Wednesday, June 10, 2026

Patent intelligence Β· CN

CN 105120840

Composition of tiacumicin compounds

granted A61K 9/ 00 A IA61K 9/ 16 A IA61K 47/ 36 A IA61K 47/ 38 A I
Status granted
Pipeline programs 1
Years to expiry 9
Applicant portfolio 10
Patent details β€” CN 105120840
Jurisdiction
CN
Status
granted
Grant date
Dec 2, 2015
Expiration
Nov 27, 2035
CPC classes
A61K 9/ 00 A I, A61K 9/ 16 A I, A61K 47/ 36 A I, A61K 47/ 38 A I
View on Google Patents β†—

Quick answer

CN 105120840 (Composition of tiacumicin compounds) is held by ASTELLAS PHARMA EUROP B V. Status: granted. Granted Dec 2, 2015. Expires Nov 27, 2035 (9 years remaining) β€” relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
β€”
CPC classes
A61K 9/ 00 A I, A61K 9/ 16 A I, A61K 47/ 36 A I, A61K 47/ 38 A I, A61K/317034, A61K/317048

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Frequently asked questions

What is US patent 105120840?

CN 105120840 (Composition of tiacumicin compounds) is held by ASTELLAS PHARMA EUROP B V. Status: granted. Granted Dec 2, 2015. Expires Nov 27, 2035 (9 years remaining) β€” relevant for patent-cliff and LOE planning.

Who owns CN 105120840?

ASTELLAS PHARMA EUROP B V is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 10 pharmaceutical patents for this assignee.

When does CN 105120840 expire?

Our index shows an expiration date of Nov 27, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.