Wednesday, July 8, 2026

Patent intelligence · US

US 8946444

Tetrahydrocarbazoles as active agents for inhibiting VEGF production by translational control

granted A61KA61K31/343A61K31/403A61K31/4035
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 9
Applicant portfolio 149
Patent details — US 8946444
Jurisdiction
US
Status
granted
Grant date
Feb 3, 2015
Expiration
Jan 29, 2035
Claims
12
CPC classes
A61K, A61K31/343, A61K31/403, A61K31/4035
View on Google Patents ↗

Quick answer

US 8946444 (Tetrahydrocarbazoles as active agents for inhibiting VEGF production by translational control) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Feb 3, 2015. Expires Jan 29, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K31/343, A61K31/403, A61K31/4035, A61K31/407, A61K31/4162

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Frequently asked questions

What is US patent 8946444?

US 8946444 (Tetrahydrocarbazoles as active agents for inhibiting VEGF production by translational control) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Feb 3, 2015. Expires Jan 29, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8946444?

PTC THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 149 pharmaceutical patents for this assignee.

When does US 8946444 expire?

Our index shows an expiration date of Jan 29, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.