Wednesday, July 8, 2026

Patent intelligence · US

US 7585520

Compositions containing both sedative and non-sedative antihistamines and sleep aids

granted A61KA61K31/00A61K45/06A61K9/209
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 3
Applicant portfolio 28
Patent details — US 7585520
Jurisdiction
US
Status
granted
Grant date
Sep 8, 2009
Expiration
Sep 3, 2029
Claims
15
CPC classes
A61K, A61K31/00, A61K45/06, A61K9/209
View on Google Patents ↗

Quick answer

US 7585520 (Compositions containing both sedative and non-sedative antihistamines and sleep aids) is held by Collegium Pharmaceutical, Inc.. Status: granted. Granted Sep 8, 2009. Expires Sep 3, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/00, A61K45/06, A61K9/209, A61K9/5084, A61P

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Frequently asked questions

What is US patent 7585520?

US 7585520 (Compositions containing both sedative and non-sedative antihistamines and sleep aids) is held by Collegium Pharmaceutical, Inc.. Status: granted. Granted Sep 8, 2009. Expires Sep 3, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7585520?

Collegium Pharmaceutical, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 28 pharmaceutical patents for this assignee.

When does US 7585520 expire?

Our index shows an expiration date of Sep 3, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.