Wednesday, July 8, 2026

Patent intelligence · US

US 8557800

Sphingosine kinase inhibitors

granted A61PA61P1/00A61P1/02A61P1/04
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 7
Applicant portfolio 7
Patent details — US 8557800
Jurisdiction
US
Status
granted
Grant date
Oct 15, 2013
Expiration
Oct 10, 2033
Claims
20
CPC classes
A61P, A61P1/00, A61P1/02, A61P1/04
View on Google Patents ↗

Quick answer

US 8557800 (Sphingosine kinase inhibitors) is held by Apogee Biotechnology Corporation. Status: granted. Granted Oct 15, 2013. Expires Oct 10, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61P, A61P1/00, A61P1/02, A61P1/04, A61P11/00, A61P11/06

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Frequently asked questions

What is US patent 8557800?

US 8557800 (Sphingosine kinase inhibitors) is held by Apogee Biotechnology Corporation. Status: granted. Granted Oct 15, 2013. Expires Oct 10, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8557800?

Apogee Biotechnology Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.

When does US 8557800 expire?

Our index shows an expiration date of Oct 10, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.