Patent 12527771
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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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 (2)
Group view →Specific litigation cases in our database that name US patent 12527771. The free-form analysis below may also discuss cases beyond this list.
- Takeda Pharmaceutical Co Ltd v. Qilu Pharmaceutical (hainan) Co Ltdfiled Apr 17, 20262:26-cv-04121New Jersey District CourtOpen
Defendants: Qilu Pharmaceutical (hainan) Co Ltd
LIVTENCITY is a medication for treating post-transplant CMV infections in patients when other standard drugs have failed.
- 2:26-cv-04939New Jersey District CourtFiled
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
US patent 12527771 is involved in known litigation. The details available from the provided patent information are as follows:
Case 1
- Plaintiff(s): Not specified in the provided text.
- Defendant(s): Not specified in the provided text.
- Jurisdiction: New Jersey District Court
- Case Number: 2:26-cv-04939
- Filing Date: Not explicitly stated in the provided text, but the case number indicates a 2026 filing year.
- Outcome or Current Status: Filed
Case 2
- Plaintiff(s): Not specified in the provided text.
- Defendant(s): Not specified in the provided text.
- Jurisdiction: New Jersey District Court
- Case Number: 2:26-cv-04121
- Filing Date: Not explicitly stated in the provided text, but the case number indicates a 2026 filing year.
- Outcome or Current Status: Filed
Additionally, the patent family for US patent 12527771 is noted to have "First worldwide family litigation filed." Specific details regarding the parties, jurisdiction, case number, or status for this worldwide family litigation as it pertains directly to US12527771 are not provided in the given patent text.
Generated 5/30/2026, 6:45:30 PM