Patents by Inventor Jan Stadermann

Jan Stadermann 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).

  • Patent number: 12619666
    Abstract: Integrated document scoring and prioritization systems and methods for enhanced document review in e-discovery are disclosed herein. An example includes combining a first vector of scores from one algorithm and a second vector of scores from another algorithm, both corresponding to a set of documents. Ground truth labels indicating document responsiveness are also acquired. A system calculates blending weights through a supervised learning algorithm, considering the scores and ground truth labels. These weights are then employed to combine the vector scores, yielding final ranking scores for each document. The system culminates in the creation of a sorted document list, where documents with higher final ranking scores are prioritized, signifying their increased relevance within the dataset.
    Type: Grant
    Filed: May 17, 2024
    Date of Patent: May 5, 2026
    Assignee: Open Text Inc.
    Inventor: Jan Stadermann
  • Publication number: 20250355949
    Abstract: Integrated document scoring and prioritization systems and methods for enhanced document review in e-discovery are disclosed herein. An example includes combining a first vector of scores from one algorithm and a second vector of scores from another algorithm, both corresponding to a set of documents. Ground truth labels indicating document responsiveness are also acquired. A system calculates blending weights through a supervised learning algorithm, considering the scores and ground truth labels. These weights are then employed to combine the vector scores, yielding final ranking scores for each document. The system culminates in the creation of a sorted document list, where documents with higher final ranking scores are prioritized, signifying their increased relevance within the dataset.
    Type: Application
    Filed: May 17, 2024
    Publication date: November 20, 2025
    Inventor: Jan Stadermann
  • Publication number: 20250286850
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages; determining a set of models that model the set of time gaps, selecting an optimum model from the set of models; based on selecting the single Gaussian distribution as the optimum model, determining that the electronic chat comprises a single electronic chat, and storing the set of electronic chat messages as the single electronic chat.
    Type: Application
    Filed: May 23, 2025
    Publication date: September 11, 2025
    Inventor: Jan Stadermann
  • Publication number: 20250252255
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving, by an electronic discovery system, an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages, based on selecting a Gaussian mixture model as a model of the time gaps, splitting the set of electronic chat message into a set of conversations based on the Gaussian mixture model; performing a text analysis on the set of conversations based on a chat subject matter identified in the set of electronic chat messages; and splitting the set of conversations based on the chat subject matter.
    Type: Application
    Filed: April 23, 2025
    Publication date: August 7, 2025
    Inventor: Jan Stadermann
  • Patent number: 12341741
    Abstract: Systems, methods, and computer program products for electronic chat production are provided. One embodiment includes receiving an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages; determining a set of models that model the set of time gaps, selecting an optimum model from the set of models; based on selecting the single Gaussian distribution as the optimum model, determining that the electronic chat comprises a single electronic chat, and storing the set of electronic chat messages as the single electronic chat.
    Type: Grant
    Filed: May 15, 2023
    Date of Patent: June 24, 2025
    Assignee: OPEN TEXT HOLDINGS, INC.
    Inventor: Jan Stadermann
  • Patent number: 12314658
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving, by an electronic discovery system, an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages, based on selecting a Gaussian mixture model as a model of the time gaps, splitting the set of electronic chat message into a set of conversations based on the Gaussian mixture model; performing a text analysis on the set of conversations based on a chat subject matter identified in the set of electronic chat messages; and splitting the set of conversations based on the chat subject matter.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: May 27, 2025
    Assignee: Open Text Holdings, Inc.
