Thursday, July 9, 2026

Patent intelligence · US

US 8252767

Substituted 4-{3-[6-amino-9-(3, 4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR a…

granted A61KA61K49/0002A61K49/0004A61P
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 6
Applicant portfolio 7
Patent details — US 8252767
Jurisdiction
US
Status
granted
Grant date
Aug 28, 2012
Expiration
Aug 23, 2032
Claims
25
CPC classes
A61K, A61K49/0002, A61K49/0004, A61P
View on Google Patents ↗

Quick answer

US 8252767 (Substituted 4-{3-[6-amino-9-(3, 4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists) is held by Dogwood Pharmaceuticals, Inc.. Status: granted. Granted Aug 28, 2012. Expires Aug 23, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K49/0002, A61K49/0004, A61P, A61P1/00, A61P1/08

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Frequently asked questions

What is US patent 8252767?

US 8252767 (Substituted 4-{3-[6-amino-9-(3, 4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists) is held by Dogwood Pharmaceuticals, Inc.. Status: granted. Granted Aug 28, 2012. Expires Aug 23, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8252767?

Dogwood Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.

When does US 8252767 expire?

Our index shows an expiration date of Aug 23, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.