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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Jason Jay Lacoss-Arnold

This inventor holds 27 USPTO granted patents and 9 published patent applications, primarily in Payment Card Security. Top assignee: Mastercard International Incorporated. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jason Jay Lacoss-Arnold. Retrieved from https://idiyas.com/inventor/jason-jay-lacoss-arnold

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

USPTO Granted Patents = 27 

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Saint Louis, MO (US) (2018 - 2024)
  • St. Louis, MO (US) (2018 - 2024)

Company Filing History:

goldMedal27 out of 2,475 
 
Mastercard International Incorporated
 patents

Years Active: 2018-2025

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Areas of Expertise:
Payment Card Security
Blockchain Transactions
Session Management
User Authentication
Merchant Terminal Location
Compromised Payment Detection
Account Controls
Text-to-Speech Pronunciation
27 patents (USPTO):Explore Patents
1. 12423699 - Systems and methods for pre-authenticating a user of a payment card over a network (2025-09-23),
2. 12282915 - Method and system for anonymous directed blockchain transaction (2025-04-21),
3. 11997188 - Method and system for HTTP session management using hash chains (2024-05-28),
4. 11989789 - Systems and methods for locating merchant terminals based on transaction data (2024-05-21),
5. 11978045 - Method and system for anonymous directed blockchain transaction (2024-05-07),
6. 11935023 - Extended-length payment account issuer identification numbers (2024-03-19),
7. 11893549 - Systems and methods for detecting potentially compromised payment cards (2024-02-06),
8. 11803851 - Systems and methods for identifying payment accounts to segments (2023-10-31),
9. 11720895 - Systems and methods for use in facilitating network messaging (2023-08-08),
10. 11621826 - Method and system for HTTP session management using hash chains (2023-04-04),
11. 11416947 - Systems and methods for locating merchant terminals based on transaction data (2022-08-16),
12. 11403637 - Systems and methods for pre-authenticating a user of a payment card over a network (2022-08-02),
13. 11276067 - Systems and methods for detecting compromised automated teller machines (2022-03-15),
14. 11257092 - Systems and methods for use in implementing account controls (2022-02-22),
15. 11238445 - Primary account number (PAN) length issuer identifier in payment account number data field of a transaction authorization request message (2022-02-01),

Title: Innovations and Contributions of Jason Jay Lacoss-Arnold

Introduction

Jason Jay Lacoss-Arnold, based in St. Louis, MO, has made significant strides in the field of technology with a remarkable portfolio of 25 patents. His work primarily focuses on enhancing online transaction security and improving location services for merchant terminals, demonstrating his innovative spirit and technical expertise.

Latest Patents

Among his latest patents, the first is titled "Method and System for HTTP Session Management Using Hash Chains." This patent outlines a sophisticated method for authenticating client devices using hash chains, which involves receiving data requests and generating validating hash values to ensure secure communication. This innovation greatly contributes to securing user data during online transactions.

Another notable patent is "Systems and Methods for Locating Merchant Terminals Based on Transaction Data." This technology allows for the effective location of merchant terminals by accessing interaction data and matching it with location data based on temporal indicators. This system enhances the ability to track and analyze user interactions in real-time, benefiting both merchants and users.

Career Highlights

Jason is currently employed at Mastercard International Incorporated, where he continues to push the boundaries of technology in the financial sector. His expertise in developing secure and efficient transaction methodologies has made a significant impact on how companies engage with their customers.

Collaborations

Throughout his career, Jason has collaborated with esteemed colleagues, including Jeffrey L Altemueller and Ganesh L Iyer. These partnerships have facilitated the exchange of ideas and fostered an environment of innovative development, leading to the successful implementation of various technologies in their field.

Conclusion

In summary, Jason Jay Lacoss-Arnold exemplifies the role of an innovative inventor, continually contributing to advancements in technology through his patents and collaborations. His work not only enhances the security of online transactions but also streamlines the process of locating merchant terminals, showcasing his commitment to improving technology for a better user experience.

Profile summary based on public USPTO records.
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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