Wednesday, July 8, 2026

Patent intelligence · US

US 9517276

Compositions and methods for conjugating activatable antibodies

granted A61KA61K2039/505A61K39/3955A61K47/68031
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 62
Patent details — US 9517276
Jurisdiction
US
Status
granted
Grant date
Dec 13, 2016
Expiration
Dec 8, 2036
Claims
31
CPC classes
A61K, A61K2039/505, A61K39/3955, A61K47/68031
View on Google Patents ↗

Quick answer

US 9517276 (Compositions and methods for conjugating activatable antibodies) is held by CytomX Therapeutics, Inc.. Status: granted. Granted Dec 13, 2016. Expires Dec 8, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
31
CPC classes
A61K, A61K2039/505, A61K39/3955, A61K47/68031, A61K47/6851, A61K47/6889

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Frequently asked questions

What is US patent 9517276?

US 9517276 (Compositions and methods for conjugating activatable antibodies) is held by CytomX Therapeutics, Inc.. Status: granted. Granted Dec 13, 2016. Expires Dec 8, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9517276?

CytomX Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 62 pharmaceutical patents for this assignee.

When does US 9517276 expire?

Our index shows an expiration date of Dec 8, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.