Patents by Inventor Stefan K. Karaivanov

Stefan K. Karaivanov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SYSTEMS AND METHODS FOR SUBSTITUTE LOW-VALUE TOKENS IN SECURE NETWORK TRANSACTIONS
    Publication number: 20230298012
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Inventor: Stefan K. KARAIVANOV
  • Systems and methods for substitute low-value tokens in secure network transactions
    Patent number: 11699149
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: July 11, 2023
    Assignee: Worldpay, LLC
    Inventor: Stefan K. Karaivanov
  • SYSTEMS AND METHODS FOR SUBSTITUTE LOW-VALUE TOKENS IN SECURE NETWORK TRANSACTIONS
    Publication number: 20220108306
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventor: Stefan K. KARAIVANOV
  • Systems and methods for substitute controlled-use tokens in secure network transactions
    Patent number: 11238446
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: February 1, 2022
    Assignee: Worldpay, LLC
    Inventor: Stefan K. Karaivanov
  • SYSTEM AND METHOD FOR MANAGING MERCHANT TERMS AND CONDITIONS APPLICABLE TO A PAYMENT TRANSACTION
    Publication number: 20210217003
    Abstract: Systems and methods are provided for managing a merchant's set of terms and conditions that are applicable to a payment vehicle transaction. When a chargeback for the payment vehicle transaction is initiated and disputed, the applicable set of terms and conditions can be transmitted to an issuer financial institution on behalf of the merchant as part of the dispute process.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 15, 2021
    Applicant: Worldpay, LLC
    Inventors: Stefan K. Karaivanov, Thomas E. RAFFERTY
  • System and method for managing merchant terms and conditions applicable to a payment transaction
    Patent number: 10997593
    Abstract: Systems and methods are provided for managing a merchant's set of terms and conditions that are applicable to a payment vehicle transaction. When a chargeback for the payment vehicle transaction is initiated and disputed, the applicable set of terms and conditions can be transmitted to an issuer financial institution on behalf of the merchant as part of the dispute process.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: May 4, 2021
    Assignee: Worldpay, LLC
    Inventors: Stefan K. Karaivanov, Thomas E. Rafferty
  • SYSTEMS AND METHODS FOR SUBSTITUTE CONTROLLED-USE TOKENS IN SECURE NETWORK TRANSACTIONS
    Publication number: 20200126072
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventor: Stefan K. Karaivanov
  • Systems and methods for substitute low-value tokens in secure network transactions
    Patent number: 10546292
    Abstract: Methods and systems are disclosed for enabling the creation of substitute low-value token creation, comprising providing software content to a content delivery network wherein, when transmitted to a user browser, the software content is configured to enable the user browser to create a substitute low-value token if a token service is unavailable, wherein the content delivery network is configured to provide the software content to at least one user browser, and receiving the substitute low-value token from a merchant system, the substitute low-value token having been generated by the user browser in response to the user browser being unable to obtain a low-value token from the token service.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: January 28, 2020
    Assignee: Worldpay, LLC
    Inventor: Stefan K. Karaivanov