Patent 9977519
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.
- IPR2025-01533IPRfiled Sep 10, 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 (0)
Specific litigation cases in our database that name US patent 9977519. The free-form analysis below may also discuss cases beyond this list.
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Based on the current search, no specific litigation involving US patent 9977519 has been identified. While general patent litigation databases like Unified Patents and information regarding CAFC and PACER were consulted, no cases directly listing this patent number were found in the provided search results.
Generated 5/24/2026, 12:46:35 AM