Wednesday, July 8, 2026

Patent intelligence · US

US 9877990

Compositions and methods for the treatment of wounds, disorders, and diseases of the skin

granted A61KA61K35/763A61K38/1748A61K38/39
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 12
Applicant portfolio 14
Patent details — US 9877990
Jurisdiction
US
Status
granted
Grant date
Jan 30, 2018
Expiration
Jan 25, 2038
Claims
36
CPC classes
A61K, A61K35/763, A61K38/1748, A61K38/39
View on Google Patents ↗

Quick answer

US 9877990 (Compositions and methods for the treatment of wounds, disorders, and diseases of the skin) is held by Krystal Biotech, Inc.. Status: granted. Granted Jan 30, 2018. Expires Jan 25, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
36
CPC classes
A61K, A61K35/763, A61K38/1748, A61K38/39, A61K47/38, A61K48/005

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Frequently asked questions

What is US patent 9877990?

US 9877990 (Compositions and methods for the treatment of wounds, disorders, and diseases of the skin) is held by Krystal Biotech, Inc.. Status: granted. Granted Jan 30, 2018. Expires Jan 25, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9877990?

Krystal Biotech, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 14 pharmaceutical patents for this assignee.

When does US 9877990 expire?

Our index shows an expiration date of Jan 25, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.