Wednesday, June 10, 2026

Patent intelligence · US

US 2015158906

Method of Purifying Therapeutic Proteins

granted A61K 38/ 36 A IA61K/3836A61K/38363A61K/3837
Status granted
Pipeline programs 6
Years to expiry 9
Applicant portfolio 25
Patent details — US 2015158906
Jurisdiction
US
Status
granted
Grant date
Jun 11, 2015
Expiration
Jun 6, 2035
Applicant
CSL LTD [AU]
CPC classes
A61K 38/ 36 A I, A61K/3836, A61K/38363, A61K/3837
View on Google Patents ↗

Quick answer

US 2015158906 (Method of Purifying Therapeutic Proteins) is held by CSL LTD [AU]. Status: granted. Granted Jun 11, 2015. Expires Jun 6, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
CSL LTD [AU]
Grant date
Expiration
Claims
CPC classes
A61K 38/ 36 A I, A61K/3836, A61K/38363, A61K/3837, A61P/704

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Frequently asked questions

What is US patent 2015158906?

US 2015158906 (Method of Purifying Therapeutic Proteins) is held by CSL LTD [AU]. Status: granted. Granted Jun 11, 2015. Expires Jun 6, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 2015158906?

CSL LTD [AU] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does US 2015158906 expire?

Our index shows an expiration date of Jun 6, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.