Wednesday, July 8, 2026

Patent intelligence · US

US 7538097

Inhibition of antigen presentation with poorly catabolized polymers

granted A61KA61K31/715A61K31/721A61K39/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 3
Applicant portfolio 70
Patent details — US 7538097
Jurisdiction
US
Status
granted
Grant date
May 26, 2009
Expiration
May 21, 2029
Applicant
HALOZYME, INC.
Claims
9
CPC classes
A61K, A61K31/715, A61K31/721, A61K39/00
View on Google Patents ↗

Quick answer

US 7538097 (Inhibition of antigen presentation with poorly catabolized polymers) is held by HALOZYME, INC.. Status: granted. Granted May 26, 2009. Expires May 21, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
HALOZYME, INC.
Grant date
Expiration
Claims
9
CPC classes
A61K, A61K31/715, A61K31/721, A61K39/00, A61K39/001, A61P

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Frequently asked questions

What is US patent 7538097?

US 7538097 (Inhibition of antigen presentation with poorly catabolized polymers) is held by HALOZYME, INC.. Status: granted. Granted May 26, 2009. Expires May 21, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7538097?

HALOZYME, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 70 pharmaceutical patents for this assignee.

When does US 7538097 expire?

Our index shows an expiration date of May 21, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.