US 12,162,838 · Application 18/136,016
US Patent 12,162,838 — assignment history and current owner
Human Plasma Kallikrein Inhibitors
Who owns US Patent 12,162,838?
US12162838 ("Human Plasma Kallikrein Inhibitors") — current assignee: BIOCRYST PHARMACEUTICALS, INC.. Status: Active, estimated expiration March 9, 2035. 2 recorded USPTO assignments.
Based on recorded USPTO assignment data, the apparent operating assignee of US Patent 12,162,838 is BIOCRYST PHARMACEUTICALS, INC.. Based on the most recent ownership transfer record (recorded 2024-06-11).
- Patent title
- Human Plasma Kallikrein Inhibitors
- Application number
- 18/136,016
- Apparent operating assignee
- BIOCRYST PHARMACEUTICALS, INC.
- Patent status
- Active, estimated expiration March 9, 2035
- Recorded assignments
- 2
Note: a security interest appears active (WILMINGTON TRUST, NATIONAL ASSOCIATION) with no recorded release. Security interests reflect financing arrangements, not operating ownership.
Recorded assignment history
| Executed | Recorded | Conveyance | Assignor(s) | Assignee(s) | Reel/frame |
|---|---|---|---|---|---|
| Sep 15, 2016 | Jun 11, 2024 | Ownership Transfer | CHINTAREDDY, VENKAT R.; KOTIAN, PRAVIN L.; KUMAR, V. SATISH; WU, MINWAN; ZHANG, WEIHE; BABU, YARLAGADDA S. | BIOCRYST PHARMACEUTICALS, INC. | 67691/485 |
| Jan 23, 2026 | Jan 23, 2026 | Security Interest | BIOCRYST PHARMACEUTICALS, INC. | WILMINGTON TRUST, NATIONAL ASSOCIATION | 74485/651 |
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Chain of title
In 2024, CHINTAREDDY, VENKAT R.; KOTIAN, PRAVIN L. (+4 more) assigned the patent to BIOCRYST PHARMACEUTICALS, INC.. In 2026, WILMINGTON TRUST, NATIONAL ASSOCIATION recorded a security interest; this reflects a financing arrangement, not a change in operating ownership.
Apparent recorded rights summary — disclaimer
This tool presents recorded assignment data from the USPTO assignment database. It does not constitute a legal opinion on ownership or title. Assignments may exist that have not been recorded. Corrective records, off-record transfers, court orders, and other events may affect actual ownership. Consult a qualified patent attorney for definitive title analysis.
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Application 18/136,016 · US 12,162,838
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Data sourced from public USPTO assignment records. This tool provides informational summaries and should not be relied upon as legal advice or a definitive title opinion. Always verify patent ownership independently, especially where unrecorded transfers, court orders, or other off-record events may apply.