    Inventor: Jan Stadermann
  • Publication number: 20250055824
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. An e-discovery system comprises a computer processor and a non-transitory, computer-readable medium embodying thereon a set of computer instructions executable by the computer processor. The set of computer instructions includes instructions for: sending a chat query to a remote electronic chat service; receiving an electronic chat responsive to the chat query, the electronic chat embodying a set of electronic chat messages; adaptively splitting the set of electronic chat messages into a set of conversations, each conversation in the set of conversations comprising a subset of electronic chat messages from the set of electronic chat messages; and storing each conversation from the set of conversations as a separate document.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 13, 2025
    Inventor: Jan Stadermann
  • Patent number: 12177178
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. An e-discovery system comprises a computer processor and a non-transitory, computer-readable medium embodying thereon a set of computer instructions executable by the computer processor. The set of computer instructions includes instructions for: sending a chat query to a remote electronic chat service; receiving an electronic chat responsive to the chat query, the electronic chat embodying a set of electronic chat messages; adaptively splitting the set of electronic chat messages into a set of conversations, each conversation in the set of conversations comprising a subset of electronic chat messages from the set of electronic chat messages; and storing each conversation from the set of conversations as a separate document.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: December 24, 2024
    Assignee: Open Text Holdings, Inc.
    Inventor: Jan Stadermann
  • Publication number: 20230291703
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages; determining a set of models that model the set of time gaps, selecting an optimum model from the set of models; based on selecting the single Gaussian distribution as the optimum model, determining that the electronic chat comprises a single electronic chat, and storing the set of electronic chat messages as the single electronic chat.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 14, 2023
    Inventor: Jan Stadermann
  • Patent number: 11700224
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving, by an electronic discovery system executing on a computer processor, an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages; determining a set of models that model the set of time gaps, selecting an optimum model from the set of models; based on selecting the single Gaussian distribution as the optimum model, determining that the electronic chat comprises a single electronic chat message or based on selecting the Gaussian mixture model as the optimum model, performing an adaptive splitting of the set of electronic chat messages into a set of conversations based on the Gaussian mixture model.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: July 11, 2023
    Assignee: OPEN TEXT HOLDINGS, INC.
    Inventor: Jan Stadermann
  • Publication number: 20230179558
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. An e-discovery system comprises a computer processor and a non-transitory, computer-readable medium embodying thereon a set of computer instructions executable by the computer processor. The set of computer instructions includes instructions for: sending a chat query to a remote electronic chat service; receiving an electronic chat responsive to the chat query, the electronic chat embodying a set of electronic chat messages; adaptively splitting the set of electronic chat messages into a set of conversations, each conversation in the set of conversations comprising a subset of electronic chat messages from the set of electronic chat messages; and storing each conversation from the set of conversations as a separate document.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 8, 2023
    Inventor: Jan Stadermann
  • Patent number: 11595337
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. An e-discovery system comprises a computer processor and a non-transitory, computer-readable medium embodying thereon a set of computer instructions executable by the computer processor. The set of computer instructions includes instructions for: sending a chat query to a remote electronic chat service; receiving an electronic chat responsive to the chat query, the electronic chat embodying a set of electronic chat messages; adaptively splitting the set of electronic chat messages into a set of conversations, each conversation in the set of conversations comprising a subset of electronic chat messages from the set of electronic chat messages; and storing each conversation from the set of conversations as a separate document.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: February 28, 2023
    Assignee: Open Text Holdings, Inc.
    Inventor: Jan Stadermann
  • Publication number: 20230016925
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. An e-discovery system comprises a computer processor and a non-transitory, computer-readable medium embodying thereon a set of computer instructions executable by the computer processor. The set of computer instructions includes instructions for: sending a chat query to a remote electronic chat service; receiving an electronic chat responsive to the chat query, the electronic chat embodying a set of electronic chat messages; adaptively splitting the set of electronic chat messages into a set of conversations, each conversation in the set of conversations comprising a subset of electronic chat messages from the set of electronic chat messages; and storing each conversation from the set of conversations as a separate document.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 19, 2023
    Inventor: Jan Stadermann
  • Publication number: 20230019526
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving, by an electronic discovery system executing on a computer processor, an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages; determining a set of models that model the set of time gaps, selecting an optimum model from the set of models; based on selecting the single Gaussian distribution as the optimum model, determining that the electronic chat comprises a single electronic chat message or based on selecting the Gaussian mixture model as the optimum model, performing an adaptive splitting of the set of electronic chat messages into a set of conversations based on the Gaussian mixture model.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 19, 2023
    Inventor: Jan Stadermann
  • Publication number: 20230015667
    Abstract: Systems, methods, and computer program products for adaptively splitting electronic chats are provided. One embodiment includes receiving, by an electronic discovery system, an electronic chat comprising a set of electronic chat messages, each of the electronic chat messages in the set of electronic chat messages having a timestamp; determining a set of time gaps between the electronic chat messages from the set of electronic chat messages, based on selecting a Gaussian mixture model as a model of the time gaps, splitting the set of electronic chat message into a set of conversations based on the Gaussian mixture model; performing a text analysis on the set of conversations based on a chat subject matter identified in the set of electronic chat messages; and splitting the set of conversations based on the chat subject matter.
