Patent 7840427

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
  • IPR2026-00305IPRfiled Mar 12, 2026vs. Uber Technologies, Inc. et al.Pending

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 7840427. 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

US Patent 7840427, titled "Shared transport system and service network," has been involved in the following litigation:

1. PTAB Case IPR2026-00305

  • Plaintiff(s): Unified Patents
  • Defendant(s): Carma Technology Ltd (current assignee)
  • Jurisdiction: Patent Trial and Appeal Board (PTAB)
  • Case Number: IPR2026-00305
  • Filing Date: Not explicitly stated, but the case is noted as "filed" and "Pending" in 2026.
  • Outcome or Current Status: Pending

2. US Case filed in Texas Eastern District Court

  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Jurisdiction: Texas Eastern District Court
  • Case Number: 2:25-cv-00029
  • Filing Date: Not explicitly stated in the provided snippet, but the case number indicates it was filed in 2025.
  • Outcome or Current Status: Litigation

3. First worldwide family litigation filed

  • Plaintiff(s): Not explicitly stated in the provided snippet.
  • Defendant(s): Not explicitly stated in the provided snippet.
  • Jurisdiction: Not explicitly stated, but "worldwide family litigation" suggests multiple jurisdictions.
  • Case Number: Not explicitly stated.
  • Filing Date: Not explicitly stated.
  • Outcome or Current Status: Litigation

It is important to note that Carma Technology Ltd. is the current assignee of US7840427B2.

Generated 5/29/2026, 5:43:49 PM