Patent 9933866

Litigation summary

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

Active provider: Google · gemini-2.5-flash

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.

  • IPR2025-01495IPRfiled Aug 29, 2025vs. SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD.Discretionary Denial

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

Cases on file (2)

Group view →

Specific litigation cases in our database that name US patent 9933866. 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

Here is a list of known litigation involving US patent 9933866 as of April 26, 2026:

1. District Court Litigation

  • Plaintiff(s): Wacom Co. Ltd.
  • Defendant(s): Shenzhen Qianfenyi Intelligent Technology Co. Ltd. (also referred to as Cirel Systems Private Limited and "Maxeye")
  • Jurisdiction: United States District Court for the Eastern District of Texas, Marshall Division
  • Case Number: 2:24-cv-00702-JRG
  • Filing Date: 2024 (implied by case number 2:24-cv-00702 and documents filed in February 2025 and 2026 referencing it as pending)
  • Outcome/Current Status: Pending

2. Patent Trial and Appeal Board (PTAB) Litigation

Generated 5/23/2026, 6:47:57 AM