Patent 12186474
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.
- PGR2025-00077PGRfiled Sep 3, 2025vs. Terumo BCT, Inc.Discretionary Denial
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Cases on file (2)
Group view →Specific litigation cases in our database that name US patent 12186474. The free-form analysis below may also discuss cases beyond this list.
- Haemonetics Corporation v. Fresenius Kabi USA, LLC et al.filed Jul 25, 20251:25-cv-08680U.S. District Court for the Northern District of Illinoisongoing
Defendants: Fresenius Kabi USA, LLC, Fenwal Inc., and Fresenius Kabi AG
- Haemonetics Corporation v. Terumo BCT, Inc.filed May 5, 20251:25-cv-01409United States District Court for the District of ColoradoOngoing
Defendants: Terumo BCT, Inc.
Other patents asserted: 10980926, 10758652, 10792416, 10980934, 11738124, 12171916, 12324873, 12377204
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
As a patent attorney, I have identified the following litigation involving U.S. Patent No. 12,186,474 based on information available as of April 26, 2026.
District Court Litigation
1. Haemonetics Corporation v. Fresenius Kabi USA, LLC, et al.
- Plaintiff: Haemonetics Corporation
- Defendants: Fresenius Kabi USA, LLC, Fenwal Inc., and Fresenius Kabi AG
- Jurisdiction: U.S. District Court for the Northern District of Illinois
- Case Number: 1:25-cv-08680
- Filing Date: July 25, 2025
- Outcome or Current Status: The case is currently open and ongoing. The complaint alleges that the defendants' Aurora Xi Plasmapheresis System infringes U.S. Patent No. 12,186,474, among other patents related to systems and methods for optimizing plasma collection.
2. Haemonetics Corporation v. Terumo BCT, Inc.
- Plaintiff: Haemonetics Corporation
- Defendant: Terumo BCT, Inc.
- Jurisdiction: U.S. District Court for the District of Colorado
- Case Number: 1:25-cv-01409
- Filing Date: May 5, 2025
- Outcome or Current Status: This case is also ongoing. Haemonetics alleges that Terumo BCT's Rika plasma systems utilize technology that infringes on U.S. Patent No. 12,186,474.
U.S. Patent and Trademark Office (USPTO) Proceedings
In addition to the district court litigations, U.S. Patent No. 12,186,474 has been challenged in a post-grant review (PGR) proceeding before the Patent Trial and Appeal Board (PTAB).
- Case Number: PGR2025-00077
- Petitioner: Terumo BCT, Inc.
- Patent Owner: Haemonetics Corporation
- Status: A petition for post-grant review of U.S. Patent No. 12,186,474 has been filed.
Generated 5/13/2026, 12:20:48 AM