    Type: Application
    Filed: July 29, 2021
    Publication date: January 19, 2023
    Inventor: Jan Stadermann
  • Patent number: 11048762
    Abstract: Provided herein are systems and methods for user-defined automated document feature modeling, extraction and optimization. In the present disclosure, an end user of an automated document review system can customize and create new data models applicable to a set of focus documents. In addition, an end user of the automated document review system can customize and create new extraction rules applicable to text extraction from the set of focus documents. The user-defined edits to the data model and extraction rules can be further tested in a staging environment, and tested against a ground truth set of documents, before being widely applied to other relevant documents.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: June 29, 2021
    Assignee: Open Text Holdings, Inc.
    Inventors: Jan Puzicha, Jan Stadermann, Chaitanya Muppala, Sangeetha Yanamandra, Ketan Deshpande
  • Patent number: 10762142
    Abstract: Provided herein are systems and methods for user-defined automated document feature modeling, extraction and optimization. In the present disclosure, an end user of an automated document review system can customize and create new extractor taggers within data models applicable to a set of focus documents. The user-defined edits to the extractor taggers can be further tested in a staging environment, and tested against a ground truth set of documents, before being widely applied to other relevant documents.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: September 1, 2020
    Assignee: Open Text Holdings, Inc.
    Inventors: Jan Puzicha, Jan Stadermann, Chaitanya Muppala, Sangeetha Yanamandra, Ketan Deshpande
  • Patent number: 10755093
    Abstract: Systems, methods, and media for extracting and processing entity data included in an electronic document are provided herein. Methods may include executing one or more extractors to extract entity data within an electronic document based upon an extraction model for the document, selecting extracted entity data via one or more experts, each of the experts applying at least one business rule to organize at least a portion of the selected entity data into a desired format, and providing the organized entity data for use by an end user.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: August 25, 2020
    Assignee: Open Text Holdings, Inc.
    Inventors: Jan Stadermann, Denis Jager, Uri Zernik
  • Publication number: 20190286667
    Abstract: Provided herein are systems and methods for user-defined automated document feature modeling, extraction and optimization. In the present disclosure, an end user of an automated document review system can customize and create new data models applicable to a set of focus documents. In addition, an end user of the automated document review system can customize and create new extraction rules applicable to text extraction from the set of focus documents. The user-defined edits to the data model and extraction rules can be further tested in a staging environment, and tested against a ground truth set of documents, before being widely applied to other relevant documents.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 19, 2019
    Inventors: Jan Puzicha, Jan Stadermann, Chaitanya Muppala, Sangeetha Yanamandra, Ketan Deshpande
  • Publication number: 20190286668
    Abstract: Provided herein are systems and methods for user-defined automated document feature modeling, extraction and optimization. In the present disclosure, an end user of an automated document review system can customize and create new extractor taggers within data models applicable to a set of focus documents. The user-defined edits to the extractor taggers can be further tested in a staging environment, and tested against a ground truth set of documents, before being widely applied to other relevant documents.
    Type: Application
    Filed: April 29, 2019
    Publication date: September 19, 2019
    Inventors: Jan Puzicha, Jan Stadermann, Chaitanya Muppala, Sangeetha Yanamandra, Ketan Deshpande