Patent 7370035

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (1)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

  • IPR2025-00253IPRfiled Dec 19, 2024vs. Microsoft Corporation et al.Final Written Decision

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Cases on file (1)

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Specific litigation cases in our database that name US patent 7370035. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

As of April 26, 2026, the following litigation involving US patent 7370035 is known:

1. District Court Litigation:

  • Plaintiff(s): X1 Discovery, Inc.
  • Defendant(s): Microsoft Corporation, Acer America Corporation, Acer Inc., ASUS Computer International, ASUSTeK Computer, Inc., Dell (Chengdu) Company Limited, Dell Products LP, and Dell Technologies Inc.
  • Jurisdiction: Central District of California
  • Case Number: 8:23-cv-02415
  • Filing Date: December 19, 2023 (First Amended Complaint)
  • Outcome or Current Status: This case involves US patent 7370035, along with related U.S. Patent Nos. 9,633,139 and 10,552,490. The case was stayed as of March 1, 2024. The '035 patent is noted to have expired on October 1, 2023.

2. Patent Trial and Appeal Board (PTAB) Inter Partes Review (IPR):

  • Petitioner: Microsoft Corporation
  • Patent Owner: X1 Discovery, Inc.
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2025-00253
  • Filing Date: (The specific filing date of the IPR petition is not provided in the snippets, but the associated district court case was filed in late 2023, and the IPR itself is IPR2025-00253, indicating a 2025 filing).
  • Outcome or Current Status: Pending - Instituted. This IPR challenges claims 1-20 of US patent 7370035. Microsoft has also concurrently challenged the '139 and '490 patents in IPR2025-00255 and IPR2025-00254, respectively.As of April 26, 2026, known litigation involving US patent 7370035 includes:

1. District Court Litigation:

  • Plaintiff(s): X1 Discovery, Inc.
  • Defendant(s): Microsoft Corporation, Acer America Corporation, Acer Inc., ASUSTeK Computer, Inc., ASUS Computer International, Dell (Chengdu) Company Limited, Dell Products LP, and Dell Technologies Inc.
  • Jurisdiction: Central District of California
  • Case Number: 8:23-cv-02415
  • Filing Date: December 19, 2023 (First Amended Complaint)
  • Outcome or Current Status: This case involves US patent 7370035, and related U.S. Patent Nos. 9,633,139 and 10,552,490. The case was stayed as of March 1, 2024. The '035 patent expired on October 1, 2023.

2. Patent Trial and Appeal Board (PTAB) Inter Partes Review (IPR):

  • Petitioner: Microsoft Corporation
  • Patent Owner: X1 Discovery, Inc.
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2025-00253
  • Filing Date: Not explicitly provided in the search results, but the case number indicates a 2025 filing.
  • Outcome or Current Status: Pending - Instituted. This IPR challenges claims 1-20 of US patent 7370035.

Generated 6/19/2026, 12:46:11 AM