% Expired Patents = 60.0

EPO Patents = 1

Trademarks = 12

Forward Citations = 5

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12 inventors (with patents filed for the assignee):

Amit Chandrakant Agrawal (2 out of 9 patents)

Rohit Vaishampayan (2 out of 2 patents)

Ashutosh (2 out of 2 patents)

4. Herbert B Rubens (1 out of 3 patents)

5. Artur Zak (1 out of 1 patent)

6. Garware Bhushan Chandrashekhar (1 out of 1 patent)

7. Abhyankar Aditya Shankar (1 out of 1 patent)

8. Kelkar Shubhangi Uday (1 out of 1 patent)

9. Prashanth Patnam (1 out of 1 patent)

10. Jitendra Gokhale (1 out of 1 patent)

11. Ajay Deshpande (1 out of 2 patents)

12. Vinod Kulkarni (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 10020834 - Radio over internet protocol devices and methods for interoperability with land mobile radio devices (2018-07-10),

2. 9734384 - Method and a system for matching fingerprint images obtained from different fingerprint image capturing devices (2017-08-15),

3. 9281963 - Method and system for email search (2016-03-08),

4. 8332347 - System and method for inferring a network of associations (2012-12-11),

5. 8200589 - System and method for network association inference, validation and pruning based on integrated constraints from diverse data (2012-06-12),

Company Overview

Persistent Systems Limited is a global technology and software services company specializing in digital transformation. They provide innovative solutions in areas such as cloud computing, data analytics, and Internet of Things. With over 30 years of experience, Persistent Systems offers a wide range of services to help businesses streamline their operations and improve customer experiences.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#9 in

#310 in India

IN

Persistent Systems Limited

Forward Citations = 5

12 inventors:

Amit Chandrakant Agrawal (2 out of 9 patents)

Rohit Vaishampayan (2 out of 2 patents)

Ashutosh (2 out of 2 patents)

4. Herbert B Rubens (1 out of 3 patents)

5. Artur Zak (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Persistent Systems Limited. Retrieved from https://idiyas.com/company/persistent-systems

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]