US Patent

US8815258 — Compositions, methods and systems for respiratory delivery of two or more active agents

Method of Use · Assigned to Pearl Therapeutics Inc · Expires 2031-03-17 · 5y remaining

Vulnerability score 68/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects methods and systems for delivering two or more active agents through a metered dose inhaler for pulmonary or nasal use.

USPTO Abstract

Compositions, methods and systems are provided for pulmonary or nasal delivery of two or more active agents via a metered dose inhaler. In one embodiment, the compositions include a suspension medium, active agent particles, and suspending particles, in which the active agent particles and suspending particles form a co-suspension within the suspension medium.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-2889 — Pulmicort Respules
U-2889 —

Patent Metadata

Patent number
US8815258
Jurisdiction
US
Classification
Method of Use
Expires
2031-03-17
Drug substance claim
No
Drug product claim
No
Assignee
Pearl Therapeutics Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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