Patents = 1

Forward Citations = 199

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9 inventors (with patents filed for the assignee):

Johan Emil Viktor Björsell (8 out of 23 patents)

Maksym Sobolyev (4 out of 9 patents)

Pentti Kalevi Huttunen (3 out of 6 patents)

4. Fuad Arafa (3 out of 10 patents)

5. Gavin Malcolm McMillan (2 out of 4 patents)

6. Clay Perreault (2 out of 8 patents)

7. Steve Nicholson (2 out of 8 patents)

8. Rod Thomson (2 out of 8 patents)

9. Emil Malak (1 out of 2 patents)

10 patents: Sort by Forward Citations

1. 9179005 - Producing routing messages for voice over IP communications (2015-11-03),

2. 9154417 - Uninterrupted transmission of internet protocol transmissions during endpoint changes (2015-10-06),

3. 9143608 - Intercepting voice over IP communications and other data communications (2015-09-22),

4. 9137385 - Determining a time to permit a communications session to be conducted (2015-09-15),

5. 8774378 - Allocating charges for communications services (2014-07-08),

6. 8675566 - Uninterrupted transmission of internet protocol transmissions during endpoint changes (2014-03-18),

7. 8630234 - Mobile gateway (2014-01-14),

8. 8542815 - Producing routing messages for voice over IP communications (2013-09-24),

9. 8537805 - Emergency assistance calling for voice over IP communications systems (2013-09-17),

10. 8422507 - Intercepting voice over IP communications and other data communications (2013-04-16),

Company Overview

Digifonica (International) Limited is a technology company based in Vancouver, Canada, specializing in advanced telecommunications solutions. The organization focuses on developing innovative voice and data communication systems, enhancing connectivity and user experience across various platforms. With a commitment to research and development, Digifonica aims to push the boundaries of digital communication technologies, serving a diverse clientele in both local and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#95 in Vancouver

#1,523 in Canada

#56,047 in the World

Vancouver, Canada

Digifonica (International) Limited

Forward Citations = 199

9 inventors:

Johan Emil Viktor Björsell (8 out of 23 patents)

Maksym Sobolyev (4 out of 9 patents)

Pentti Kalevi Huttunen (3 out of 6 patents)

4. Fuad Arafa (3 out of 10 patents)

5. Gavin Malcolm McMillan (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Digifonica (International) Limited. Retrieved from https://idiyas.com/company/digifonica-international

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]

1 patent (EPO):

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]