Patent 10042116

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.

1 active
  • IPR2025-01566IPRfiled Sep 26, 2025vs. Accelight Technologies, Inc. et al.Trial Instituted

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (2)

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Specific litigation cases in our database that name US patent 10042116. 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

Known litigation involving US patent 10042116 is listed below. The current assignee of US10042116 is Applied Optoelectronics Inc..

  1. PTAB Case IPR2025-00435

  2. PTAB Case IPR2025-01566

    • Plaintiff(s)/Petitioner: Not explicitly identified in search results.
    • Defendant(s)/Patent Owner: Applied Optoelectronics, Inc. (as the patent owner).
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-01566
    • Filing Date: Filed in 2025.
    • Outcome/Current Status: Pending - Instituted.

  3. US Case in Court of Appeals for the Federal Circuit

    • Plaintiff(s): Not explicitly identified in search results.
    • Defendant(s): Not explicitly identified in search results.
    • Jurisdiction: Court of Appeals for the Federal Circuit (CAFC)
    • Case Number: 26-101
    • Filing Date: Not explicitly identified in search results.
    • Outcome/Current Status: Active.

  4. US Case in California Northern District Court (1)

    • Plaintiff(s): Applied Optoelectronics, Inc. (implied as patent owner enforcing the patent).
    • Defendant(s): Not explicitly identified in search results.
    • Jurisdiction: California Northern District Court
    • Case Number: 5:24-cv-01010
    • Filing Date: Not explicitly identified in search results.
    • Outcome/Current Status: Active.

  5. US Case in California Northern District Court (2)

    • Plaintiff(s): Applied Optoelectronics, Inc. (implied as patent owner enforcing the patent).
    • Defendant(s): Not explicitly identified in search results.
    • Jurisdiction: California Northern District Court
    • Case Number: 4:24-cv-09041
    • Filing Date: October 3, 2025.
    • Outcome/Current Status: Active.

  6. US Case in California Northern District Court (3)

    • Plaintiff(s): Applied Optoelectronics, Inc. (implied as patent owner enforcing the patent).
    • Defendant(s): Not explicitly identified in search results.
    • Jurisdiction: California Northern District Court
    • Case Number: 4:23-cv-04787
    • Filing Date: Not explicitly identified in search results.
    • Outcome/Current Status: Settled.

  7. US Case in California Northern District Court (4)

    • Plaintiff(s): Applied Optoelectronics, Inc. (implied as patent owner enforcing the patent).
    • Defendant(s): Not explicitly identified in search results.
    • Jurisdiction: California Northern District Court
    • Case Number: 3:24-cv-09041
    • Filing Date: Not explicitly identified in search results.
    • Outcome/Current Status: Active.

  8. US Case in California Northern District Court (5)

    • Plaintiff(s): Applied Optoelectronics, Inc. (implied as patent owner enforcing the patent).
    • Defendant(s): Implied to be related to "CIG Litigation" (potentially CIG Optics, Inc. or similar).
    • Jurisdiction: California Northern District Court
    • Case Number: 3:24-cv-01010
    • Filing Date: Not explicitly identified in search results.
    • Outcome/Current Status: Active.

Generated 5/24/2026, 12:46:27 PM