Patent 9218414
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Active provider: Google · gemini-2.5-flash
No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.
Cases on file (1)
Group view →Specific litigation cases in our database that name US patent 9218414. The free-form analysis below may also discuss cases beyond this list.
- Semantic Engines LLC v. Microsoft Corpfiled Apr 23, 20262:26-cv-00339Texas Eastern District CourtOpen
Defendants: Microsoft Corp
Other patents asserted: 8239358, 10783192
The lawsuit targets Microsoft’s AI services, Bing Chat and Microsoft Copilot, as well as the underlying Prometheus technology.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
The Google Patents page for US9218414 indicates "Family has litigation" and links to "US case filed in Texas Eastern District Court" and "First worldwide family litigation filed" by Darts-ip.
From the search results, here's the known litigation involving US Patent 9218414:
1. Case filed in Texas Eastern District Court
- Jurisdiction: Texas Eastern District Court
- Case Number: 2:26-cv-00339
- Plaintiff(s): Not explicitly stated in the snippet, but the patent is currently assigned to Semantic Engines LLC.
- Defendant(s): Not explicitly stated in the snippet.
- Filing Date: The Google Patents entry indicates "First worldwide family litigation filed 2008-01-30" which is likely the priority date for a related patent, not necessarily the filing date of this specific case. The snippet for the Texas Eastern District Court case does not provide a filing date.
- Outcome or Current Status: The Google Patents page lists the patent as "Active, expires 2028-04-12" and notes the US case filed in Texas Eastern District Court. The Unified Patents portal also indicates the existence of litigation cases. Without further access to court documents, the precise status or outcome for this specific case is not available in the provided snippets.
2. Worldwide Family Litigation (Darts-ip)
- Jurisdiction: Global (Darts-ip provides access to millions of IP cases from over 3,600 courts worldwide)
- Case Number: Not specified in the Google Patents link or Darts-ip general information.
- Plaintiff(s): Not specified.
- Defendant(s): Not specified.
- Filing Date: The Google Patents entry mentions "First worldwide family litigation filed 2008-01-30" but this refers to the family, not necessarily a specific case for US9218414.
- Outcome or Current Status: Darts-ip offers detailed litigation history, including third-party validity challenges, court documents (complaints, hearings, decisions, settlements), and case summaries. This information requires a subscription to access.
To obtain the full details, including specific plaintiffs, defendants, filing dates, and current status for these cases, access to the Darts-ip database or detailed PACER/CAFC searches would be necessary. The provided search results offer a general indication of litigation for the patent family, but not the specific granular details for each individual case without deeper access.
Generated 5/31/2026, 6:47:33 PM