Macroporous solid hard microneedles with embedded particulate drugs

ChangeBridge: Patent Grants - Medical Devices (A61M)

Published March 31st, 2026

Detected March 31st, 2026

Summary

USPTO granted patent US12589229B2 to Trustees of Tufts College for macroporous solid hard microneedles with embedded particulate drugs for transdermal drug delivery. The patent covers microneedle compositions containing drugs in particulate form within pores, and methods of making and using such microneedles. The patent contains 24 claims.

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What changed

The USPTO issued patent grant US12589229B2 to Trustees of Tufts College on March 31, 2026. The patent covers macroporous solid hard microneedles with embedded particulate drugs for transdermal drug delivery. Inventors include Sameer Sonkusale, Aydin Sadeqi, Hojatollah Rezaei Nejad, Jake Lombardo, and Konstantinos Tzortzakis. The patent was filed as application No. 18507889 and contains 24 claims.

This is a routine patent grant notice with no compliance obligations or required actions. Entities in the medical device and pharmaceutical industries should review the patent claims to assess potential freedom-to-operate implications for their microneedle or transdermal drug delivery products. No action is required for general compliance purposes.

Source document (simplified)

← USPTO Patent Grants

Macroporous solid hard microneedles with embedded particulate drugs

Grant US12589229B2 Kind: B2 Mar 31, 2026

Assignee

Trustees of Tufts College

Inventors

Sameer Sonkusale, Aydin Sadeqi, Hojatollah Rezaei Nejad, Jake Lombardo, Konstantinos Tzortzakis

Abstract

The present disclosure provides microneedles and microneedle patches for transdermal drug delivery and methods of making and using the same. The microneedles are porous and contain a drug in particulate form within the pores.