Changeflow GovPing Pharma & Drug Safety Thrombolytic Therapy Patent - Sequential tPA an...
Routine Notice Added Final

Thrombolytic Therapy Patent - Sequential tPA and Pro-urokinase Administration

Favicon for changeflow.com ChangeBridge: Patent Grants - Biotech (C12N)
Published March 31st, 2026
Detected March 31st, 2026
Email

Summary

USPTO granted Patent US12590301B2 to Thrombolytic Science, LLC covering methods for safe and effective thrombolysis using sequential administration of low-dose tissue plasminogen activator (tPA) followed by mutant pro-urokinase infusion for treating stroke or acute myocardial infarction. The patent contains 16 claims and names Victor Gurewich as inventor.

What changed

USPTO issued Patent US12590301B2 to Thrombolytic Science, LLC for methods of thrombolytic therapy combining sequential administration of human tPA and mutant human pro-urokinase. The 16 claims cover therapeutic applications for human subjects presenting symptoms of potential stroke or acute myocardial infarction. The patent was filed on December 30, 2021, as Application No. 17566077.

Pharmaceutical companies developing thrombolytic therapies should review this patent to assess freedom-to-operate for competing treatments. Healthcare providers and clinical investigators conducting related research should verify that their activities do not infringe on the claimed methods. The patent provides intellectual property protection but does not impose regulatory compliance obligations.

Source document (simplified)

← USPTO Patent Grants

Methods for safe and effective thrombolysis using sequential administration of tissue plasminogen activator and mutant pro-urokinase

Grant US12590301B2 Kind: B2 Mar 31, 2026

Assignee

Thrombolytic Science, LLC

Inventors

Victor Gurewich

Abstract

Provided herein are methods for safe and effective thrombolysis in therapy for human subjects with symptoms of a potential stroke or acute myocardial infarction (“AMI”) using a sequential administration of a low dose bolus of human tissue plasminogen activator (“tPA”) followed by an infusion of a mutant form of human pro-urokinase (“proUK”).

CPC Classifications

C12N 9/6462 C12N 9/6459

Filing Date

2021-12-30

Application No.

17566077

Claims

16

View original document →

Named provisions

Methods for safe and effective thrombolysis Sequential administration of tPA and proUK Treatment of stroke symptoms Treatment of acute myocardial infarction

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
USPTO
Published
March 31st, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US12590301B2

Who this affects

Applies to
Pharmaceutical companies Healthcare providers Clinical investigators
Industry sector
3254.1 Biotechnology
Activity scope
Biopharmaceutical R&D Medical Treatment Methods Thrombolytic Therapy Development
Geographic scope
United States US

Taxonomy

Primary area
Healthcare
Operational domain
Legal
Topics
Intellectual Property Pharmaceuticals

Get Pharma & Drug Safety alerts

Weekly digest. AI-summarized, no noise.

Free. Unsubscribe anytime.

Get alerts for this source

We'll email you when ChangeBridge: Patent Grants - Biotech (C12N) publishes new changes.

Optional. Personalizes your daily digest.

Free. Unsubscribe anytime.