Patent 12083103
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 (3)
Group view →Specific litigation cases in our database that name US patent 12083103. The free-form analysis below may also discuss cases beyond this list.
- Veloxis Pharmaceuticals AS v. Zydus Cadila et al.filed Apr 23, 20261:26-cv-00467Delaware District CourtOpen
Defendants: Zydus Cadila and Zydus Lifesciences Ltd
Other patents asserted: 11419823, 10864199, 8685998, 8664239, 11123331, 12403095, 10166190, 11110081, 9549918
The accused products are the 0.75 mg, 1 mg, and 4 mg extended-release tacrolimus tablets sold under the brand name ENVARSUS XR.
- Veloxis Pharmaceuticals, Inc. v. Alkem Laboratories Ltd.filed Jul 3, 20241:24-cv-00784U.S. District Court for the District of Delawareactive
Defendants: Alkem Laboratories Ltd.
- Veloxis Pharmaceuticals, Inc. v. Sun Pharmaceutical Industries Ltd.filed Jun 19, 20241:24-cv-00726U.S. District Court for the District of Delawareactive
Defendants: Sun Pharmaceutical Industries Ltd.
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known Litigation for US Patent 12,083,103
As of May 8, 2026, US patent 12,083,103 is involved in litigation, primarily related to Abbreviated New Drug Application (ANDA) filings under the Hatch-Waxman Act. The patent holder, Veloxis Pharmaceuticals Inc., has initiated infringement proceedings against several generic drug manufacturers.
The following cases have been identified, all within the U.S. District Court for the District of Delaware, a common venue for patent litigation.
Case 1
- Plaintiff: Veloxis Pharmaceuticals, Inc.
- Defendants: Sun Pharmaceutical Industries Ltd. et al
- Jurisdiction: U.S. District Court for the District of Delaware
- Case Number: 1:24-cv-00726
- Filing Date: June 19, 2024.
- Status/Outcome: This case is currently active. Given the filing date, proceedings are likely in the discovery phase.
Case 2
- Plaintiff: Veloxis Pharmaceuticals, Inc.
- Defendant: Alkem Laboratories Ltd.
- Jurisdiction: U.S. District Court for the District of Delaware
- Case Number: 1:24-cv-00784
- Filing Date: July 3, 2024.
- Status/Outcome: This case is currently active. Proceedings are in the early stages.
Case 3
- Plaintiff: Veloxis Pharmaceuticals, Inc.
- Defendant: Zydus Pharmaceuticals (USA) Inc. et al
- Jurisdiction: U.S. District Court for the District of Delaware
- Case Number: 1:26-cv-00467.
- Filing Date: April 23, 2026.
- Status/Outcome: This is a very recent filing. The case is active and in its initial phase.
Disclaimer: The information is based on publicly available litigation data which is subject to change. The patent text itself, retrieved on May 1, 2026, lists case numbers that directly correspond to this litigation activity.
Generated 5/8/2026, 1:33:46 AM