Litigation summary

The Google Patents page for US8015006 lists several litigation cases associated with the patent. I will use this as my primary source, supplemented by the general search results, especially from Unified Patents.

Here's the litigation information found for US8015006:

• US case filed in Texas Western District Court

  • Jurisdiction: Texas Western District Court
  • Case Number: 7:25-cv-00061
  • Status: Critical (Current)
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s) and defendant(s) are not explicitly named in this snippet, but the Unified Patents portal (which is a recognized source) typically contains this information upon direct access. The prompt asks for this information if known, but it is not available in the provided snippet.

• US case filed in Virginia Eastern District Court

  • Jurisdiction: Virginia Eastern District Court
  • Case Number: 1:23-cv-00581
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

• PTAB case IPR2025-01335 filed (Not Instituted - Procedural)

  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2025-01335
  • Status: Not Instituted - Procedural
  • Source: Unified Patents PTAB Data
  • Note: Specific petitioner(s) and patent owner are not explicitly named in this snippet, nor is the filing date readily available.

• PTAB case IPR2024-00748 filed (Not Instituted - Merits)

  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2024-00748
  • Status: Not Instituted - Merits
  • Source: Unified Patents PTAB Data
  • Note: Specific petitioner(s) and patent owner are not explicitly named in this snippet, nor is the filing date readily available.

• US case filed in Washington Western District Court

  • Jurisdiction: Washington Western District Court
  • Case Number: 2:26-cv-00810
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

• First worldwide family litigation filed

  • Source: Darts-ip Global patent litigation dataset
  • Note: This entry indicates global family litigation but does not provide specific case details (plaintiff, defendant, jurisdiction, case number, filing date, or outcome/status) for a US case directly tied to US8015006 in the provided snippet. It links to a Darts-ip portal which would have more details.

• US case filed in Texas Western District Court

  • Jurisdiction: Texas Western District Court
  • Case Number: 7:25-cv-00060
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

• US case filed in Texas Eastern District Court

  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:24-cv-01067
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

• US case filed in California Northern District Court

  • Jurisdiction: California Northern District Court
  • Case Number: 3:24-cv-04388
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

• US case filed in Delaware District Court

  • Jurisdiction: Delaware District Court
  • Case Number: 1:23-cv-00378
  • Source: Unified Patents Litigation Data
  • Note: Specific plaintiff(s), defendant(s), filing date, and outcome/current status are not explicitly named in this snippet.

The Google Patents page provides a good overview of related litigation from Unified Patents and Darts-ip. However, it often provides only high-level information like the jurisdiction and case number, without specific plaintiffs, defendants, filing dates, or detailed outcomes directly in the snippet. To get more precise details for each case, I would typically need to navigate to the linked sources (Unified Patents portal, Darts-ip, or PACER) and perform further searches. Since direct interactive browsing of these external sites is not possible within this environment, I will list the information that is available from the provided context.
Given the current constraints and the information provided by the initial search (which points to Google Patents as the primary source for this litigation overview, listing Unified Patents and Darts-ip as sub-sources), I cannot directly access the full details on Unified Patents or PACER to extract the plaintiffs, defendants, and specific filing dates for all listed cases. The provided Google Patents snippet (which is considered authoritative here) only gives jurisdiction, case number, and a general status for most.

Therefore, the response will be based on the information directly extracted from the Google Patents page and its cited Unified Patents information.

It is important to note that the Unified Patents portal offers detailed litigation data, but the current interaction model does not allow for direct, deep-linked extraction of all requested fields for each case from a single initial search snippet.

I will structure the answer with the available information, clearly stating when specific details are not provided in the current search results.Known litigation involving US patent 8015006 includes a number of cases in various US District Courts and before the Patent Trial and Appeal Board (PTAB), as reported by Unified Patents and Darts-ip. The patent, titled "Systems and methods for processing natural language speech utterances with context-specific domain agents," is currently assigned to Dialect LLC.

Here is a list of known litigation cases for US Patent 8015006 with the available details:

1. Texas Western District Court

   • Jurisdiction: Texas Western District Court
   • Case Number: 7:25-cv-00061
   • Status: Critical
   • Plaintiff(s), Defendant(s), and Filing Date are not explicitly provided in the available information.

2. Virginia Eastern District Court

   • Jurisdiction: Virginia Eastern District Court
   • Case Number: 1:23-cv-00581
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

3. PTAB Case IPR2025-01335

   • Jurisdiction: Patent Trial and Appeal Board (PTAB)
   • Case Number: IPR2025-01335
   • Status: Not Instituted - Procedural
   • Plaintiff(s) (Petitioner), Defendant(s) (Patent Owner), and Filing Date are not explicitly provided in the available information.

4. PTAB Case IPR2024-00748

   • Jurisdiction: Patent Trial and Appeal Board (PTAB)
   • Case Number: IPR2024-00748
   • Status: Not Instituted - Merits
   • Plaintiff(s) (Petitioner), Defendant(s) (Patent Owner), and Filing Date are not explicitly provided in the available information.

5. Washington Western District Court

   • Jurisdiction: Washington Western District Court
   • Case Number: 2:26-cv-00810
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

6. Texas Western District Court

   • Jurisdiction: Texas Western District Court
   • Case Number: 7:25-cv-00060
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

7. Texas Eastern District Court

   • Jurisdiction: Texas Eastern District Court
   • Case Number: 2:24-cv-01067
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

8. California Northern District Court

   • Jurisdiction: California Northern District Court
   • Case Number: 3:24-cv-04388
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

9. Delaware District Court

   • Jurisdiction: Delaware District Court
   • Case Number: 1:23-cv-00378
   • Plaintiff(s), Defendant(s), Filing Date, and Outcome/Current Status are not explicitly provided in the available information.

Additionally, the Google Patents information indicates "First worldwide family litigation filed" sourced from the "Global patent litigation dataset” by Darts-ip, which suggests broader litigation beyond the US, but specific details for US8015006 from this global entry are not provided in the snippet.