Wednesday, June 10, 2026

Patent intelligence Β· US

US 2013261160

METHOD OF PREPARATION OF METAXALONE

granted A61K/31421A61P/2100A61P/2524A61P/3102
Status granted
Linked drugs 1
Years to expiry 7
Applicant portfolio 25
Patent details β€” US 2013261160
Jurisdiction
US
Status
granted
Grant date
Oct 3, 2013
Expiration
Sep 28, 2033
CPC classes
A61K/31421, A61P/2100, A61P/2524, A61P/3102
View on Google Patents β†—

Quick answer

US 2013261160 (METHOD OF PREPARATION OF METAXALONE) is held by IACOANGELI TOMMASO [IT]. Status: granted. Granted Oct 3, 2013. Expires Sep 28, 2033 (7 years remaining) β€” relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
β€”
CPC classes
A61K/31421, A61P/2100, A61P/2524, A61P/3102

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Frequently asked questions

What is US patent 2013261160?

US 2013261160 (METHOD OF PREPARATION OF METAXALONE) is held by IACOANGELI TOMMASO [IT]. Status: granted. Granted Oct 3, 2013. Expires Sep 28, 2033 (7 years remaining) β€” relevant for patent-cliff and LOE planning.

Who owns US 2013261160?

IACOANGELI TOMMASO [IT] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does US 2013261160 expire?

Our index shows an expiration date of Sep 28, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.