Wednesday, July 8, 2026

Patent intelligence · US

US 6784156

Cyclosporins for the treatment of respiratory diseases

expired A61KA61K38/00A61PA61P11/00
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 218
Patent details — US 6784156
Jurisdiction
US
Status
expired
Grant date
Aug 31, 2004
Expiration
Aug 26, 2024
Claims
8
CPC classes
A61K, A61K38/00, A61P, A61P11/00
View on Google Patents ↗

Quick answer

US 6784156 (Cyclosporins for the treatment of respiratory diseases) is held by Enanta Pharmaceuticals, Inc.. Status: expired. Granted Aug 31, 2004. Expires Aug 26, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K38/00, A61P, A61P11/00, A61P11/02, A61P11/06

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Frequently asked questions

What is US patent 6784156?

US 6784156 (Cyclosporins for the treatment of respiratory diseases) is held by Enanta Pharmaceuticals, Inc.. Status: expired. Granted Aug 31, 2004. Expires Aug 26, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6784156?

Enanta Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 218 pharmaceutical patents for this assignee.

When does US 6784156 expire?

Our index shows an expiration date of Aug 26, 2024 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.