David Samuel Tax

This inventor holds 100 USPTO granted patents and 47 published patent applications, plus 56 CIPO patents, primarily in Data Security Management (CPC class H04L63-102). Top assignee: The Toronto-Dominion Bank. Active years: 2020-2026.

USPTO Granted Patents = 100 (Patent Applications = 47)

% Patents Active = 97.0

CIPO Patents = 56 (Patent Applications = 54)

Average Co-Inventor Count = 5.2

ph-index = 7

Forward Citations = 205(Granted Patents)

Forward Citations (Not Self Cited) = 35(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

100 out of 894

The Toronto-Dominion Bank

patents

Years Active: 2020-2026

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Areas of Expertise:

Data Transfer

Authentication

Smart Contracts

Touchless Payments

Consent Protocols

Resource Management

Fraud Alerts

Digital Tokens

Biometric Security

Access Control

Real-Time Processing

Data Sharing

100 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12651080 - Systems and methods for controlling access to software features (2026-06-09),

2. 12645488 - System and method for efficient data transfers within a distributed ledger technology (DLT) network (2026-06-02),

3. 12597032 - Restricted item eligibility control at ambient commerce premises (2026-04-07),

4. 12547777 - Smart contract configuration using unstructured data (2026-02-10),

5. 12518270 - Method and system for completing a data transfer (2026-01-06),

6. 12505429 - Authentication using non-fungible token as proof of account ownership (2025-12-23),

7. 12450582 - Enabling feature based on a sensed condition at ambient commerce premises (2025-10-21),

8. 12443929 - Check-based initiation of electronic transfers (2025-10-14),

9. 12430629 - Initiating split data transfers at a terminal (2025-09-30),

10. 12407511 - Dynamic implementation and management of hash-based consent and permissioning protocols (2025-09-02),

11. 12395491 - Systems and methods for authenticating end users of a web service (2025-08-19),

12. 12335169 - Systems and methods for locking in offsets associated with resource requests (2025-06-17),

13. 12323535 - Dynamic management and implementation of consent and permissioning protocols using container-based applications (2025-06-03),

14. 12316645 - System and methods for secure processing of real-time resource transfers (2025-05-27),

15. 12277546 - Touchless payments at point-of-sale terminals (2025-04-14),

Article Title: Unveiling David Samuel Tax: The Innovative Inventor from Toronto

Introduction:

David Samuel Tax, a prolific inventor based in Toronto, Canada, has made significant contributions to the field of ambient commerce and data security through his inventive patents. With an impressive portfolio of 75 patents under his belt, Tax continues to push the boundaries of technology and innovation.

Latest Patents:

Two of Tax's recent patents showcase his expertise in cutting-edge technologies. The first patent, "Restricted Item Eligibility Control at Ambient Commerce Premises," introduces an innovative ambient commerce system that enhances customer experience and security. The system utilizes sensors, processors, and memory to detect engagement with restricted items, determine eligibility, and notify the entity accordingly.

The second patent, "Systems and Methods for Detecting Changes in Data Access Pattern of Third-Party Applications," focuses on evaluating the security of third-party applications. By monitoring data access signatures and detecting changes, this method enhances user awareness and protection against unauthorized access.

Career Highlights:

David Samuel Tax is recognized for his exemplary work at The Toronto-Dominion Bank, where he applies his inventive skills to drive technological advancements in the banking sector. His innovative mindset and dedication to enhancing security measures have undoubtedly positioned him as a leader in the industry.

Collaborations:

Within the dynamic environment of innovation, Tax collaborates with esteemed colleagues such as Milos Dunjic and Arthur Carroll Chow. Together, they work towards developing cutting-edge solutions that redefine industry standards and cater to evolving customer needs.

Conclusion:

In conclusion, David Samuel Tax's remarkable journey as an inventor underscores his unwavering commitment to innovation and technological advancement. His groundbreaking patents not only showcase his ingenuity but also pave the way for future advancements in ambient commerce and data security. Tax's contributions continue to inspire and shape the landscape of innovation in Toronto and beyond.