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USPTO Patent Granted for Gastric Residence Dosage Form Coatings

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Published March 24th, 2026
Detected March 25th, 2026
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Summary

The USPTO has granted a patent (US12582608B2) to Nortiva Bio, Inc. for coatings designed for gastric residence dosage forms. The patent covers formulations comprising water, a plasticizer, a gelling agent, and/or a polymer.

What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12582608B2 to Nortiva Bio, Inc. The patent, titled "Coatings for gastric residence dosage forms," describes enrobed gastric residence dosage forms that include a gastric residence system in a folded configuration and a coating. The coating is composed of water, a plasticizer, a gelling agent, and/or a polymer. This patent is related to the development of novel drug delivery systems designed to release medication in the stomach.

This is a patent grant, which is a form of intellectual property protection rather than a regulatory mandate. It does not impose new compliance obligations on regulated entities. However, it signifies innovation in pharmaceutical formulation and may influence future product development strategies for companies operating in the drug manufacturing and pharmaceutical sectors. Compliance officers should note this as a development in the industry landscape.

Source document (simplified)

← USPTO Patent Grants

Coatings for gastric residence dosage forms

Grant US12582608B2 Kind: B2 Mar 24, 2026

Assignee

NORTIVA BIO, INC.

Inventors

Rosemary Kanasty, Tyler Grant, Erick Peeke, Nupura Bhise, David Altreuter, Sonia Holar, Marlene Schwarz

Abstract

Provided are enrobed gastric residence dosage forms comprising: a gastric residence system in a folded configuration; and a coating enrobing the gastric residence system in the folded configuration, wherein the enrobed gastric residence dosage form is configured to release the gastric residence system in the folded configuration in a stomach of a patient, allowing the gastric residence system to assume an open configuration. The coating comprises water, a plasticizer, a gelling agent, and/or a polymer.

CPC Classifications

A61K 9/4891 A61K 9/4833 A61K 9/485 A61K 9/4858 A61K 9/4866 A61K 45/06

Filing Date

2020-03-19

Application No.

17593437

Claims

18

View original document →

Named provisions

Coatings for gastric residence dosage forms

Source

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

Classification

Agency
USPTO
Published
March 24th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US12582608B2

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies Medical device makers
Industry sector
3254 Pharmaceutical Manufacturing 3345 Medical Device Manufacturing
Activity scope
Drug Formulation Product Development
Geographic scope
United States US

Taxonomy

Primary area
Healthcare
Operational domain
Product Development
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Pharmaceuticals Medical Devices

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